The radius of the cylinder is 10 centimetres according to stated dimensions of the cylinder.
The volume of the cylinder is given by the formula-
Volume = πr²h, where r refers to radius of the circle. Keep the values in formula to find the value of radius of the cylinder
1600π = πr²×16
Cancelling π and 16 common on both sides of the equation.
r² = 100
r = ✓100
Taking square root on Right Hand Side of the equation to find the radius of the cylinder
r = 10 centimetres
Hence the radius is 10 centimetres.
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the president of a large company recommends that employees perform, on average, 24 hours of community service each year. the president believes that the mean number of hours of community service performed last year was different from the recommended 24 hours. to estimate the mean number of hours of community service performed last year, the president obtained data from a random sample of employees and used the data to construct the 95 percent confidence interval (20.37, 23.49). if all conditions for inference were met, does the interval provide convincing statistical evidence, at a level of significance of
If all conditions for inference were met, does the interval provide convincing statistical evidence, at a level of significance of 95%, that the mean number of hours of community service performed last year was indeed different from the recommended 24 hours.
To determine if the 95% confidence interval provides convincing statistical evidence at a level of significance that the mean number of hours of community service performed last year was different from the recommended 24 hours, we'll analyze the constructed interval (20.37, 23.49).
1. First, observe the given confidence interval: (20.37, 23.49)
2. Identify the recommended average of 24 hours by the president.
3. Check if the recommended average is within the confidence interval.
Since 24 hours is not within the interval (20.37, 23.49), it provides convincing statistical evidence, at a level of significance of 95%, that the mean number of hours of community service performed last year was indeed different from the recommended 24 hours.
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please help me on this
Answer:
reflection across the y- axis
Step-by-step explanation:
Under a reflection in the y- axis
a point (x, y ) → (- x, y )
Thus
The given transformation rule (x, y ) → ( - x, y )
Represents a reflection in the y - axis
when respondents are asked to place local shopping malls so that their first choice is 1, their second choice is 2, and so forth, this is best-described as an example of a(n) scale.
When respondents are asked to rank local shopping malls so that their first choice is 1, their second choice is 2, and so forth, this is best described as an example of an ordinal scale.
An ordinal scale is a sort of measuring scale that enables the researcher to rank or arrange the responses in a certain sequence, but it does not reveal the extent of the variations between the replies. In comparison to the nominal scale, the ordinal scale provides a higher degree of measurement because the given numerals serve to both identify the item and denote its place in the ordered list.
In the given case, the ranking of retail centres which namely first, second, third, etc. are an example of an ordinal scale since it enables us to arrange the replies but does not reveal the precise distinctions between each ranking.
Complete Question:
When respondents are asked to rank local shopping malls so that their first choice is 1, their second choice is 2, and so forth, this is best-described as an example of a(n) ______ scale.
A. ordinal B. ratio
C. interval D. nominal
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the heights, in inches, of orangutans are normally distributed with an unknown population mean. a random sample results in a 95% confidence interval of (52,58) inches. what is the correct interpretation of the 95% confidence interval? select the correct answer below: we estimate with 95% confidence that the sample mean is between 52 and 58 inches. we estimate that 95% of orangutans have a height between 52 and 58 inches. we estimate with 95% confidence that the true population mean is between 52 and 58 inches.
The correct interpretation of the 95% confidence interval is:
"We estimate with 95% confidence that the true population mean height of orangutans is between 52 and 58 inches."
What is statistics?
Statistics is a branch of mathematics that deals with the collection, analysis, interpretation, presentation, and organization of numerical data. It involves the use of methods and techniques to gather, summarize, and draw conclusions from data.
The confidence interval provides a range of values within which the true population mean height is likely to fall with a 95% level of confidence. It does not provide information about individual orangutans' heights or the sample mean's precise location within the interval.
Therefore, The correct interpretation of the 95% confidence interval is:
"We estimate with 95% confidence that the true population mean height of orangutans is between 52 and 58 inches."
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Using money to systematically target those who may be vulnerable due to their low financial status can be considered coercion and it breaches which one of the following four ethical principles?
a. Beneficence b. Justice c. Respect for Autonomy d. Non-maleficence
Option B, Justice is one of four ethical concepts. The definition states that there must be fairness in all medical judgments.
Four ethical principles: autonomy, benevolence, harmlessness, and justice. Each of these principles serves a specific purpose, but all four work together to empower you as healthcare professionals and ensure that your patients receive high-quality, ethical care.
The literal concept of autonomy and the medical concept of autonomy diverge and intersect. Charity is an act of compassion or mercy. The activities of all healthcare workers should always be positive. Of the four principles of medical ethics, harmlessness is the most important.
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sarah work at a concession stand for 2 hours and erans 22.50$, but if she works for 4 hours she earns $45. what is the rate of change
Answer:
$15.50/(2 h) = $7.75/h = $31.00/(4 h)
Sarah makes $7.75 per hour.
_____
While you might be interested in hours per dollar, the customary way to express earnings is in dollars per hour. Either is a "rate of change."
A triangular prism is 12 meters long and has a triangular face with a base of 8 meters and a height of 9 meters. What is the volume of the triangular prism?
The volume of the triangular prism is 216 cubic meters.
To find the volume of a triangular prism, we need to multiply the area of the triangular base by the length of the prism.
Calculate the area of the triangular base.
The base of the triangular face is given as 8 meters, and the height is 9 meters. We can use the formula for the area of a triangle: area = (1/2) * base * height.
Plugging in the values, we get:
Area = (1/2) * 8 meters * 9 meters = 36 square meters.
Multiply the area of the base by the length of the prism.
The length of the prism is given as 12 meters.
Volume = area of base * length of prism = 36 square meters * 12 meters = 432 cubic meters.
Adjust for the shape of the prism.
Since the prism is a triangular prism, we need to divide the volume by 2.
Adjusted Volume = (1/2) * 432 cubic meters = 216 cubic meters.
Therefore, the volume of the triangular prism is 216 cubic meters.
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please answer the question below, will give brainliest to first answer :)
Answer:
None of these answers are correct
Step-by-step explanation:
neither of them are rays.
a ray goes from the center to the edge of a circle.
Please help (I keep getting links-)
What is the equation of the line in slope intercept form?
Write your answer using integers, proper fractions, and improper fractions in simplest form.
Answer:
y = -x
Step-by-step explanation:
(0, 0) and ( -100, 100)
m= (y2-y1)/(x2-x1)
m=(100-0)/( -100 -0)
m = 100/ -100
m = -1
y - y1 = m(x - x1)
y - 0 = -1(x - 0)
y - 0 = -x + 0
y = -x
If samples of mercury and silver each had volumes equal to 1 cm3, which would have the greater mass, and how much would the difference in masses be?
Answer:
wait iyiyiyiyiyiyiyiyiyiyiyiyiyiyiyiiyiyiyiyyiy
Step-by-step explanation:
working on it lol
What is the area of the triangle?
8
10
6
units
2
IF U GET THE ANSWER THABK YOU AO MUCH
Answer:
24
Step-by-step explanation:
multiply base x height
what is the height of the candle after 7 hours
Let
y -----> candle heigh in centimeters
x ----> burning time in hours
In this problem we have the ordered pairs
(5,22.5) and (17,16.5)
step 1
Find out the slope
m=(16.5-22.5)/(17-5)
m=-6/12
m=-1/2 -----> is negative because is a decreasing function
step 2
Find out the equation in slope-intercept form
y=mx+b
we have
m=-1/2
point (5,22.5)
substitute
22.5=-(1/2)(5)+b
solve for b
b=22.5+2.5
b=25
therefore
y=-(1/2)x+25
step 3
For x=7 hours
substitute in the equation
y=-(1/2)(7)+25
y=-3.5+25
y=21.5 cman automobile manufacturer claims that their van has a 57.2 miles/gallon (mpg) rating. an independent testing firm has been contracted to test the mpg for this van. after testing 91 vans they found a mean mpg of 56.9 with a standard deviation of 1.8 mpg. is there sufficient evidence at the 0.025 level that the vans underperform the manufacturer's mpg rating? state the null and alternative hypotheses for the above scenario.
The null and alternative hypotheses for the above scenario are
H0: Their van has a miles/gallon (MPG) rating equal to 57.2 miles/gallon
Ha: Their van has a miles/gallon (MPG) rating that is different from 57.2 miles/gallon
Given that,
One automaker says that their van gets 57.2 miles per gallon (mpg). An impartial testing business has been hired to evaluate the mpg for this van. They tested 91 vans, and the results showed that the average mileage was 56.9 with a standard deviation of 1.8 mpg. Is there adequate proof that the vans don't meet their mpg rating at the 0.025 level
To find: state the null and alternative hypotheses for the above scenario.
The null and alternative hypotheses for the above scenario are
H0: Their van has a miles/gallon (MPG) rating equal to 57.2 miles/gallon
Ha: Their van has a miles/gallon (MPG) rating that is different from 57.2 miles/gallon
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What is...
2 + 2?
yes this is for easy points
Answer: 4?
Step-by-step explanation: hehe
(is brainliest to much to ask for?) THaNK YOU
Answer:
2+2=4
Thanks for points!! :)
12. The work on the right demonstrates all of the following EXCEPT (A) an interest in individual expression (B) a dependence on Classical prototypes (C) a limited use of shading and volume (D) a strong linear sense
The artwork described seems to exhibit all of the following characteristics EXCEPT B. a dependence on Classical prototypes.
This suggests that the artist's style is more focused on individual expression (A), with a unique approach to their subject matter, rather than relying on traditional styles or motifs from the Classical period.
Additionally, the artwork demonstrates a limited use of shading and volume (C), which might indicate a more simplified or stylized approach to form and depth. This characteristic might be a deliberate choice by the artist to emphasize certain elements or create a specific visual effect.
Furthermore, the strong linear sense (D) present in the work implies that the artist has prioritized clean, well-defined lines to establish the shapes and contours of the subjects. This approach can contribute to the overall clarity and structure of the composition.
To sum up, the artwork in question seems to prioritize individual expression, simplified shading and volume, and a strong linear sense, while not depending heavily on Classical prototypes for its inspiration.
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last math question i think
Answer:
B
Step-by-step explanation:
since shipping company a is 7 dollars plus 0.5 per pound we write it like
7+0.5x=y
And the second one is similar but it’s 11 plus 0.25 for each pound
11+0.25x=y
Therefore b is the best graph
Hopes this helps
HELP ASAP, WILL MARK FIRST ANSWER BRAINLIEST,
An experiment is conducted with a bag of marbles containing 5 white and 2 blue marbles. The results of a marble being drawn twice and replaced 100 times are shown in the table.
Outcome Frequency
White, White 27
White, Blue 22
Blue, Blue 18
Blue, White 33
Find P(no blue).
25 over 100
27 over 100
33 over 100
75 over 100
Answer:
75 over 100
Step-by-step explanation:
To find the probability of "no blue," we need to find the probability of drawing two white marbles. The probability of drawing a white marble in one draw is 5/7. So, the probability of drawing two white marbles is (5/7) * (5/7) = 25/49.
Therefore, the probability of "no blue" is 25/49 = 25/100 = 25%.
So, the answer is D. 75 over 100.
Answer: 27/100 or twenty-seven over one hundred
Step-by-step explanation:
We are trying to find the outcome that does not contain blue. The only one that does not contain blue is (White, White) (27)
Therefore 27/100 is the right answer because it does not have any blue.
Find the probability of randomly selecting a red, then a free marble from a bag of 5 red, 8 green, and 3 marbles when (a) you replace the first marble before drawing the second, and (b) you do not replace the first marble. Then, compare the probability. Round your answers to four decimals places
The probability of randomly selecting a red, then a free marble from a bag of 5 red, 8 green, and 3 marbles
a) 0.1563
b) 0.1667
Since we are given with bag of 5 red, 8 green, and 3 marbles. so, r=5, g=8 and b= 3. For the first case, we replace the first marble before drawing the second, the total number of marble = 5 + 8 + 3 = 16. So, the probability of drawing a red marble at the 1st attempt is: 5/16. Then, the first marble is replaced back into the bag before making the second draw. Probability of drawing green marbles at the second draw is: 8/16= 1/2, Therefore the probability of selecting a red, then a green marble is: 5/16 * 1/2 = 5/32 =0.1563
For the second case , we do not replace the first marble, the probability of drawing a red marble at the 1st draw is:5/16 . Since we don't replace the balls so the number of marbles remaining in the bag is: 16-1 =15 ,the probability of drawing green marbles at the second draw is: 8/15, therefore the combined probability of selecting a red, then a green marble is: 5/16 * 8/15 =0.1667
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A sample of scores has mean of M 26, median of 28, and a mode of 29 What is the most Iikely shape for the sample distribution? a. Symmetrical b. positively skewed c. negatively skewed d. cannot be determined from the information given
The most likely mean for the sample distribution is option c. negatively skewed.
Based on the given information, we know that the mean (M) is less than both the median and the mode. This suggests that the distribution is skewed to the left (negatively skewed), with a long tail on the left side of the distribution.
The mean of a sample distribution is the average value of all the observations or measurements in the sample. It is calculated by adding up all the values in the sample and dividing the sum by the total number of observations in the sample.
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Use the definition of Taylor series to find the Taylor series (centered at c ) for the function. f(x)=e 4x
,c=0 f(x)=∑ n=0
[infinity]
The answer is , the Taylor series (centered at c=0) for the function f(x) = e^(4x) is given by:
\($$\large f(x) = \sum_{n=0}^{\infty} \frac{4^n}{n!}x^n$$\)
The Taylor series expansion is a way to represent a function as an infinite sum of terms that depend on the function's derivatives.
The Taylor series of a function f(x) centered at c is given by the formula:
\(\large f(x) = \sum_{n=0}^{\infty} \frac{f^{(n)}(c)}{n!}(x-c)^n\)
Using the definition of Taylor series to find the Taylor series (centered at c=0) for the function f(x) = e^(4x), we have:
\(\large e^{4x} = \sum_{n=0}^{\infty} \frac{e^{4(0)}}{n!}(x-0)^n\)
\(\large e^{4x} = \sum_{n=0}^{\infty} \frac{4^n}{n!}x^n\)
Therefore, the Taylor series (centered at c=0) for the function f(x) = e^(4x) is given by:
\($$\large f(x) = \sum_{n=0}^{\infty} \frac{4^n}{n!}x^n$$\)
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The Taylor series for f(x) = e^(4x) centered at c = 0 is:
f(x) = 1 + 4x + 8x^2 + 32x^3/3 + ...
To find the Taylor series for the function f(x) = e^(4x) centered at c = 0, we can use the definition of the Taylor series. The general formula for the Taylor series expansion of a function f(x) centered at c is given by:
f(x) = f(c) + f'(c)(x - c) + f''(c)(x - c)^2/2! + f'''(c)(x - c)^3/3! + ...
First, let's find the derivatives of f(x) = e^(4x):
f'(x) = d/dx(e^(4x)) = 4e^(4x)
f''(x) = d^2/dx^2(e^(4x)) = 16e^(4x)
f'''(x) = d^3/dx^3(e^(4x)) = 64e^(4x)
Now, let's evaluate these derivatives at x = c = 0:
f(0) = e^(4*0) = e^0 = 1
f'(0) = 4e^(4*0) = 4e^0 = 4
f''(0) = 16e^(4*0) = 16e^0 = 16
f'''(0) = 64e^(4*0) = 64e^0 = 64
Now we can write the Taylor series expansion:
f(x) = f(0) + f'(0)(x - 0) + f''(0)(x - 0)^2/2! + f'''(0)(x - 0)^3/3! + ...
Substituting the values we found:
f(x) = 1 + 4x + 16x^2/2! + 64x^3/3! + ...
Simplifying the terms:
f(x) = 1 + 4x + 8x^2 + 32x^3/3 + ...
Therefore, the Taylor series for f(x) = e^(4x) centered at c = 0 is:
f(x) = 1 + 4x + 8x^2 + 32x^3/3 + ...
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Write the slope-intercept form of the equation of the line perpendicular to the
graph of 2x-y=6 that passes through the point (-4,1).
Answer:
12x=4y........................................
A baby gains 11 pounds in its first year of life. The baby gained 45 pounds during the first four months and 3 pounds in
4
its second four months. How much did the baby gain in the last four months?
o 3 apo
pounds
O
1
3
2 pounds
O O
4 pounds
O 5 pounds
Answer:
4 pound is the right answer
Mark me as a brilliant
A bag contains marbles of four different colors:
• 8 blue marbles
• 24 red marbles
• 16 green marbles
.
4 yellow marbles
The probability of picking a blue marble at random out of the bag is
::
..
2
13
::
8
11
!:
Answer:
1/6
Step-by-step explanation:
PLEASE MARK AS BRAINLIEST
The probability of getting a blue marble is 0.15.
What is probability?The probability of an event is a number that indicates how likely the event is to occur.
Given that, a bag contains marbles of four different colors: 8 blue marbles, 24 red marbles, 16 green marbles and 4 yellow marbles,
We need to find the probability of picking a blue marble at random out of the bag,
Probability(Event) = Favorable Outcomes / Total Outcomes
Favorable Outcomes = 8
Total Outcomes = 52
Therefore,
P(blue marble) = 8/52 = 0.15
Hence, the probability of getting a blue marble is 0.15.
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Emma has $0.95 in dimes and nickles. She has five more dimes than nickles. How many coins of each type does she have?
Answer:
3 nickels and 8 dimes
Step-by-step explanation:
3 nickels equals 15
3 plus 5 equals 8
8 dimes equals 80
80 plus 15 equals 95
so ur answer is 3 nickels and 8 dimes
Ade is baking mini-loaves of bread. How many mini-loaves could he make with 10 cups of flour?
Cups of Flour Mini-Loaves
2 5
3 7.5
4 10
10 □
PLEASE HELP ITS URGET
there's also option,
D. The y-intercept is -3
E. The equation of the line is y=-3x
Answer:
A. Yes, the relationship is proportional
B. No, the slope is -3
C. Yes, the slope is negative
D. No, the y intercept is 0
E. Yes, the equation is y=-3x.
Answer
The answer is A C and E
Step-by-step explanation:
Mutiplylng an even number of negative numbers glves an answer that Is?
Answer:
A positive number is obtained
Step-by-step explanation:
Answer:
You would get a positave number
Step-by-step explanation:
Gabrielle and Joni each wrote a fraction equivalent to 60/105 using the
greatest common factor. Gabrielle says the equivalent fraction is 12/21
Joni says the equivalent fraction is 4/7. Who is correct? Explain. Use the
GCF of the numerator and denominator of 60/105 to justify your answer.
Gabrielle is the correct one.
What are greatest common factor?The largest positive integer m that divides both x and y is the GCF of two or more non-zero integers, x, and y. The GCF stands for the greatest common factor. Here, greatest might be changed to highest, and factor to divisor. Therefore, the greatest common factor is often referred to as the highest common divisor )(HCD), highest common factor (HCF), or greatest common divisor (GCD.
Fractions, which are frequently employed in daily life, are almost always utilized with GCF. Finding the GCF of the denominator and numerator will allow you to obtain the necessary reduced form for simplifying a fraction or ratio. The greatest number that can divide two numbers x and y is their GCF.
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a school pays 1,852 for 150 shirts . this includes the 25$ flat-rate shipping costs. c. what are the initial value and rate of change of the function? what does each on represent
Therefore, the initial value of the function is $1,852 and the rate of change is $12.18 per shirt. The initial value represents the cost of the shirts before any were purchased,
What is function?In mathematics, a function is a rule that assigns to each element in a set called the domain, a unique element in another set called the range. In other words, a function is a mathematical object that takes an input and produces a specific output, according to a specific set of rules or operations.
by the question.
et the initial value be represented by a and the rate of change by r.
The given information can be represented by the following equation:
a + 150r = 1,852
Since the flat-rate shipping cost is $25, the cost of the 150 shirts alone would be:
a + 150r - 25 = 1,827
The initial value, a, represents the cost of the shirts before any shirts were purchased. In this case, it would be the cost of the shirts if no shirts were purchased plus the flat-rate shipping cost of $25.
So, a = 1,827 + 25 = 1,852.
The rate of change, r, represents the increase in cost for each additional shirt purchased. In this case, it would be the cost of one shirt.
So, r = (1,852 - 25)/150 = 12.18.
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What are the solutions of the equation (x 2)2 – 2(x 2) – 15 = 0? use u substitution to solve.
The solution of the equation is x=3 or x=-5.
Given that the equation is (x+2)²-2(x-+2)-15=0 and use u substitution method to solve.
Let's assume that the (x+2)=u.
The given equation is rewritten as u²-2u-15=0.
Factorize the quadratic equation by adding or subtracting two number that gives the sum of -2u and product 15u² as
u²-5u+3u-15=0
u(u-5)+3(u-5)=0
Taking out (u-5) as common and get
(u-5)(u+3)=0
Compare each equation with 0 and get
u-5=0 or u+3=0
u=5 or u=-3
Performing back substitution by substituting the values of u in x+2
when u=5 then x is
x+2=5
x=3
And when u=-3 then x is
x+2=-3
x=-5
Hence, the solutions of the (x+2)²-2(x-+2)-15=0 is x=3 and x=-5.
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Answer:X=-5 and X=3
Step-by-step explanation: