Using the given exchange rate, $10,000 will give 1 Bitcoin if rounded to whole number. Therefore the correct answer is Option (A).
Understanding Bitcoin ConversionTo convert $10,000 to Japanese yen, we can multiply by the exchange rate:
Given the exchange rates:
1 US Dollar ($1) = 107.35 Japanese Yen
1 Bitcoin (BTC) = 1,086,300 Japanese Yen
First convert the US Dollar to Japanese Yen
10,000 * 107.35 = 1,073,500 yen
Now let us convert the Japanese Yen to Bitcoin (BTC)
1,086,300 Japanese Yen = 1 Bitcoin (BTC)
1,073,500 Japanese Yen = x Bitcoin
Do a cross multiplication and you will get
1,086,300x = 1,073,500
Divide both sides by 1086300
x = 1,073,500 / 1,086,300
x = 0.98821688 Bitcoin
To the nearest whole Bitcoin
x = 1 Bitcoin
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A regular hexagon and a regular octagon are both inscribed in the same circle. which of these statements is true?
o
the perimeter of the hexagon is less than the perimeter of the octagon, and each perimeter is less than the
circumference of the circle.
the perimeter of the hexagon is greater than the perimeter of the octagon, and each perimeter is greater than the
o
circumference of the circle.
If regular hexagon, regular octagon are inscribed in circle, perimeter of hexagon is greater than perimeter of octagon, each perimeter is greater than circumference of circle. Therefore, statement B is true.
The perimeter of a polygon is the sum of the lengths of all its sides. In a regular polygon, all sides have equal length, so the perimeter is simply the number of sides multiplied by the length of one side. The circumference of a circle is the distance around its outer edge.
Since both polygons are inscribed in the same circle, they have the same circumcircle, which means that their perimeters are both less than the circumference of the circle.
To compare the perimeters of the two polygons, we need to know the number of sides of each polygon and the length of one side. A regular hexagon has six sides, and a regular octagon has eight sides. Since the circle is inscribed in both polygons, the sides of each polygon are tangents to the circle, forming right angles with the radii of the circle.
Thus, we can draw a right triangle with the radius of the circle as the hypotenuse, and the side of the hexagon (or octagon) as one leg. Using trigonometry, we can find the length of one side of the hexagon (or octagon) in terms of the radius of the circle.
After calculating the lengths of one side of each polygon, we can compare their perimeters. It turns out that the perimeter of the octagon is greater than the perimeter of the hexagon, since the octagon has more sides.
Therefore, statement B is true.
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Complete question is:
A regular hexagon and a regular octagon are both inscribed in the same circle. which of these statements is true?
A) the perimeter of the hexagon is less than the perimeter of the octagon, and each perimeter is less than the circumference of the circle.
B) the perimeter of the hexagon is greater than the perimeter of the octagon, and each perimeter is greater than the circumference of the circle.
Which of the following groups listed below is a subset of the whole numbers?
Rational Numbers
Real Numbers
Natural Numbers
Irrational Numbers
Integers
The group of natural numbers is a subset of the whole numbers.
What is Whole number ?
Whole numbers are a set of numbers that includes all positive integers (1, 2, 3, ...) and zero (0). They do not include negative numbers or fractions. Whole numbers are often used to count objects or represent quantities that cannot be divided into smaller parts.
Out of the given options, the group of natural numbers is the only one that is a subset of whole numbers. The other options - Rational numbers, Real numbers, Irrational numbers, and Integers - are not subsets of the whole numbers.
Rational numbers include fractions and decimal numbers, which can be expressed as a ratio of two integers, including non-whole numbers.
Real numbers include all rational and irrational numbers, including non-whole numbers. Irrational numbers are non-repeating, non-terminating decimals that cannot be expressed as a fraction. Integers include both positive and negative whole numbers, as well as zero.
The subset of whole numbers is called natural numbers.
Therefore, the group of natural numbers is a subset of the whole numbers.
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100-3(4.25)-13-4(2.99) SOMEONE PLSS HELP MEE THIS IS DIE TMRW!!
Answer:
62.29
Step-by-step explanation:
100 - 3(4.25) - 13 - 4(2.99)
= 100 - 12.75 - 13 - 11.96
= 62.29
explanation in the picture
the answer is
62,29
In ΔWXY, x = 4.7 cm, y = 7.9 cm and ∠W=162°. Find the area of ΔWXY, to the nearest 10th of a square centimeter
The area of the triangle ∆WXY is derived to be 5.7 to the nearest tenth.
How to evaluate for the area of the triangleWhen two side length of a triangle and the angle between them is given, the area is half the multiplication of the two sides and the sine of the angle.
Area of the triangle = 1/2 × 4.7 × sin162
Area of the triangle = 11.4738/2
Area of the triangle = 5.7369.
Therefore, the area of the triangle ∆WXY is derived to be 5.7 to the nearest tenth.
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Given the function g(a) = 6x^3 - 9x^2 - 36x, find the first derivative, g'(x).
The first derivative of g(a) is [tex]g'(x) = 18x^2 - 18x - 36.[/tex]
To find the first derivative of g(a), we need to use the power rule and the constant multiple rule.
First, we use the power rule to take the derivative of each term:
[tex]- The derivative of 6x^3 is 18x^2
- The derivative of -9x^2 is -18x
- The derivative of -36x is -36[/tex]
Next, we use the constant multiple rule to combine these derivatives:
g'(a) = 18x^2 - 18x - 36
Therefore, the first derivative of g(a) is [tex]g'(x) = 18x^2 - 18x - 36.[/tex]
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How far is the aircraft from station P? An aircraft is picked up by radar station P and Radar Q which are 120 miles apart
We have found the altitude of the aircraft, we can determine its distance from station P, which is simply the value of d1
What is the distance of an aircraft from radar station?
We can use the concept of triangulation to find the distance of the aircraft from station P. Let's assume that the aircraft is at point A, and let d1 and d2 be the distances of the aircraft from stations P and Q, respectively. Then we have:
[tex]d1^2 + h^2 = r1^2 ------ (1)\\d2^2 + h^2 = r2^2 ------ (2)[/tex]
where h is the altitude of the aircraft, r1 and r2 are the distances from the aircraft to stations P and Q, respectively. We want to find d1, which is the distance of the aircraft from station P.
We know that the distance between the two radar stations is 120 miles, so we have:
[tex]r2 = r1 + 120 (3)[/tex]
Subtracting equation (1) from equation (2), we get:
[tex]d2^2 - d1^2 = r2^2 - r1^2\\d2^2 - d1^2 = (r1+120)^2 - r1^2\\d2^2 - d1^2 = 120*240 + 120^2\\d2^2 - d1^2 = 40800[/tex]
Adding equations (1) and (3), we get:
[tex]2h^2 + 2*r1*120 = r1^2 + (r1+120)^2\\2h^2 + 2*r1*120 = 2*r1^2 + 120^2\\2h^2 = 4*r1^2 - 2*r1*120 + 120^2\\h^2 = 2*r1^2 - r1*120 + 120^2 / 2\\h^2 = r1^2 - r1*60 + 120^2 / 4[/tex]
Substituting h^2 into equation (1), we get:
[tex]d1^2 + (r1^2 - r1*60 + 120^2 / 4) = r1^2\\d1^2 = r1*60 - 120^2 / 4\\d1^2 = 15*r1^2 - 18000[/tex]
Substituting d2^2 - d1^2 from the previous calculation, we get:
[tex]d2^2 - (15*r1^2 - 18000) = 40800\\d2^2 = 15*r1^2 + 58800[/tex]
Now we have two equations with two unknowns (d1 and r1). Solving for r1 in equation (4) and substituting into equation (5), we get:
[tex]d2^2 = 15*(d1^2 + 120*d1) + 58800\\d2^2 = 15*d1^2 + 1800*d1 + 58800\\15*d1^2 + 1800*d1 + 58800 - d2^2 = 0[/tex]
This is a quadratic equation in d1, which can be solved using the quadratic formula:
[tex]d1 = (-b \± sqrt(b^2 - 4ac)) / 2[/tex]
where a = 15, b = 1800, and c = 58800 - d2^2. Note that we should take the positive root, since d1 is a distance and therefore cannot be negative.
Once we have found d1, we can use equation (1) to find h, the altitude of the aircraft, as:
[tex]h = sqrt(r1^2 - d1^2)[/tex]
Finally, the distance of the aircraft from station P is simply d1.
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WILL GIVE BRAINLY AND 100PTS DUE IN A COUPLE HOURS BIG PROBLEM BUT PLS HELP MEAN THE WORLD.
Project Option 1—Individually
Sal's Sandwich Shop sells wraps and sandwiches as part of its lunch specials. The profit on every sandwich is $2, and the profit on every wrap is $3. Sal made a profit of $1,470 from lunch specials last month. The equation 2x + 3y = 1,470 represents Sal's profits last month, where x is the number of sandwich lunch specials sold and y is the number of wrap lunch specials sold.
Change the equation to slope-intercept form. Identify the slope and y-intercept of the equation. Be sure to show all your work.
Describe how you would graph this line using the slope-intercept method. Be sure to write using complete sentences.
Write the equation in function notation. Explain what the graph of the function represents. Be sure to use complete sentences.
Graph the function. On the graph, make sure to label the intercepts. You may graph your equation by hand on a piece of paper and scan your work or you may use graphing technology.
Suppose Sal's total profit on lunch specials for the next month is $1,593. The profit amounts are the same: $2 for each sandwich and $3 for each wrap. In a paragraph of at least three complete sentences, explain how the graphs of the functions for the two months are similar and how they are different.
02.03 Key Features of Linear Functions—Option 1 Rubric
Requirements Possible Points Student Points
Student changes equation to slope-intercept form. Student shows all work and identifies the slope and y-intercept of the equation. 4
Student writes a description, which is clear, precise, and correct, of how to graph the line using the slope-intercept method. 4
Student changes equation to function notation. Student explains clearly what the graph of the equation represents. 4
Student graphs the equation and labels the intercepts correctly. 4
Student writes at least three sentences explaining how the graphs of the two equations are the same and how they are different. 4
Note that where the above function is given, the equation in function notation is f(x) = (-2/3)x + 490. This function represents the profit Sal makes from lunch specials based on the number of sandwich and wrap lunch specials sold. See the graph attached.
What is the explanation for the above response?To change the given equation to slope-intercept form, we need to solve for y.
2x + 3y = 1470
3y = -2x + 1470
y = (-2/3)x + 490
Therefore, the slope of the line is -2/3 and the y-intercept is 490.
To graph this line using the slope-intercept method, we can plot the y-intercept first, which is (0, 490). Then, using the slope of -2/3, we can find another point by moving 2 units to the right and 3 units down from the first point. We can continue this pattern to plot additional points and then draw a straight line through them.
The equation in function notation is f(x) = (-2/3)x + 490. This function represents the profit Sal makes from lunch specials based on the number of sandwich and wrap lunch specials sold.
To graph the function, we can plot the intercepts (0, 490) and (735, 0), where 735 is the x-intercept. Then, using the slope of -2/3, we can find other points and draw a straight line through them.
If Sal's total profit on lunch specials for the next month is $1,593, then the equation would be 2x + 3y = 1593. The graphs of the functions for both months would have the same slope of -2/3, indicating that the profit per lunch special sold remains constant.
However, the y-intercept would be different, indicating a different starting profit for the month. The graphs would have different intercepts and intersect the y-axis at different points, reflecting the difference in starting profits.
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81% of the money spent at full-service restaurants in America takes place by debit, credit, or pre-paid cards. One restaurant kept data for the week, and found that 421 of it's 973 customers used either debit, credit, or pre-paid cards to pay for their meal that week. Choose all possible reasons for the discrepancy in the results.
Choices:
1. The theoretocal probability is not calculated correctly
2. The experiment is flawed
3. Enough trials have not been performed to give the desired result.
4. There is no discrepancy in the result
choose all answers that apply.
The discrepancy in the results: The theoretical probability may not be calculated correctly and enough trials have not been performed to give the desired result
In the given scenario, 81% of money spent at full-service restaurants in America is through debit, credit, or pre-paid cards. However, one restaurant found that 421 out of 973 customers used these payment methods. Possible reasons for the discrepancy in the results are:
1. The theoretical probability may not be calculated correctly: The 81% figure might not accurately represent the actual proportion of customers using cards in full-service restaurants. It could be due to incorrect data collection or interpretation.
3. Enough trials have not been performed to give the desired result: The data from one restaurant for one week might not be enough to accurately reflect the overall trend. A larger sample size and longer time frame would give a more accurate representation.
It's important to note that there might not necessarily be a discrepancy in the result; it could be a difference due to variations in individual restaurant data compared to the overall average.
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The pretax financial income (or loss) figures for Metlock Company are as follows. 2017
77,000 2018
(38,000 )
2019
(33,000 )
2020
122,000 2021
90,000 Pretax financial income (or loss) and taxable income (loss) were the same for all years involved. Assume a 25% tax rate for 2017 and a 20% tax rate for the remaining years
When the pretax financial income is negative (indicating a loss), the taxable income will also be negative. This means that the company can use the loss to offset future profits and reduce its tax liability.
To calculate the taxable income (loss) for each year, we need to apply the corresponding tax rate to the pretax financial income (or loss) figures. Here's the breakdown:
2017:
Taxable income = Pretax financial income * Tax rate
Taxable income = $77,000 * 0.25
Taxable income = $19,250
2018:
Taxable income = Pretax financial income * Tax rate
Taxable income = ($38,000) * 0.20
Taxable income = ($7,600)
2019:
Taxable income = Pretax financial income * Tax rate
Taxable income = ($33,000) * 0.20
Taxable income = ($6,600)
2020:
Taxable income = Pretax financial income * Tax rate
Taxable income = $122,000 * 0.20
Taxable income = $24,400
2021:
Taxable income = Pretax financial income * Tax rate
Taxable income = $90,000 * 0.20
Taxable income = $18,000
Please note that when the pretax financial income is negative (indicating a loss), the taxable income will also be negative. This means that the company can use the loss to offset future profits and reduce its tax liability.
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The total profit P(x) (in thousands of dollars) from a sale of x thousand units of a new product is given by P(x) = In ( - x3 + 9x2 +21x + 1) (0 sxs 10). a) Find the number of units that should be sold in order to maximize the total profit. b) What is the maximum profit? a) The number of units that should be sold in order to maximize the total profit is (Simplify your answer.) b) The maximum profit is approximately $. (Do not round until the final answer. Then round to the nearest dollar as needed.)
Final Answer: a. The number of units that should be sold in order to maximize the profit is 7 thousand units.
b. The maximum profit is approximately $5.51
Conceptual part: a. In order to find maximum profit we need to differentiate the profit function
so, p(x)= [tex]ln(-x^3+9x^2+21x+1)[/tex][tex]dp/dx = (-3x^2+18x+21)/-x^3+9x^2+21x+1[/tex] = 0
[tex]-3x^2+18x+21=0[/tex]
[tex](x-7) (x+1) = 0[/tex]
as profit can't be negative.
hence x=7.
b. We can determine the maximum profit by substituting x=7 in profit function.
[tex]p(7) = ln(-7^3+9*7+21*7+1)[/tex]
[tex]p(7) = ln(246)[/tex]
p(7) = 5.51
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Find the inflection points and the intervals in which the function f(x) = x^4 - 4x^3 is concave up and concave down.
the inflection points are x = 0 and x = 2, and the intervals of concavity are (-∞, 0) and (2, ∞) for concave down, and (0, 2) for concave up.
To find the inflection points and intervals of concavity of the function f(x) = x^4 - 4x^3, we need to find its second derivative.
f'(x) = 4x^3 - 12x^2
f''(x) = 12x^2 - 24x
The inflection points occur where f''(x) = 0 or is undefined. Therefore, we set 12x^2 - 24x = 0 and solve for x.
12x(x - 2) = 0
x = 0 or x = 2
These are the two possible inflection points.
To determine the intervals of concavity, we need to look at the sign of the second derivative in each interval. We can use test points to determine the sign.
Test point x = 1:
f''(1) = 12 - 24 = -12, so the function is concave down on the interval (-∞, 0) and concave up on the interval (0, ∞).
Test point x = 3:
f''(3) = 108 - 72 = 36, so the function is concave up on the interval (2, ∞) and concave down on the interval (-∞, 2).
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The number 1 through 8 are written in separate slips of paper, and the slips are placed into a box. Then,4 of these slips are drawn at random. What is the probability that the drawn slips are 1,2,3 and 4 in that order?
Can you explain the steps to take on TI-84 calculator?
1/70 is the probability of having slips numbered 1, 2, 3, and 4 drawn in order from the box.
To calculate the probability of drawing slips numbered 1, 2, 3, and 4 in order from a box containing slips numbered 1 through 8, we need to first find out the total number of possible outcomes when drawing four slips without replacement from the box.
The number of ways to draw 4 slips from a set of 8 slips without replacement is given by the combination formula:
= 8!/4!(8-4)! = 70
This means there are 70 possible outcomes when drawing four slips from the box.
To calculate the probability of drawing slips 1, 2, 3, and 4 in that order, we need to consider that there is only one way to draw the slips in that specific order, out of the 70 possible outcomes.
Therefore, the probability of drawing slips 1, 2, 3, and 4 in order is:
P(1,2,3,4 in order) = number of favorable outcomes/total number of possible outcomes = 1/70
So the probability of drawing slips numbered 1, 2, 3, and 4 in order from the box is 1/70.
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What is the approximate area of the figure?
20 square meters
40 square meters
80 square meters
100 square meters
The approximate area of the figure is 40 square meters. So, the correct answer is B).
Recall the formula for the area of a kite, which is
Area = (1/2) x Base x Height
where "Base" is the length of one of the diagonals and "Height" is the length of the other diagonal.
Identify the base and height of the given kite from the problem statement. Here, it is given that the height is 10 meters and the base is 8 meters.
Substitute the values of the base and height into the formula for the area of a kite
Area = (1/2) x 8 meters x 10 meters
Simplify the expression by multiplying the base and height together and dividing by 2
Area = 40 square meters
Round the answer to the nearest whole number or keep the answer as a decimal, depending on the instructions of the problem.
Therefore, the approximate area of the given kite is 40 square meters. So, the correct answer is B).
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A model rocket is show from ground level. The height h(t) in meters of the rocket t seconds
after lift-off is given by the equation h(t) - 160t - 16t?| What is the height of the rocket
after 2. 5 seconds?
To find the height of the rocket after 2.5 seconds,
you'll need to plug in t = 2.5 into the given equation h(t) = 160t - 16t².
h(2.5) = 160(2.5) - 16(2.5)²
h(2.5) = 400 - 100
h(2.5) = 300 meters
The height of the rocket after 2.5 seconds is 300 meters.
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Tell whether the given value is the solution of the inequality
The solution to the inequality given is false.
Why is the solution false ?To determine whether x = 5 is a solution of the inequality x + 3 > 12, we substitute x = 5 into the inequality and see if the resulting statement is true or false:
5 + 3 > 12
8 > 12
In this case, when we substitute x = 5 into the inequality, we get the statement 5 + 3 > 12, which simplifies to 8 > 12. This statement is false, since 8 is not greater than 12. Therefore, x = 5 is not a solution of the inequality x + 3 > 12.
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The full question is:
Tell whether the given value is a solution of the inequality X + 3 > 12; x = 5
The fifth and tenth terms of an arithmetic sequence,
respectively, are -2 and 53. What is the seventh
term of the sequence?
If the fifth and tenth terms of an arithmetic sequence, respectively, are -2 and 53, the seventh term of the arithmetic sequence is 20.
To find the seventh term of the arithmetic sequence, we need to first find the common difference (d) of the sequence. We know that the fifth term is -2 and the tenth term is 53.
The formula for the nth term of an arithmetic sequence is: an = a1 + (n-1)d
Using this formula, we can set up two equations:
-2 = a1 + 4d (since the fifth term is a1 + 4d)
53 = a1 + 9d (since the tenth term is a1 + 9d)
We now have two equations with two variables (a1 and d). We can solve for either variable using substitution or elimination. I'll use elimination:
-2 = a1 + 4d
53 = a1 + 9d
Subtracting the first equation from the second equation, we get: 55 = 5d
Therefore, d = 11
Now that we know the common difference is 11, we can use the formula for the nth term again to find the seventh term:
a7 = a1 + (7-1)d
a7 = a1 + 6d
We still don't know a1, but we can solve for it using one of the previous equations:
-2 = a1 + 4d
-2 = a1 + 4(11)
-2 = a1 + 44
a1 = -46
Now we can substitute a1 and d into the formula for the seventh term:
a7 = -46 + 6(11)
a7 = -46 + 66
a7 = 20
Therefore, the seventh term of the arithmetic sequence is 20.
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In 2012, gallup asked participants if they had exercised more than 30 minutes a day for three days out of the week. Suppose that random samples of 100 respondents were selected from both vermont and hawaii. From the survey, vermont had 65. 3% who said yes and hawaii had 62. 2% who said yes. What is the value of the population proportion of people from hawaii who exercised for at least 30 minutes a day 3 days a week?
The estimated population proportion is 0.622, with a margin of error of +/- 0.096.
The value of the population proportion of people from Hawaii who exercised for at least 30 minutes a day 3 days a week can be estimated using the sample proportion of 62.2%. However, we need to calculate the margin of error to determine a range in which the true population proportion is likely to fall.
Using the formula for the margin of error:
Margin of error = z*sqrt(p*(1-p)/n)
where z is the z-score for the desired level of confidence (let's use 95% confidence, which corresponds to a z-score of 1.96), p is the sample proportion (0.622), and n is the sample size (100).
Plugging in the values, we get:
Margin of error = 1.96*sqrt(0.622*(1-0.622)/100) = 0.096
So the margin of error is 0.096, meaning that we can be 95% confident that the true population proportion of people from Hawaii who exercise for at least 30 minutes a day 3 days a week falls within a range of 0.622 +/- 0.096.
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Question
A restaurant is serving a special lunch combo meal that includes a drink, a main dish, and a dessert. Customers can choose from 5 drinks, 6 main dishes, and 3 desserts.
How many different combo meals are possible?
Select from the drop-down menu to correctly complete the statement.
Customers can create (14, 39, 60, 120) different lunch combo meals.
The number of different combo meals possible in a restaurant that is serving a special dinner combo meal is 90.
We are given that the customers can choose from 5 drinks, 6 main dishes, and 3 desserts. We have to find that how many different combos are possible. It means that we have to do an arrangement for such a situation. Arrangement of things means to group them in a systematic order, in all the possible ways.
We know that the number of possible ways to arrange is n! where n is the number of objects. As we know that the dinner includes 5 drinks, 6 main types of dishes, and 3 types of desserts. The number of different combo meals possible can be found by simply multiplying all the meals. Thus,
n = 5 * 6 * 3
n = 90
Therefore, the number of different combo meals possible in a restaurant that is serving a special dinner combo meal that includes a drink, a main dish, and a dessert is 90.
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Piotr has run the first 24 miles of a race which means he is 85% finished. How long is the race?
The total length of the race is approximately 28.24 miles.
To determine the total length of the race, we can use the given information: Piotr has completed 24 miles, which represents 85% of the race. We can set up a proportion to find the total length. Let 'x' represent the full length of the race:
(24 miles) / x = 85% / 100%
To solve for 'x', we can first convert the percentage to a decimal by dividing 85 by 100, resulting in 0.85:
24 / x = 0.85
Next, we can cross-multiply:
0.85 * x = 24
Now, we can solve for 'x' by dividing both sides by 0.85:
x = 24 / 0.85
x ≈ 28.24 miles
Therefore, the total length of the race is approximately 28.24 miles. Piotr has completed 85% of this distance, which means he has run 24 miles and has around 4.24 miles remaining to finish the race.
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Most radians have fractional answers. In your own words, explain why you think that is true. (Hint: look at the unit circle and the radians)
To get it why radians have fractional answers, one can use the unit of a circle . the unit circle could be a circle with a radius of 1, centered at the root of a coordinate plane. To measure points in radians on the unit circle, we measure the arc length of the comparing other part of the circle, as shown within the image attached:
What are the radians frictional answers?Radian measures angles based on arc length equal to the radius of a circle, resulting in fractions for non-whole arcs. The unit circle has a radius of 1 and is centered at the origin.
This explains why radians can be fractional. To measure angles in radians, we use arc length on the unit circle. Most angles correspond to fractions of a full circle, like π/2 for a quarter circle.
The angle in radians for one-eighth of a circle is approximately 0.79 (π/4), as most circle arcs are not exact multiples of the radius. Most circle arcs cannot be expressed as a whole number of radii.
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Which geometric term would you use to describe the crossing sign shown below?
An X- shaped rail road crossing sign is shown.
A.
perpendicular lines
B.
parallel lines
C.
intersecting lines
D.
points
The geometric term that can be used to describe the crossing sign shown is intersecting lines.
What are intersecting lines geometry?In geometry, intersecting lines are two lines that cross one another at a location known as the point of intersection. It is possible to use the point of intersection to solve issues concerning angles, segments, and geometric shapes because it is the sole point that both lines share.
Two pairs of opposite angles that are equal to one another are formed when two lines connect, giving rise to four angles.
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find the volume of the figure
Answer:
252 mi
Step-by-step explanation:
volume= L x W x H
9x 7 x 4 = 252 mi
you would like to construct a confidence interval to estimate the population mean score on a nationwide examination in finance, and for this purpose we choose a random sample of exam scores. the sample we choose has a mean of and a standard deviation of . question 6 of 10 90% 495 77 (a) what is the best point estimate, based on the sample, to use for the population mean?
The best point estimate for the population mean score on the nationwide examination in psychology is the sample mean of 492.
When we take a sample from a population, the sample mean is a point estimate of the population mean. A point estimate is an estimate of a population parameter based on a single value or point in the sample. In this case, the sample mean of 492 is the best point estimate for the population mean, because it is an unbiased estimator.
An estimator is unbiased if it is expected to be equal to the true population parameter. In this case, the expected value of the sample mean is equal to the population mean. This means that if we were to take many different samples from the population and calculate the sample mean for each sample, the average of all these sample means would be equal to the population mean.
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The given question is incomplete, the complete question is:
You would like to construct a 95% confidence interval to estimate the population mean score on a nationwide examination in psychology, and for this purpose we choose a random sample of exam scores. The sample we choose has a mean of 492 and a standard deviation of 78. What is the best point estimate, based on the sample, to use for the population mean?
In the film 'Shipwreck', the Captain and five passengers remain on board a sinking ship. There are three lifejackets remaining.
The Captain knows that three of the passengers cannot swim.
In his panic he hands out the lifejackets randomly to three of the five passengers.
Calculate the probability that he gives the lifejackets to just two of the three non-swimmers
Note that the probability that he gives the lifejackets to just two of the three non-swimmers is 3/250 or 0.012
How is this so ?Let's define the following events...
A: Two of the three non-swimmers get lifejackets
B: Three lifejackets are given to two non-swimmers and one swimmer
We want to calculate P(A), the probability that two of the three non-swimmers get lifejackets. We can do this using the formula/...
P(A) = P(A|B) * P(B) + P(A|not B) * P( not B)
P (B), the probability that the Captain gives the lifejackets to two non-swimmers and one swimmer....
P(B ) = (3/5 ) x (2/4) x (1/3) = 1/ 10
Note that he number of ways to choose 2 non-swimmers from 3 is 3, and the number of ways to choose 1 swimmer from 2 is 2.
The total No. of ways to choose 3 passengers from 5 is 10, hence
P(A | B) = (3 choose 2) x (2 choose 1) / (10 choose 3) = 6 /50
The No. of ways to choose 2 non-swimmers from 2 is 1, and the number of ways to choose 1 swimmer from 3 is 3. The total number of ways to choose 3 passengers from 5 is 10
P(A|not B) = (1 choose 2) x (3 choose 1) / (10 choose 3) = 0
Plugging in the values, we get....the followint
P(A) = (6/50) * (1/10) + (0) * (9/10) = 3/ 250
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Solve for x and choose the correct solution: x-3<=-2
The solution of the given inequality, x - 3 ≤ -2, is solved as the possible value of x which is determined as: x ≤ 1.
How to Find the Solution of an Inequality?Given the inequality x - 3 ≤ -2, to find the solution, wr would have to solve for x as explained below:
x - 3 ≤ -2 [given]
Add 3 to both sides:
x - 3 + 3 ≤ -2 + 3 [addition property of equality]
x ≤ 1
This means that the values of x are less than or equal to 1, which is from 1 below.
Thus, the solution to the inequality is solved by finding the possible value of x, which is x ≤ 1.
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A right rectangular prism has a volume of 6x^3 - 3x^2 - 45x.
a. What are expressions for the length, width, and height?
b. What is the least possible integer value of x for the rectangular solid to exist? Explain
(a) The expressions for the length, width, and height can be 3x, (2x + 5), and (x - 3).
(b) The least possible integer value of x for the rectangular solid to exist is 4.
a. To express the length, width, and height of the right rectangular prism in terms of x, we can factor the volume expression, 6x³ - 3x² - 45x.
Factoring out the greatest common factor, 3x:
3x(2x² - x - 15)
Now, factor the quadratic expression:
3x(2x² - x - 15)
To factor the quadratic expression further, find two numbers whose product equals the constant term (-15) and whose sum equals the coefficient of the linear term (-1). These two numbers are -5 and 3.
3x(2x + 5)(x - 3)
Thus, the expressions for the length, width, and height can be 3x, (2x + 5), and (x - 3)
b. For the rectangular solid to exist, all dimensions (length, width, and height) must be positive. Let's examine the constraints on x for each dimension:
1. 3x > 0
2. 2x + 5 > 0 → x > -5/2
3. x - 3 > 0 → x > 3
Since x must satisfy all three inequalities, the least possible integer value of x for the rectangular solid to exist is x = 4.
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Which numbers are solutions to the inequality *> 145 ? check all that apply. fraction is larger than 14 1/2 be decimals larger than 14 1/2 while numbers larger than 14 1/2 the number 14 1/2
fractions smaller than 14 1/2, decimal smaller than 14 1/2, whole number smaller than 14 1/2
For the solutions to the inequality *> 145, you can consider the given terms: 1. Fractions larger than 14 1/2: These are solutions since 14 1/2 is equivalent to 145/2, which is smaller than 145. 2.
Decimals larger than 14 1/2: These are also solutions as any decimal larger than 14.5 (14 1/2 as a decimal) will be greater than 145/2 and thus smaller than 145. 3. Whole numbers larger than 14 1/2: These are solutions as well, since any whole number greater than 14 is greater than 14 1/2 and therefore greater than 145/2. The numbers that are not solutions to the inequality are: 1. Fractions smaller than 14 1/2 2. Decimals smaller than 14 1/2 3. Whole numbers smaller than 14 1/2 These values are all less than 145/2 and therefore do not satisfy the inequality *> 145.
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Use the information given to answer the question.
The save percentage for a hockey goalie is determined by dividing the number of shots
the goalie saves by the total number of shots attempted on the goal.
Part B
During the same season, a backup goalie saves t shots and has a save percentage of
0.560. If the total number of shots attempted on the goal is 75, exactly how many shots
does the backup goalie save?
14 shots
21 shots
37 shots
42 shots
the backup goalie saved 42 shots. Answer: 42 shots. We can start by setting up an equation using the information given
what is equation ?
An equation is a mathematical statement that asserts that two expressions are equal. It is typically written with an equal sign (=) between the two expressions. For example, the equation 2x + 3 = 7 is a statement that asserts that the expression 2x + 3 is equal to 7.
In the given question,
We can start by setting up an equation using the information given:
save percentage = (number of shots saved / total number of shots attempted)
For the backup goalie, we know that their save percentage is 0.560, and we also know the total number of shots attempted on the goal is 75. Let's let the number of shots saved by the backup goalie be represented by the variable "t". Then we can write:
0.560 = t / 75
To solve for t, we can cross-multiply:
0.560 * 75 = t
t = 42
Therefore, the backup goalie saved 42 shots. Answer: 42 shots.
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What is the ordered pair that is a reflection over the x-axis for the point shown?
The x-axis starts at negative 8, with tick marks every one unit up to 8. The y-axis starts at negative 7, with tick marks every one unit up to 7. The point plotted is six units to the right and four units down from the origin.
(6, 4)
(−6, −4)
(4, 6)
(−4, −6)
The ordered pair that is a reflection over the x-axis for the point shown include the following: A. (6, 4)
What is a reflection over the x-axis?In Mathematics and Geometry, a reflection over or across the x-axis is represented by this transformation rule (x, y) → (x, -y).
This ultimately implies that, a reflection over or across the x-axis would maintain the same x-coordinate while the sign of the y-coordinate changes from positive to negative or negative to positive.
Next, we would apply a reflection over or across the x-axis to the point;
(x, y) → (x, -y)
(6, -4) → (6, -(-4)) = (6, 4)
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Ms. arrington has been raising money to take her classroom to the zoo. she has raised $580. the zoo has allowed all the adults to enter the zoo at a flat rate of $75 for all. if each student ticket costs $8.50, what is the maximum number of students allowed to attend the field trip?
The maximum number of students allowed to attend the field trip is 59.
To determine the maximum number of students allowed to attend the field trip, given the ticket cost and money raised, we'll need to follow these steps:
1. Subtract the adult ticket cost from the total money raised.
2. Divide the remaining amount by the cost of a student ticket.
Subtract the adult ticket cost from the total money raised.
$580 (money raised) - $75 (adult ticket cost) = $505 (remaining amount)
Divide the remaining amount by the cost of a student ticket.
$505 (remaining amount) / $8.50 (student ticket cost) = 59.41
Since we can't have a fraction of a student, we round down to the nearest whole number.
The maximum number of students allowed to attend the field trip is 59.
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