In seven years, the student population at the Brentwood Student Center will be approximately 4,174.
Using the given terms, the current student population at the Brentwood Student Center is 2,500 and the enrollment increases at a rate of 6% each year. To find the student population closest to seven years from now, we'll use the formula for exponential growth:
Future Population = Current Population × (1 + Growth Rate)^Number of Years
In this case, the future population will be:
Future Population = 2,500 × (1 + 0.06)^7
After calculating, we get:
Future Population ≈ 4,174
So, to the nearest whole number, the student population at the Brentwood Student Center will be approximately 4,174 in seven years.
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helppppppp pleaseeeeee
Answer:
The most goals the team scored in a game is 8.
Step-by-step explanation:
0 would be your Min,
2 would be your Q1
4 is your median
5 is Q3
8 is your Max
The histogram shows the numbers of rebounds per game for a middle school basketball player in a season.
A vertical bar graph titled, Rebounds per Game. The vertical axis is labeled frequency and ranges from 0 to 7. The horizontal axis is labeled rebounds and has bin in the following intervals: For 0 to 1, the bar height is 3. For 2 to 3, the bar height is 6. For 4 to 5, the bar height is 2. For 6 to 7, the bar height is 1.
a. Which interval contains the most data values?
Responses
0–1 rebounds
0–1 rebounds
2–3 rebounds
2–3 rebounds
4–5 rebounds
4–5 rebounds
6–7 rebounds
6–7 rebounds
Question 2
b. How many games did the player play during the season?
The player played
games.
Question 3
c. In what percent of the games did the player have 4 or more rebounds?
The player had 4 or more rebounds in
% of the games.
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a. Which interval contains the most data values?
2–3 rebounds
b. How many games did the player play during the season?
The player played 12 games.
c. In what percent of the games did the player have 4 or more rebounds?
The player had 4 or more rebounds in 25% of the games.
What is a Histogram?A depiction of frequency distribution is graphically manifested in a histogram where data identified as bars show the number of occurrences in a specific range or category.
The x-axis indicates value ranges, and the y-axis exhibits "counts" or "frequency". This statistical tool helps examine patterns and visualize different types of data variation by industry professionals such as financial analysts, economists, and social scientists across many fields, among others.
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Rebecca folded a piece of notebook paper, as shown below. What is the area of the folded piece of notebook paper?
The area of the folded piece of paper is 30 inches square
How to find the area of a trapezium?The paper is folded in the shape of a trapezium. The area of the trapezium can be found as follows:
area of the trapezium = 1 / 2 (a + b)h
where
a = top lengthb = base lengthh = height of the trapeziumTherefore,
a = 4 inches
b = 4 + 2 + 2 = 8 inches
h = 5 inches
area of the trapezium = 1 / 2 (4 + 8)5
area of the trapezium = 1 / 2 (12)5
area of the trapezium = 60 / 2
area of the trapezium = 30 inches square
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Jasmine creates a map of her town on the coordinate plane. The unit on the coordinate plane is one block.
The locations of the school, post office, and library are given. school (-4,1)
post office (2,1)
library (2,-4)
Move the points of each building to its correct location on the coordinate plane. Jasmine walks from the school to the post office and then to the library.
What is the total distance, in blocks, of her walk?
Jasmine walks from the school to the post office, which is a distance of $2 - (-4) = 6$ blocks horizontally and 0 blocks vertically, so the distance is 6 blocks. Then she walks from the post office to the library, which is a distance of $2 - 2 = 0$ blocks horizontally and $-4 - 1 = -5$ blocks vertically, so the distance is 5 blocks.
The total distance of Jasmine's walk is the sum of the distances of each leg of her journey, which is $6 + 5 = 11$ blocks. Therefore, Jasmine walks 11 blocks in total.
Which of the following tables represents a linear relationship that is also proportional?
Answer:
Step-by-step explanation:
proportional means the graph passes through the origin, also known as (0,0). In this case, the only table with both 0’s in the x and y is the second one from the top.
Devonte is studying for a history test he uses 1/8 of a side of one sheet of paper to write notes for each history event he fills 2 full sides of one sheet paper. which expression could be used to find how many events
The expression to find the number of events is: (1 event) / (1/8 side) = (n events) / (1/4 sides).
Devonte is studying for a history test and uses 1/8 of a side of one sheet of paper to write notes for each history event. He fills 2 full sides of one sheet of paper. To find out how many events he wrote notes for, you can set up an expression using the given information.
Since Devonte uses 1/8 of a side for each event, and he fills 2 sides, you can calculate the total amount of space he used by multiplying the fractions: (1/8) * 2. This simplifies to 2/8 or 1/4. Now, you can set up a proportion to find the number of events (n) that Devonte wrote notes for:
(1 event) / (1/8 side) = (n events) / (1/4 sides)
Cross-multiply to solve for n:
1 * (1/4) = n * (1/8)
1/4 = n/8
To find n, multiply both sides by 8:
(8) * (1/4) = n
2 = n
So, Devonte wrote notes for 2 history events using the 2 full sides of one sheet of paper. The expression to find the number of events is: (1 event) / (1/8 side) = (n events) / (1/4 sides).
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Complete Question:
Devonte is studying for a history test. He uses 1/8 of a side of one sheet of paper to write notes for each history event. He fills 2 full sides of one sheet of paper. Which expression could be used to find how many events Devonte makes notes for?
7. the interest on a particular savings account is compounded continuously. the account initially had $3500 deposited in it. the worth of the account after t-years can be calculated using the formula: a(t)- 3500041 (a) by what percent will the worth of the account increase per year? round to the nearest hundredth of a percent. (b) to the nearest tenth of a year, how long will it take for the worth of the account to triple?
With the given formula [tex]a(t) = 3500e^{(0.041t)[/tex], the percent increase per year for savings account is 4.1% and it will take about 16.9 years for the worth of the account to triple.
a) The formula given is: [tex]a(t) = 3500e^{({0.041t)[/tex]
To find the percent increase per year, we need to find the annual growth rate. We can do this by taking the derivative of a(t) with respect to t:
[tex]a'(t) = 0.041 * 3500 * e^{(0.041t)[/tex]
The annual growth rate is equal to a'(t)/a(t). Plugging in the formula for a(t) and simplifying, we get:
a'(t)/a(t) = 0.041
So the percent increase per year is 4.1%.
b) We want to find the time it takes for the account to triple in value, so we need to solve for t in the equation:
[tex]3a(0) = 3500e^{(0.041t)[/tex]
Dividing both sides by 3500 and taking the natural logarithm of both sides, we get:
ln(3) = 0.041t
t = ln(3)/0.041
Using a calculator, we get:
t ≈ 16.92 years
So it will take about 16.9 years for the worth of the account to triple.
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Out of a sample of 760 people, 367 own their homes. Construct a 95% confidence interval for the population mean of people in the world that own their homes. CI = (45. 31%, 51. 27%) CI = (43. 62%, 52. 96%) CI = (44. 74%, 51. 84%) CI = (46. 87%, 52. 56%)
The correct confidence interval for the population mean of people in the world who own their homes is CI ≈ (45.3%, 51.3%).
To construct a confidence interval for the population mean of people in the world who own their homes, we can use the sample data and calculate the margin of error. The confidence interval will provide an estimated range within which the true population mean is likely to fall.
Given the sample size of 760 people and 367 individuals who own their homes, we can calculate the sample proportion of individuals who own their homes as follows:
Sample proportion (p-hat) = Number of individuals who own their homes / Sample size
p-hat = 367 / 760 ≈ 0.483
To construct the confidence interval, we can use the formula:
CI = p-hat ± Z * sqrt((p-hat * (1 - p-hat)) / n)
Where:
CI = Confidence Interval
p-hat = Sample proportion
Z = Z-score corresponding to the desired confidence level (95% confidence level corresponds to a Z-score of approximately 1.96)
n = Sample size
Plugging in the values, we get:
CI ≈ 0.483 ± 1.96 * sqrt((0.483 * (1 - 0.483)) / 760)
Calculating the expression inside the square root:
sqrt((0.483 * (1 - 0.483)) / 760) ≈ 0.0153
Substituting back into the confidence interval formula:
CI ≈ 0.483 ± 1.96 * 0.0153
CI ≈ (0.483 - 0.0300, 0.483 + 0.0300)
CI ≈ (0.453, 0.513)
Therefore, the correct confidence interval for the population mean of people in the world who own their homes is CI ≈ (45.3%, 51.3%). None of the provided answer choices match the correct confidence interval.
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I…. NEEDDDD… HELPPP
According to the information, the customer would save $492 in the first year by switching to Intellivision; the customer would save $207 in the second year by using Intellivision; ElectroniSource would be cheaper in the third year.
How to calculate the annual cost for both companies?a. To calculate the annual cost for ElectroniSource: $42/month for phone service x 12 months = $504/year, $35/month for internet service x 12 months = $420/year, and $59/month for cable television x 12 months = $708/year.
So the total annual cost with ElectroniSource would be $504 + $420 + $708 = $1,632.
With Intellivision, the flat monthly fee for all three services is $95, so the total annual cost would be $95 x 12 months = $1,140.
Therefore, the customer would save $1,632 - $1,140 = $492 in the first year by switching to Intellivision.
How to calculate the best rate for the second year?b. After the first year, Intellivision raises the rates by 25%, so the new monthly fee would be $95 x 1.25 = $118.75.
The total annual cost in the second year would be $118.75 x 12 months = $1,425.
Using the same services, the annual cost with ElectroniSource would still be $1,632.
Therefore, the customer would save $1,632 - $1,425 = $207 in the second year by using Intellivision.
How to calculate the best rate for the third year?c. If Intellivision raises the rates by 16% in the third year compared to the second year, the new monthly fee would be $118.75 x 1.16 = $137.95.
The total annual cost in the third year would be $137.95 x 12 months = $1,655.4.
The annual cost with ElectroniSource would still be $1,632.
Therefore, ElectroniSource would be cheaper in the third year.
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Determine whether or not the given set is (a) open, (b) connected, and (c) simply-connected
A. {(x, y) | 0 < y < 3} B. {(x, y) |1
For set A, (a) it is not open, (b) it is connected, and (c) it is simply-connected. For set B, (a) it is open, (b) it is not connected, and (c) it is not simply-connected.
(a) For set A, any neighborhood around the point (0,3) will contain points outside the set, so it is not open. For set B, any point can be contained in a small ball that is entirely contained in the set, so it is open.
(b) For set A, any two points can be connected by a path within the set, so it is connected. For set B, the set consists of two disjoint open disks, so it is not connected.
(c) For set A, any loop in the set can be continuously shrunk to a point within the set, so it is simply-connected. For set B, there exists a loop that cannot be continuously shrunk to a point within the set (the loop that surrounds the hole in the middle), so it is not simply-connected.
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Use the Mean Value Theorem to show that if * > 0, then sin* < x.
According to the Mean Value Theorem, if a function is continuous on the interval [a, b] and differentiable on the open interval (a, b), there exists a point c in (a, b) such that the derivative at c equals the average rate of change between a and b.
To use the Mean Value Theorem to show that if * > 0, then sin* < x, we first need to apply the theorem to the function f(x) = sin x on the interval [0, *].
According to the Mean Value Theorem, there exists a number c in the interval (0, *) such that:
f(c) = (f(*) - f(0)) / (* - 0)
where f(*) = sin* and f(0) = sin 0 = 0.
Simplifying this equation, we get:
sin c = sin* / *
Now, since * > 0, we have sin* > 0 (since sin x is positive in the first quadrant). Therefore, dividing both sides of the equation by sin*, we get:
1 / sin c = * / sin*
Rearranging this inequality, we have:
sin* / * > sin c / c
But c is in the interval (0, *), so we have:
0 < c < *
Since sin x is a decreasing function in the interval (0, π/2), we have:
sin* > sin c
Combining this inequality with the earlier inequality, we get:
sin* / * > sin c / c < sin* / *
Therefore, we have shown that if * > 0, then sin* < x.
I understand that you'd like to use the Mean Value Theorem to show that if x > 0, then sin(x) < x. Here's the answer:
According to the Mean Value Theorem, if a function is continuous on the interval [a, b] and differentiable on the open interval (a, b), there exists a point c in (a, b) such that the derivative at c equals the average rate of change between a and b.
Let's consider the function f(x) = x - sin(x) on the interval [0, x] with x > 0. This function is continuous and differentiable on this interval. Now, we can apply the Mean Value Theorem to find a point c in the interval (0, x) such that:
f'(c) = (f(x) - f(0)) / (x - 0)
The derivative of f(x) is f'(x) = 1 - cos(x). Now, we can rewrite the equation:
1 - cos(c) = (x - sin(x) - 0) / x
Since 0 < c < x and cos(c) ≤ 1, we have:
1 - cos(c) ≥ 0
Thus, we can conclude that:
x - sin(x) ≥ 0
Which simplifies to:
sin(x) < x
This result is consistent with the Mean Value Theorem, showing that if x > 0, then sin(x) < x.
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I can’t seem to figure out this problem, we were dealing with stretch factors but I don’t see one (correct me if I’m wrong) and we weren’t instructed on how to deal with problems like these so any help would be appreciated!l
The solution to this quadratic function is the ordered pairs (-2.414, 0) and (0.414, 0).
How to graph the solution to this linear equation?In order to to graph the solution to the given linear equation on a coordinate plane, we would use an online graphing calculator to plot the given quadratic function and then take note of the x-intercept, zeros, or roots.
In this scenario and exercise, we would use an online graphing calculator to plot the given quadratic function as shown in the graph attached below;
f(x) = (x + 1)² - 2
Based on the graph (see attachment), we can logically deduce that the possible solutions to the given quadratic function is given by the ordered pair (-2.414, 0) and (0.414, 0).
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Complete Question:
Determine the solution to the quadratic function graphically.
aph the solution on a number line. 3x-4 > 11
A graph of the solution to this inequality 3x - 4 > 11 is shown in the image attached below.
What is a number line?In Geometry, a number line simply refers to a type of graph that is composed of a graduated straight line, which typically comprises both negative and positive numerical values (numbers) that are located at equal intervals along its length.
In this scenario and exercise, we would determine the solution to the given inequality by solving for x as follows;
3x - 4 > 11
By adding the numerical value 4 to both sides of the inequality, we have the following:
3x - 4 + 4 > 11 + 4
3x > 15
x > 15/3
x > 5.
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Note: Figure is not drawn to scale. If the route takes him 10 miles on Forrest Lane and 26 miles up Cedar Drive, how far will Anthony ride down Pine Avenue?
The distance that Anthony will ride down Pine Avenue would be D.) 24 miles .
How to find the distance ?Anthony's route distance along Pine Avenue can be calculated using the Pythagorean Theorem. This theorem confirms that in a right triangle, when one angle is 90 degrees, the sum of squares of the lengths of the two non-hypotenuse sides equals the square of length of the hypotenuse or the longest side.
Hypothenuse ² = Forrest Lane ² + Pine Avenue ²
26 ² = 10 ² + x ²
676 = 100 + x ²
x ² = 576
x = 24
In conclusion, Anthony will ride down Pine Avenue for 24 miles.
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Full question is:
Anthony was mapping out a route to ride his bike. The route he picked forms a right triangle, as shown in the picture below. If the route takes him 10 miles on Forrest Lane and 26 miles up Cedar Drive, how far will Anthony ride down Pine Avenue?
A.) 16 miles
B.) 36 miles
C.) 30 miles
D.) 24 miles
Find the maximum sum of two positive numbers (not necessarily
integers), each of which is in [1,450], and whose product is
450.
The maximum sum of two positive numbers in the range [1, 450] with a product of 450 is approximately 42.42.
How to find sum of two positive numbers?
1. Let the two numbers be x and y.
2. Given that their product is 450, we have the equation xy = 450.
3. To find the maximum sum, we will use the fact that the sum of two numbers is maximum when they are equal. So, x = y.
4. From the product equation, we get x * x = 450, which implies x^2 = 450.
5. Taking the square root of both sides, we have x = √450 ≈ 21.21 (approximately).
6. Since x = y, the maximum sum is x + y = 21.21 + 21.21 ≈ 42.42.
Therefore, the maximum sum of two positive numbers in the range [1, 450] with a product of 450 is approximately 42.42.
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Write an expression for the total volume of the building
The expression for the total volume of the building is V = L × W × H.
Volume is defined as the space occupied within the boundaries of an object in three-dimensional space.
To write an expression for the total volume of a building, we'll need to consider the dimensions of the building: length (L), width (W), and height (H). The volume of a rectangular building can be calculated using the formula:
Total Volume (V) = Length (L) × Width (W) × Height (H)
So, the expression for the total volume of the building is V = L × W × H.
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Use the Chain Rule to find Oz/as and Oz/ot. sin(e) cos(6), = st*, Q = st дz as az at 1 x
the Chain Rule to find Oz/as and Oz/ot for the expression sin(e) cos(6), we first need to break it down into its component parts.
Let u = sin(e) and v = cos(6), so that our expression becomes u*v.
Now we can find the partial derivative of Oz/as by using the Chain Rule:
Oz/as = (dOz/du) * (du/as) + (dOz/dv) * (dv/as)
Since Oz = st*, we have dOz/du = st and dOz/dv = t*, so we can substitute those values in:
Oz/as = (st) * (dcos(e)/das) + (t*) * (-sin(6)/das)
To simplify this expression, we need to find the partial derivative of u and v with respect to as:
du/as = (dcos(e)/das)
dv/as = (-sin(6)/das)
Substituting those values back into our original expression for Oz/as, we get:
Oz/as = st * du/as + t* * dv/as
Oz/as = st * (dcos(e)/das) + t* * (-sin(6)/das)
Finally, we can simplify this expression by factoring out the common factor of das:
Oz/as = (st * dcos(e) - t* * sin(6)) / das
To find Oz/ot, we can follow the same steps but with respect to ot instead of as:
Oz/ot = (dOz/du) * (du/ot) + (dOz/dv) * (dv/ot)
Since Oz = st*, we have dOz/du = st and dOz/dv = t*, so we can substitute those values in:
Oz/ot = (st) * (-sin(e)/dot) + (t*) * (-6sin(6)/dot)
To simplify this expression, we need to find the partial derivative of u and v with respect to ot:
du/ot = (-sin(e)/dot)
dv/ot = (-6sin(6)/dot)
Substituting those values back into our original expression for Oz/ot, we get:
Oz/ot = st * du/ot + t* * dv/ot
Oz/ot = st * (-sin(e)/dot) + t* * (-6sin(6)/dot)
Finally, we can simplify this expression by factoring out the common factor of dot:
Oz/ot = (-sin(e)st - 6sin(6)t*) / dot
To find ∂z/∂s and ∂z/∂t using the Chain Rule, let's first define the given functions:
1. z = st (where s and t are variables)
2. s = sin(e) (where e is a variable)
3. t = cos(θ) (where θ is a variable)
Now, apply the Chain Rule to find ∂z/∂s and ∂z/∂t:
Chain Rule states: ∂z/∂x = (∂z/∂s) * (∂s/∂x) + (∂z/∂t) * (∂t/∂x)
1. Find ∂z/∂s:
Since z = st, ∂z/∂s = t
2. Find ∂z/∂t:
Since z = st, ∂z/∂t = s
Now we have ∂z/∂s and ∂z/∂t. You can use these expressions to find the desired derivatives by substituting the given functions for s and t.
∂z/∂s = t = cos(θ)
∂z/∂t = s = sin(e)
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Use vector notation to describe the points that lie in the given configuration. (Let t be an element of the Reals.) the line passing through (−1,−1,−1) and (8,−1,6)
As an illustration, at t = 0, we obtain the point (-1, -1, -1), and at t = 1, we obtain the point (8, -1, 6), which are the line's two endpoints.
what is vector ?A vector is a dimensionless parameter in mathematics that has both its magnitude as well as its direction. A vector can be visualised geometrically as an arrow, with the direction and length of the arrow denoting the magnitude and direction of the vector, respectively. A column can be formally described as a component of a feature space. A vector space is a group of things (referred to as vectors) that may be added to and multiplied by scalars, which are often real numbers, in a way that complies with specific axioms. Flow rates, forces, and fields of electricity and magnetism are only a few of the many different types of quantities that can be represented by vectors.
given
Using vector notation, we can write the following for the line that passes through the points (-1, -1, -1) and (8, -1, 6):
r = (-1, -1, -1) + t(9, 0, 7) (9, 0, 7)
The direction of the line is indicated by the vector (9, 0, 7), which is created by deducting the position vectors of the first and second points. We may generate every point along the line by changing the value of the parameter t.
As an illustration, at t = 0, we obtain the point (-1, -1, -1), and at t = 1, we obtain the point (8, -1, 6), which are the line's two endpoints.
We obtain various places on the line for varying values of t.
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A recipe to make 4 pancakes calls for 6 teaspoon of flour. Tracy wants to make 10 pancakes using thks recipe. What equation will she needs to use to find out how many tablespoons of flour to use?
Thus, equation that Tracy needs to use to obtain the number of tablespoons of flour to use in making 10 pancakes.
Explain about the unitary method:The unitary method is a method for determining the value of one unit from the values of several units or the other way around.
The unitary approach is a strategy for problem-solving that involves first determining the value of one unit, then multiplying that value to determine the required value.
Given data:
4 pancakes ---> 6 teaspoon of flour.
For 1 pancake, divide above expression with 4 on both side.
1 pancakes ---> 6/4 teaspoon of flour.
Now, for 10 pancake, multiply above expression with 10 on both side.
10 pancakes ---> 10* 6/4 teaspoon of flour.
Thus, equation that Tracy needs to use to obtain the number of tablespoons of flour to use in making 10 pancakes.
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Write a number equivalent to x to the power of -3 using a positive exponent.
The number equivalent to x to the power of -3 using a positive exponent is 1/x³.
How can we express x to the power of -3 as a positive exponent?When a number is raised to a negative exponent, it means the reciprocal of that number is being raised to the corresponding positive exponent. In other words, x⁻³ can be written as 1/x³.
To understand why this is the case, consider the following example:
If we have x²/x⁵, we can simplify it by dividing the numerator and denominator by x². This results in 1/x³.
Therefore, any number raised to a negative exponent can be rewritten as its reciprocal raised to the corresponding positive exponent. So, x⁻³ can be rewritten as 1/x³.
When we raise a number to an exponent, we are essentially multiplying that number by itself a certain number of times. For example, 2³ means 2 multiplied by itself 3 times, which is equal to 8.
In mathematics, we can also use exponents to represent the reciprocal of a number.
The reciprocal of a number is simply 1 divided by that number. For example, the reciprocal of 2 is 1/2, and the reciprocal of 5 is 1/5.
Now, when we raise a number to a negative exponent, we are essentially raising its reciprocal to the corresponding positive exponent. This may seem a little confusing at first, but let me explain with an example:
x⁻³ = 1/(x³)
Let's verify this by simplifying the expression 1/(x³):
1/(x³) = 1/(xxx) = (1/x)(1/x)(1/x) = x⁻¹ * x⁻¹ * x⁻¹ = x⁻³
So we can see that x⁻³ is equivalent to 1/(x³), which is the reciprocal of x raised to the power of 3.
This concept of negative exponents is very useful in mathematics, as it allows us to simplify expressions and manipulate them in different ways.
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An experiment involves rolling two dice simultaneously. The following table shows the possible outcomes using the format of (die 1,die 2).
1 2 3 4 5 6
1 (1,1) (1,2) (1,3) (1,4) (1,5) (1,6)
2 (2,1) (2,2) (2,3) (2,4) (2,5) (2,6)
3 (3,1) (3,2) (3,3) (3,4) (3,5) (3,6)
4 (4,1) (4,2) (4,3) (4,4) (4,5) (4,6)
5 (5,1) (5,2) (5,3) (5,4) (5,5) (5,6)
6 (6,1) (6,2) (6,3) (6,4) (6,5) (6,6)
What is the probability of rolling two numbers with a sum that is less than 7?
The probability of rolling two numbers with a sum less than 7 when rolling two dice simultaneously is 5/12.
From the given table, there are 36 possible outcomes when rolling two dice (6 sides on each die, so 6 x 6 = 36).
Now, let's identify the outcomes where the sum is less than 7:
(1,1) (1,2) (1,3) (1,4) (1,5)
(2,1) (2,2) (2,3) (2,4)
(3,1) (3,2) (3,3)
(4,1) (4,2)
(5,1)
There are 15 outcomes where the sum is less than 7.
To calculate the probability, we can use the formula:
Probability = (Number of desired outcomes) / (Total number of outcomes)
In this case, the probability of rolling two numbers with a sum less than 7 is:
Probability = 15 / 36 = 5 / 12
So, the probability of rolling two numbers with a sum less than 7 is 5/12.
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In △def, d = 20, e = 25, and f = 30. find m∠f to the nearest degree.
m∠f to the nearest degree is 83°.
The Law of Cosines is used to find an angle when all triangle sides are known.
f² = d² +e² -2de cos(F)
To find angle ∠F, we need to find the value of cos(∠F), which we can do by rearranging the Law of Cosines as follows:
cos(F) = (d² +e² -f²) / (2de)
cos(F) = (20² + 25² - 30²) / (2 × 20 × 25)
cos(F) = (400 + 625 - 900) / (1000)
cos(F) = 125/1000
∠F = arccos(1/8)
∠F = 82.8°
Rounding to the nearest degree
∠F = 83°
Hence, m∠f to the nearest degree is 83°.
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After some not so high practice dives by the circus owner, the circus performers decide to do a practice run of the show with the diver himself. but they decide to set it up so they will not have to worry about a moving cart. instead, the cart containing the tub of water is placed directly under the ferris wheel’s 11o’clock position. as usual, the platform passes the 3o’clock position at t=0
how many seconds will it take for the platform to reach the 11 o’clock position?
what is the diver’s height off the ground when he is at the 11 o’clock position?
radius = 50 ft
center of wheel is 65 feet off ground
turns counterclockwise at a constant speed, with a period of 40 seconds.
platform is at 3 o’clock position when it starts moving
The ferris wheel will take a total time of 10 seconds for the platform to reach the 11 o'clock position and the diver's height off the ground when he is at the 11 o'clock position is 50 feet.
To determine the time it takes for the platform to reach the 11 o'clock position and the diver's height off the ground, we will use the given information about the ferris wheel.
1. The ferris wheel has a radius of 50 ft and turns counterclockwise at a constant speed with a period of 40 seconds.
2. The center of the wheel is 65 ft off the ground.
3. The platform is at the 3 o'clock position when it starts moving (t=0).
The ferris wheel has a period of 40 seconds, which means it takes 40 seconds for it to make a full rotation. The distance between the 3 o'clock position and the 11 o'clock position is 90 degrees out of 360, which is one-fourth of the total distance around the circle.
Therefore, it will take 1/4 of the total time for the platform to reach the 11 o'clock position, which is 40/4 = 10 seconds.
To find the diver's height off the ground at the 11 o'clock position, we can use the sine function. Let's call the angle formed by the radius from the center of the ferris wheel to the diver and the radius from the center of the ferris wheel to the 3 o'clock position θ.
Since the platform starts at the 3 o'clock position and rotates counterclockwise, θ will increase as time passes. At the 11 o'clock position, θ will be 90 degrees.
We know that the radius of the ferris wheel is 50 feet and the center of the ferris wheel is 65 feet off the ground. Let's call the height of the diver off the ground h. Then we have:
sin θ = h / (50 ft)
h = (50 ft) * sin θ
At the 11 o'clock position, θ = 90 degrees, so we have:
h = (50 ft) * sin 90°
h = 50 ft
Therefore, the diver's height off the ground when he is at the 11 o'clock position is 50 feet.
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(0,1),(5,2),(2,-3),(-3,-3),(-5,3) range and domain
The domain of the set of points {(0,1),(5,2),(2,-3),(-3,-3),(-5,3)} is {0, 5, 2, -3, -5}, and the range is {-3, 1, 2, 3}.
What is the range and domain of the relation?Given the relations in the question:
(0,1), (5,2), (2,-3), (-3,-3), (-5,3)
To determine the domain and range of a set of points, we need to look at the x-coordinates of the points to determine the domain, and the y-coordinates of the points to determine the range.
{(0,1),(5,2),(2,-3),(-3,-3),(-5,3)}
The x-coordinates of these points are: 0, 5, 2, -3, and -5.
Therefore, the domain of this set of points is:
Domain = {0, 5, 2, -3, -5}
The y-coordinates of these points are: 1, 2, -3, and 3.
Therefore, the range of this set of points is:
Range = {-3, 1, 2, 3}
Therefore, the domain is {0, 5, 2, -3, -5}, and the range is {-3, 1, 2, 3}.
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Write a recursive rule for the sequence [tex]a_{n}[/tex] = 17 - 4n
The recursive sequence are: 17, 13, 9, 5, 1.
The recursive rule for the sequence [tex]a_{n}[/tex] = 17 - 4n is
[tex]a_{1[/tex] = 17
[tex]a_{n}[/tex] = [tex]a_{n-1}[/tex] - 4 for n ≥ 2
Using this rule, we can find the first few terms of the sequence
[tex]a_{1[/tex] = 17
[tex]a_{2}[/tex] = [tex]a_{1[/tex] - 4 = 17 - 4 = 13
[tex]a_{3}[/tex] = [tex]a_{2}[/tex] - 4 = 13 - 4 = 9
[tex]a_{4}[/tex] = [tex]a_{3}[/tex] - 4 = 9 - 4 = 5
[tex]a_{5}[/tex] = [tex]a_{4}[/tex] - 4 = 5 - 4 = 1
and so on.
Therefore, the recursive sequence are: 17, 13, 9, 5, 1.
The question is incorrect and correct question is '' Write a recursive sequence that represents the sequence defined by the following explicit formula [tex]a_{n}[/tex] = 17 - 4n and find [tex]a_{1[/tex] and [tex]a_{n}[/tex] ''.
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find the area of the circle
with steps pls
x = 3/8.
Starting from the left side of the equation:
2(x+1) - 3(x-2) = 7x + 5
Simplify the expressions in parentheses:
2x + 2 - 3x + 6 = 7x + 5
Combine like terms:
x + 8 = 7x + 5
Subtract 7x from both sides:
-8x + 8 = 5
Subtract 8 from both sides:
-8x = -3
Divide both sides by -8:
x = 3/8
Therefore, the solution to the equation is x = 3/8.
Answer: M=3
Step-by-step explanation:
Given:
tangent =4cm
secant outside of circle = 2 cm
Find:
M is secant inside of circle
Theorem:
Tangent-Secant Theorem => tangent² =(secant outside)(full secant)
Solution and Set up:
4²=(2)(2+M) >Set up from theorem, square 4 and distribute
16=4+4M >subtract 4 from both sides
12 = 4M >divide both sides by 4
M=3
Find the volume of the triangular prism, whose
base is an isosceles triangle where the equal
sides are 12cm an the angle between them is
130 degrees. The height of the prism is
15cm.
Round to 3 significant figures
The evaluated volume of the given triangular prism is 956 cm³, considering that base is a form of isosceles triangle in which the equal sides are 12cm and the angle between them is 130 degrees.
The volume of a triangular prism can be calculated by multiplying the base area by the height of the prism. The base of the triangular prism is an isosceles triangle with equal sides of 12 cm and an angle between them of 130 degrees.
The area of an isosceles triangle can be calculated using the formula
(b/4) × √(4a² - b²),
here
a = length of the equal sides and b is the length of the third side.
For the given case,
a = 12 cm
b = 12 ×sin(65) cm
≈ 10.9 cm.
Hence,
the area of the base is
(10.9/4) × √(4× 12² - 10.9²) cm²
≈ 63.7 cm².
Hence, the height of the prism is 15 cm.
Now,
15 × 63.7
= 956 cm³
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The complete question is
Find the volume of the triangular prism, whose base is an isosceles triangle where the equal sides are 12cm an the angle between them is 130 degrees. The height of the prism is 15cm. Round to 3 significant figures
60 juniors and sophomores were asked whether or not they will attend the prom this year. The data from the survey is shown in the table. Find P(will attend the prom|sophomore).
Attend the prom Will not attend the prom Total
Sophomores 10 17 27
Juniors 24 9 33
Total 34 26 60
The probability of a sophomore attending the prom, given that they were selected from the group of sophomores, is:
P(will attend the prom|sophomore) = (number of sophomores attending the prom) / (total number of sophomores)
From the table, we see that the number of sophomores attending the prom is 10, and the total number of sophomores is 54 (10 + 17 + 27). Therefore:
P(will attend the prom|sophomore) = 10 / 54
Simplifying the fraction, we get:
P(will attend the prom|sophomore) = 5 / 27
So the probability of a sophomore attending the prom is 5/27 (18.519%).
LT 18.1
The radius of Circle A below is 11 millimeters and the measure of < BAC is 60°.
What is the length of Arc BC, to the nearest millimeter?
A. 12 mm
B. 24 mm
C. 6 mm
D. 3 mm
[tex]\textit{arc's length}\\\\ s = \cfrac{\theta \pi r}{180} ~~ \begin{cases} r=radius\\ \theta =\stackrel{degrees}{angle}\\[-0.5em] \hrulefill\\ r=11\\ \theta =60 \end{cases}\implies s=\cfrac{(60)\pi (11)}{180}\implies s=\cfrac{11\pi }{3}\implies s\approx 12~mm[/tex]
Answer: 12mm
Step-by-step explanation:
Basically, you will find the circumference of the entire circle and then using that find the length of the arc.
So the circumference of the circle is its radius (11) times pi multiplied by 2.
2(11 x 3.14) = 69.08
Now a circle is always 360 degrees and the angle of the sector is 60 degrees.
So we have our circumference and we only need that small portion, so you take and make it a fraction and multiply by the circumference to find the length of that small portion:
60/360 x 69.08 = 11.51
Rounded = 12
y were surveyed on questions regarding their educational background (college degree or no college degree) and marital status (single or married). of the 600 employees, 400 had college degrees, 100 were single, and 60 were single college graduates. find the probability that
The value is calculated by dividing the total number of occurrences by 200 favourable examples that do not possess a college degree is 0.33 is the determined probability value.
The favourable number of cases is 200.
The total number of cases is 600.
The calculation of the required probability is,
Probability = Favourable cases Total number of cases 200 600 = 0.33
Occurrences refer to events or incidents that happen in a particular time or place. These events can be both positive and negative and can occur in various contexts, such as personal experiences, historical events, natural phenomena, and scientific observations.
Occurrences can be significant or insignificant, depending on their impact on individuals or society as a whole. Some occurrences may be routine and expected, while others may be unexpected and unpredictable. The study of occurrences is important in many fields, including history, sociology, psychology, and environmental science. By analyzing past occurrences, researchers can gain insights into patterns of behavior and trends that can inform future decisions and policies.
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Complete Question:-
The employees of a company were surveyed on questions regarding their educational background (college degree or no college degree) and marital status (single or married). Of the 600 employees, 400 had college degrees, 100 were single, and 60 were single college graduates. The probability that an employee of the company does not have a college degree is:
