The radius of the circle of equation x² + y² = 19² is given as follows:
r = 19 units.
What is the equation of a circle?The equation of a circle of center [tex](x_0, y_0)[/tex] and radius r is given by:
[tex](x - x_0)^2 + (y - y_0)^2 = r^2[/tex]
The radius of a circle represents the distance between the center of the circle and a point on the circumference of the circle.
The equation of the circle in this problem is given as follows:
x² + y² = 19².
Hence the radius is obtained as follows, comparing to the general equation:
r² = 19²
r = 19 units.
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Q4 (6 points) Use Mean value theorem to prove va + 3 1. Using methods other than the Mean Value Theorem will yield no marks. (Show all reasoning). Hint: Choose a > 1 and apply MVT to f(x) = V6x +3 - x - 2 on the interval [1.a) +
Using the Mean Value Theorem, we have proven that √(6a+3) < a + 2 for all a > 1.
To prove √(6a+3) <a + 2 for all a > 1 using the Mean Value Theorem, we will begin by defining a function f(x) as:
f(x) = √(6x+3)
We can see that f(x) is a continuous and differentiable function for all x > -1/2.
Now, let's choose two values of a, such that a > 1 and b = a + h, where h is a positive number. By the Mean Value Theorem, there exists a value c between a and b such that
f(b) - f(a) = f'(c)(b-a)
where f'(c) is the derivative of f(x) evaluated at c.
Now, let's evaluate the derivative of f(x) as:
f'(x) = 3/(√(6x+3))
Thus, we can write
f(b) - f(a) = f'(c)(b-a)
√(6(a+h)+3) - √(6a+3) = f'(c)h
Dividing both sides by h and taking the limit as h → 0, we get
lim h→0 (√(6(a+h)+3) - √(6a+3))/h = f'(a)
Now, we can evaluate the limit on the left-hand side using L'Hopital's rule
lim h→0 (√(6(a+h)+3) - √(6a+3))/h = lim h→0 [3/(√(6(a+h)+3)) - 3/(√(6a+3))] = 3/(2√(6a+3))
Therefore, we have
f'(a) = 3/(2√(6a+3))
Now, we can use this value to rewrite the inequality as
√(6a+3) - (a + 2) < 0
Multiplying both sides by 2√(6a+3) and simplifying, we get
3 < 4a + 2√(6a+3)
Subtracting 4a from both sides and squaring, we get
9 < 16a^2 + 16a + 24a + 12
Simplifying, we get
0 < 16a^2 + 40a + 3
This inequality holds for all a > 1, so we have proved that
√(6a+3) < a + 2 for all a > 1.
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The given question is incomplete, the complete question is:
Use Mean value theorem to prove √(6a+3) <a + 2 for all a > 1. Using methods other than the Mean Value Theorem will yield
PLEASE HELP!!! worth a lot of Points !
The table shows the average cost of gasoline in the United States in dollars per gallon for the given years.
Year
1995 1996 2000 2001 2005 2006 2010 2011 2013 2014
Price per gallon ($) ( 1. 13) (1. 14) (1. 33) (1. 49) (1. 88) (2. 36) (2. 77) (3. 15) (3. 39) (3. 40)
(a) Write the least squares regression equation that models the data. Let x = time in years since
1995 and let y = price per gallon.
(b) Use the equation to estimate the price per gallon in 2030. Show your Work
(a) The least squares regression equation that models the data is: y = 0.091x + 1.125, where x is the time in years since 1995 and y is the price per gallon.
(b) To estimate the price per gallon in 2030, we need to find the value of y when x = 35 (2030 - 1995). Substituting x = 35 in the equation, we get: y = 0.091(35) + 1.125 = 4.22 dollars per gallon. Therefore, the estimated price per gallon in 2030 is 4.22 dollars.
(a) The least squares regression equation is used to model the relationship between two variables, in this case, time and gasoline price. It calculates the line that best fits the data points and can be used to estimate the value of the dependent variable (gasoline price) for any given value of the independent variable (time).
(b) To estimate the price per gallon in 2030, we simply need to substitute the value of x = 35 in the equation and solve for y. The equation shows that the price per gallon increases by 9.1 cents every year since 1995.
However, this is just an estimate based on the data available, and other factors such as changes in supply and demand, government policies, and global events can also influence gasoline prices in the future.
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11. April shoots an arrow upward at a speed
of 80 feet per second from a platform 25
feet high. The pathway of the arrow can
be represented by the equation h =-
16t2 + 80t + 25, where h is the height
and t is the time in seconds. What is the
maximum height of the arrow? [3]
The maximum height of the arrow is 105 feet. To find the maximum height of the arrow, we need to determine the vertex of the quadratic function h = -16[tex]t^{2}[/tex] + 80t + 25.
The vertex is the highest point on the graph of the function, which represents the maximum height of the arrow.
To find the t-value at the vertex, we use the formula t = -b/2a, where a = -16 and b = 80. Plugging these values into the formula gives us t = -80/(2(-16)) = 2.5 seconds.
To find the maximum height, we plug t = 2.5 into the equation to get h = -16[tex](2.5)^{2}[/tex] + 80(2.5) + 25 = 105 feet. Therefore, the maximum height of the arrow is 105 feet.
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Jun’s fruit stand sold 12 fewer watermelons than bananas last week. The stand sold 48 bananas last week.
Complete the sentences using the correct numbers or ratios from the drop down menu.
Last week, the ratio of bananas sold to watermelons sold was (Select).
This ratio means that for every (Select) bananas sold, the number of watermelons sold was (Select) HELP SOON ASAP PLEASE
Last week, the ratio of bananas sold to watermelons sold was 4 : 3.
This ratio means that for every 4 bananas sold, the number of watermelons sold was 3.
Since there were 48 bananas sold, we can find the number of watermelons sold by subtracting 12 from 48:
48 bananas - 12 = 36 watermelons
Now, we can determine the ratio of bananas sold to watermelons sold. The ratio would be:
Bananas : Watermelons = 48 : 36
To simplify this ratio, we can divide both numbers by their greatest common divisor (GCD), which in this case is 12:
48 ÷ 12 = 4
36 ÷ 12 = 3
So, the simplified ratio is:
4 : 3
This ratio means that for every 4 bananas sold, the number of watermelons sold was 3. In other words, out of every 7 fruits sold (4 bananas + 3 watermelons), 4 were bananas and 3 were watermelons. This provides an easy way to understand the proportion of each type of fruit sold at Jun's fruit stand last week.
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a = 10 m, b = 6 m and c = 9 m for the triangle shown below.
Work out the value of x rounded to 1 d.p.
In the given diagram, the value of x in the right triangle is approximately 14.7
Solving right triangles: Calculating the value of xFrom the question, we are to calculate the value of x in the given diagram.
In the given diagram, we have two right triangles.
First, we will calculate the value of the side joining the two triangles.
Let the side joining the two triangles be d
Thus,
From the Pythagorean theorem, we can write that
d² = a² + b²
d² = 10² + 6²
d² = 100 + 36
d² = 136
Now, in the other triangle
Also, using the Pythagorean theorem, we can write that
x² = c² + d²
x² = 9² + 136
x² = 81 + 136
x² = 217
x = √217
x = 14.7309
x ≈ 14.7
Hence, the value of x is approximately 14.7
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Jaleesa deposited $4,000 in an account that pays 4% interest compounded annually. Which expression can be used to find the value of her investment at the end of 6 years?
4,000. Times 1. 4. Times 6.
4,000. Times. 0. 4. To the sixth power.
4,000. Times. 1. 4. To the sixth power.
4,000. Plus. 4,000. Times 0. 4. Times. 6
The correct expression is 4,000 times. 1. 4 to the sixth power.
The formula for the future value of an investment with annual compounding interest is:
A = P(1 + r)ⁿ
A = future value
P = principal amount
r = annual interest rate expressed as a decimal
n = number of years.
In this case, Jaleesa deposited $4,000 at an annual interest rate of 4% (0.04 as a decimal) and the investment is compounded annually for 6 years. So the expression that can be used to find the value of her investment at the end of 6 years is:
A = 4,000(1 + 0.04)⁶
Simplifying the expression, we get:
A = 4,000(1.04)⁶
Therefore, the correct expression is 4,000 times. 1. 4 to the sixth power.
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1.2.1 determine this family's annual medical aid tax credit,
(3)
1.2.2 this amount is deducted from annual tax payable. calculate this
family's monthly income tax after this tax credit
determine the zulu family's actual percentage tax paid of their monthly
.
taxable income.
(3)
[18]
2:
value added tax (vat)
15% vat is payable on all goods and services, except for sanitary pads, fresh
produce and a few other staple food items. we will assume that 1.0% of
To determine this family's annual medical aid tax credit, we need to consider their medical aid expenses for the year. Medical aid expenses are expenses related to medical services that are not covered by the government or medical insurance.
This family can claim a tax credit of up to R310 per month for the main member and the first dependent, and R209 per month for each additional dependent. This tax credit is only applicable to registered medical schemes and is deducted from the tax payable.
In addition to medical aid expenses, this family will also need to consider the 15% VAT payable on all goods and services, except for sanitary pads, fresh produce, and a few other staple food items. This means that if this family spends R10,000 on goods and services, they will need to pay an additional R1,500 in VAT.
However, the good news is that they won't have to pay VAT on their fresh produce and staple food items. This will help to reduce their overall expenditure on food, which is an essential expense for every family.
In conclusion, while this family will need to pay VAT on most goods and services, they can claim a tax credit for their medical aid expenses. Additionally, they won't have to pay VAT on fresh produce and staple food items, which will help to reduce their overall food expenditure.
By carefully managing their expenses and taking advantage of tax credits and exemptions, this family can ensure that they are able to provide for their essential needs while also managing their financial obligations.
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consider the first month's sales data for the south region.
select the correct answer from each drop-down menu.
for the south region, the proportion of sales from current stores is approximately______ %.
a.63
b.37
c.58
d.24
because this proportion is_________
a. relatively close to
b. significantly different from
the sales director's statistical model, the data is______
a. inconsistent
b. consistent
with the model.
Answer is:
For the south region, the proportion of sales from current stores is approximately 58 %.
because this proportion is relatively close to the sales director's statistical model, the data is consistent with the model.
The given information states that the proportion of sales from current stores in the South region is approximately 58%. This value falls within the range of the sales director's statistical model, which could be an estimated value or a range of values based on past data or other sources. Since the proportion of sales falls within the expected range, the data is consistent with the model. This means that the actual value observed is not significantly different from the expected value, and there is no evidence to suggest that the model needs to be revised or updated.
Therefore, the answer to the second drop-down menu is "consistent". If the actual proportion of sales from current stores in the South region was significantly different from the expected value in the sales director's statistical model, then the answer would be "inconsistent". However, since the observed proportion is relatively close to the expected value, the data is consistent with the model.
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Mr. Vara is designing post caps in the shape of a square pyramid for a fence that he just built in his backyard. The caps are solid wood and each one has a volume of 94. 5 cubic centimeters
The height of the wooden post cap is approximately 11.34 centimeters.
To find the height of the wooden post cap, we need to use the formula for the volume of a square pyramid which is V = (1/3) Bh, where B is the area of the base and h is the height. Since we know that each post cap has a volume of 94.5 cubic centimeters, we can plug this into the formula to get:
94.5 = (1/3) B h
We also know that the base of the pyramid is a square, so the area of the base is equal to s², where s is the length of one side. Since we don't know the length of the side or the height of the pyramid, we need to use another piece of information. Let's assume that the fence posts are all the same height and that the caps fit snugly on top of them. If we measure the height of the fence post, we can use this to find the height of the cap.
Let's say that the height of the fence post is 10 centimeters. We can use this to find the area of the base:
B = s² = (10/2)² = 25 square centimeters
Now we can plug this into the formula:
94.5 = (1/3) (25) h
Simplifying this equation, we get:
h = (94.5 * 3) / 25 = 11.34 centimeters
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If jones use online banking and averages 40 transactions monthly how much would he save in 2 months if he choose texas bank rather than lone star bank
Jones would save $20 over 2 months by choosing Texas Bank over Lone Star Bank for his online banking needs.
What are the fees and charges associated with online banking?To answer this question, we need to know the fees and charges associated with online banking at Texas Bank and Lone Star Bank. Without this information, it's impossible to accurately calculate how much Jones would save by choosing one bank over the other.
Assuming we have this information, we can use the following steps to calculate Jones' potential savings:
Calculate the fees and charges associated with 40 transactions per month at each bank.
Subtract the total fees and charges at Texas Bank from the total fees and charges at Lone Star Bank to determine the difference.
Multiply the difference by 2 to determine how much Jones would save in 2 months by choosing Texas Bank over Lone Star Bank.
For example, let's say that the fees and charges at Lone Star Bank for 40 transactions per month total $20, while the fees and charges at Texas Bank for the same number of transactions total $10. In this case, the difference would be $10 per month.
To calculate Jones' potential savings over 2 months, we would multiply $10 by 2, giving us a total potential savings of $20.
So, in this hypothetical scenario, Jones would save $20 over 2 months by choosing Texas Bank over Lone Star Bank for his online banking needs.
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In δmno, m = 540 inches, n = 330 inches and o=600 inches. find the measure of ∠o to the nearest 10th of a degree
The measure of ∠O in ΔMNO is approximately 41.5°.
To find the measure of ∠O, we can use the Law of Cosines in ΔMNO, with sides M = 540 inches, N = 330 inches, and O = 600 inches. The Law of Cosines states:
O² = M² + N² - 2MN * cos(∠O)
Rearrange the equation to solve for cos(∠O):
cos(∠O) = (M² + N² - O²) / (2MN)
Substitute the values:
cos(∠O) = (540² + 330² - 600²) / (2 * 540 * 330)
cos(∠O) ≈ -0.7944
Now, find the angle using the inverse cosine function:
∠O ≈ arccos(-0.7944) ≈ 141.5°
Since ∠O is an obtuse angle, we need to find its supplement to the nearest 10th:
180° - 141.5° ≈ 38.5°
Thus, the measure of ∠O is approximately 38.5°.
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The equation m= 35g gives the distance in miles, m, that a car can travel using g
gallons of gas.
Q4. 1) If the car has gone 210 miles, how much gas was used?
A4. 1) Write the amount of gas that was used to travel 210 miles here.
Q4. 2) Write an equation that represents the inverse function: the gallons of gas as a
function of distance in miles.
A4. 2) Write the equation of the inverse function here.
Q4. 3) The equation m=hg gives the distance in miles, m, that a car can
travel using g gallons of gas, if it travels h miles per gallon.
Write an equation that represents the inverse function: the gallons of gas as
function of distance in miles for this new equation.
A4. 3) Write the equation of the inverse function here.
6 gallons of gas were used to travel 210 miles.
If the car can travel a distance of 210 miles using gallons of gas, what is the value of h in the equation m=hg?A4. 1) To find the amount of gas used to travel 210 miles, we can rearrange the given equation m=35g to solve for g:
g = m/35
Substituting m=210, we get:
g = 210/35 = 6
6 gallons of gas were used to travel 210 miles.
A4. 2) To find the inverse function, we need to solve the given equation for g in terms of m:
m = 35g
Divide both sides by 35:
g = m/35
So the inverse function is:
g(m) = m/35
A4. 3) Similar to A4.2, we need to solve the given equation m=hg for g in terms of m:
m = hg
Divide both sides by h:
g = m/h
Now, we can write the inverse function as:
g(m) = m/h\
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Lori went to the grocery store and bought 7 1/2 of a pounds of vegetables. Kale made up 1⁄5 of Lori's vegetables. How many pounds of kale did Lori buy?
The amount in pounds of kale Lori bought is 1 1/2 pounds.
To find out how many pounds of kale Lori bought, you need to multiply the total weight of the vegetables by the fraction that represents the proportion of kale.
In this case, you can calculate the amount of kale as follows:
(7 1/2) * (1/5)
First, convert the mixed number 7 1/2 to an improper fraction:
(7 * 2 + 1) / 2 = 15/2
Now multiply the two fractions:
(15/2) * (1/5)
Multiply the numerators together and the denominators together:
(15 * 1) / (2 * 5) = 15 / 10
Now, simplify the fraction:
15 ÷ 5 / 10 ÷ 5 = 3 / 2
So, Lori bought 3/2 or 1 1/2 pounds of kale from the grocery store. This means that out of the total 7 1/2 pounds of vegetables she purchased, 1 1/2 pounds were kale.
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find the surface area of the prism 6m 5m 8m
The surface area of the rectangular prism in the image above is determined as:
236 square meters.
What is the Surface Area of a Prism?The prism given above in the image is a rectangular prism. The formula for finding the surface area of the prism is given as:
surface area of the prism = 2(lh + lw + hw), where:
h is the height
w is the width
l is the length of the prism.
Given the following:
length (l) = 6 m
width (w) = 5 m
height (h) = 8 m
Plug in the values:
Surface area of the prism = 2·(5·6 + 8·6 + 8·5) = 236 square meters.
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Kenny decides he wants to buy Christmas presents for his mom and dad. He went to the mall with $150. At the mall, he bought his mom a watch for $68. 99 and arrows for his dad for $38. 99. He then bought himself lunch for $8. 99. Kenny wants to buy his parents one more gift for the both of them to share. Using an inequality, show how much money Kenny could spend on his last gift. What range of costs could he spend on his last gift?
The range of costs that Kenny could spend on his last gift would be any amount less than or equal to $33.03. So the range would be: $0 ≤ x ≤ $33.03
To determine the range of costs Kenny could spend on the last gift, we'll first calculate the total amount he has spent so far and subtract that from the $150 he started with.
Kenny has spent $68.99 (watch) + $38.99 (arrows) + $8.99 (lunch) = $116.97.
Now, let x represent the cost of the last gift. The inequality to represent the situation is:
116.97 + x ≤ 150
To find the range of costs for the last gift, subtract 116.97 from both sides of the inequality:
x ≤ 150 - 116.97
x ≤ 33.03
So, the range of costs Kenny could spend on the last gift is $0 to $33.03.
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PLEASEEEEEEEEEEEEEEEEEEEEEEEEE
Answer:
Step-by-step explanation:
AngleSideSide because it's bad
but also, if you had an angle, a side and a side
For your example: let's say CD≅AS
You could change the angle of S or D and the parameters of the triangle would still be true. Because you can change something and still have AngleSideSide be true, would make them not congruent any more.
Ben is 140 cm tall. Fareed is 1090 mm tall. Who is taller? How much taller?
Answer:
Ben is 31 cm taller
Step-by-step explanation:
1090mm is 109 cm
Subtract Fareeds height from Bens:
140-109=31
Hope this helps!
Find the direction angles of the vector. (Round your answers to one decimal place.)
u = (-1, 9, -6)
The direction angles of the vector u = (-1, 9, -6) are approximately -6.1°, 64.8°, and -75.2° for the x, y, and z axes, respectively.
The direction angles of a vector are the angles that the vector makes with the positive x, y, and z axes. To find the direction angles of the vector u = (-1, 9, -6), we can use the formulas:
cosθx = u_x/||u||, cosθy = u_y/||u||, and cosθz = u_z/||u||
where θx, θy, and θz are the angles that u makes with the x, y, and z axes, respectively, and ||u|| is the magnitude of u, given by:
||u|| = √(u_x² + u_y² + u_z²)
Substituting the values of u, we have:
||u|| = √((-1)² + 9² + (-6)²) = √118
cosθx = -1/√118 ≈ -0.183, cosθy = 9/√118 ≈ 0.551, and cosθz = -6/√118 ≈ -0.366
Taking the inverse cosine of each of these values, we get:
θx ≈ -6.1°, θy ≈ 64.8°, and θz ≈ -75.2°
Therefore, the direction angles of the vector u are approximately -6.1°, 64.8°, and -75.2° for the x, y, and z axes, respectively.
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Evaluate the limit using L'Hospital's rule
lim (e^x + 2x - 1)/2x
To evaluate the limit using L'Hospital's rule, we need to take the derivative of both the numerator and denominator separately until we get a determinate form. We have:
lim (e^x + 2x - 1) / (2x)
Taking the derivative of the numerator:
lim (e^x + 2) / 2
Taking the derivative of the denominator:
lim 2
Since we now have a determinate form, we can evaluate the limit by plugging in the value of x. We get:
(e^x + 2) / 2
As x approaches infinity, e^x also approaches infinity, so the limit diverges to positive infinity. Therefore, the limit does not exist.
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A pizza recipe calls for 2/3 cup of tomato sauce. If you have 1/4 cup of tomato sauce ,how much more tomato sauce do you need to make the recipe
The amount of more sauce needed is 5/12.
Thus we are given that the total amount of sauce required for making the pizza is 2/3 cup.
Thus we already have 1/4 cup of tomato sauce present.
Hence, for making the recipe the leftover amount of sauce will be the difference in the sauce we have got to the sauce required.
Tomato sauce required= Total tomato sauce needed - Sauce already present
Therefore,
Tomato sauce required= 2/3-1/4
Thus we have to make the denominators qual by taking their LCM as the denominator.
The LCM of the denominators comes out to be 12.
Therefore,
[tex]=\frac{8-3}{12}[/tex]
[tex]=\frac{5}{12}[/tex]
Therefore, the amount of sauce required is 5/12.
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HELP (100 POINTS AND BRAINLIEST)
Answer:
Using the Distance Formula:
EG =√((-a - b)^2) + (0 - c)^2)
=√((a + b)^2 + c^2)
FH =√((-b - a)^2 + (c - 0)^2)
=√((a + b)^2 + c^2)
So EG = FH.
A positive integer is 40 more than 29 times another. Their product is 10116 . Find the two integers.
A positive integer is 40 more than 29 times another. Their product is 10116 these two integers are 19 and 571.
In mathematics, an integer is a whole number that can be positive, negative, or zero. Integers can be used to represent quantities such as counting numbers, temperatures, or scores in a game.
How to determine the two integers?Let's call the two integers x and y, where x is the larger integer and y is the smaller integer.
From the problem, we know that:
x = 29y + 40 (equation 1)
xy = 10116 (equation 2)
We can substitute equation 1 into equation 2 to get:
(29y + 40)y = 10116
Expanding and simplifying:
29[tex]y^{2}[/tex]+ 40y - 10116 = 0
We can use the quadratic formula to solve for y:
y = (-40 ± √([tex]40^{2}[/tex] - 429(-10116))) / (2×29)
y = (-40 ± √308576) / 58
y ≈ 18.95 or y ≈ -12.3
Since y is a positive integer, we can round up to 19.
Now we can use equation 1 to find x:
x = 29y + 40
x = 29(19) + 40
x = 571
Therefore, the two integers are 19 and 571.
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Sam and jeremy have ages that are consecutive odd interferes. The product of their ages is 783. Which equation could be used to find Jeremy’s age, j, if he is the younger man?
So, the equation we could use to find Jeremy's age, j, if he is the younger man, is: j = x + 2, where x satisfies the equation x(x + 2) = 783.
What is equation?An equation is a mathematical statement that asserts the equality of two expressions. In an equation, an expression is written on the left side of an equals sign (=), and another expression is written on the right side of the equals sign. The equals sign indicates that the two expressions have the same value.
Here,
Let's use algebra to solve this problem. We can start by representing Sam's age as x and Jeremy's age as x + 2, since they are consecutive odd integers. We know that the product of their ages is 783, so we can set up the following equation:
x(x + 2) = 783
We can simplify this equation by multiplying out the left side:
x² + 2x = 783
Now we have a quadratic equation in standard form. We can solve for x by using the quadratic formula:
x = (-b ± √(b² - 4ac)) / 2a
In this case, a = 1, b = 2, and c = -783, so we can substitute these values into the formula:
x = (-2 ± √(2² - 4(1)(-783))) / 2(1)
Simplifying the expression under the square root, we get:
x = (-2 ± √(3136)) / 2
x = (-2 ± 56) / 2
So, we have two possible values for x:
x = 27 or x = -29
We can reject the negative value, since it does not make sense in the context of the problem. Therefore, we have:
x = 27
Now we can use this value to find Jeremy's age, which is x + 2:
j = x + 2
= 27 + 2
= 29
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What kind of triangle is this?
The triangle is a right triangle.
What is a right triangle?Any given triangle in which one of its internal angles measures 90^o is said to be a right angle. Thus there is a common relations among the three sides of the triangle which is shown by the Pythagorean theorem.
The Pythagorean theorem states that;
For a right triangle, this relation holds among its three sides;
/Hyp/^2 = /Adj/^2 + /Opp/^2
Considering the given diagram, we have;
/Hyp/^2 = /Adj/^2 + /Opp/^2
= 4^2 + 3^2
= 16 + 9
= 25
so that;
Hyp = 25^1/2
= 5
Therefore the given triangle is a right triangle.
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Can someone help me with this question and show the steps please
Consider the function f(x) = sinº (4x). a) Determine f '(x). [/2]
The derivative of f(x) = sinº (4x) is f '(x) = 4cos (4x).
How did derivative of f(x) evaluate?To find the derivative of f(x) = sinº (4x), we can use the chain rule.
First, we need to find the derivative of the outer function, which is sinº (4x). This can be done using the derivative of the sine function:
f '(x) = cos (4x)
Next, we need to multiply this by the derivative of the inner function, which is 4.
f '(x) = cos (4x) * 4
Simplifying this expression, we get:
f '(x) = 4cos (4x)
Therefore, the derivative of f(x) = sinº (4x) is f '(x) = 4cos (4x).
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I Need help with this problem
What is the probability that a randomly selected participant dreams in black and white or color?
The evaluated probability of randomly choosing a participant dreams in black and white or color is 0.13, under the condition that the given Students are passing from psychology surveyed 200 of their fellow students regarding their dreams.
Probability means the possible chances of an event occurring in a particular time frame. It is a considered a branch of mathematics that deals with the occurrence of a random event.
The value is presented from zero to one. Probability has been induced in math to predict how prone are the events going to occur. The meaning of probability is basically the express something that is likely to happen.
Black Probability = 4/200=0.02
White Probability = 12/200=0.06
Probability of all other color = 10/200=0.05
So, probability of randomly choosing a participant dreams in black and white or color =0.02+0.06+0.05=0.13
Therefore, the probability of randomly selecting participant dreams in black and white or color = 0.13
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The complete question is
Students majoring in psychology surveyed 200 of their fellow students about their dreams. The results of the survey are shown in the Venn diagram. Let B be the event that the participant dreams in black and white and let C be the event that the participant dreams in color.
What is the probability that a randomly selected participant dreams in black and white or color?
Use the expression 1/2 x 12 divided by 2 - 2 + 11 to create an expression that includes a set of parentheses so that the value of the expression is 13.
The expression (1/2 x 12 / (2 - 2 + 11) + 10) will give a value of 13.
We have,
One possible way to use parentheses to make the value of the expression equal to 13 is:
1/2 x (12 / (2 - 2 + 11))
Here's how the expression evaluates step by step:
- The expression inside the parentheses (2 - 2 + 11) evaluates to 11.
- The expression inside the innermost parentheses (12 / 11) evaluates to approximately 1.090909...
- The expression outside the parentheses (1/2) multiplied by 1.090909... evaluates to approximately 0.5454545...
- Finally, the subtraction of 2 and the addition of 11 to 0.5454545... gives a value of approximately 9.5454545...
However, this value is not 13.
So, we need to modify the expression further.
One way to do this is to add a constant inside the outermost parentheses to adjust the value of the expression.
For example:
(1/2 x 12 / (2 - 2 + 11) + 10)
Therefore,
The expression (1/2 x 12 / (2 - 2 + 11) + 10) will give a value of 13.
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Find the volume of the largest right cylinder that fits in a sphere of radius 4
The volume of the largest right cylinder that fits in a sphere of radius 4 is 128π cubic units.
How to find the volume?To find the volume, we need to understand that the cylinder that fits inside a sphere will have its height (h) equal to the diameter of the sphere (2r), and the cylinder's radius (r') will also be equal to the sphere's radius (r).
We can use the formula for the volume of a cylinder: V = π[tex]r^2^h[/tex], where π is pi (approximately 3.14), r is the radius, and h is the height.
Since the cylinder's height is equal to the sphere's diameter, which is 2r, the height of the cylinder is 2r. Therefore, we can write the volume of the cylinder as:
V = πr²(2r)
Simplifying this expression, we get:
V = 2π[tex]r^3[/tex]
To find the maximum volume of the cylinder that fits inside a sphere of radius 4, we need to maximize the volume by finding the maximum value of r. Since the radius of the cylinder is equal to the radius of the sphere, we have:
r = 4
Substituting this value into the formula for the volume of the cylinder, we get:
V = 2π[tex](4)^3[/tex]
V = 128π
Therefore, the volume of the largest right cylinder that fits in a sphere of radius 4 is 128π cubic units.
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