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Leya [2.2K]
3 years ago
14

The volume of a cylinder is 980 pi The height of the cylinder is 20 in. What is the radius of the cylinder?

Mathematics
1 answer:
AlexFokin [52]3 years ago
7 0
█ Question █

The volume of a cylinder is 980 pi The height of the cylinder is 20 in. What is the radius of the cylinder?

█ Explanation <span>█
</span>
We know the volume of the cylinder and the height, too. We are looking to find the radius. Do the following equation that is posted in the screenshot. 

Answer: The radius is 7

<span>Hope that helps! ★ <span>If you have further questions about this question or need more help, feel free to comment below or leave me a PM. -UnicornFudge aka Nadia </span></span>

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I don't have a question but I was wondering if you could check my work
cestrela7 [59]

The mean of a data sample can be found by adding all the terms in the data sample and dividing the result by the number of terms. In the first case we have the following data sample:

12,8,15,11,9

The mean of this sample is:

\operatorname{mean}=\frac{12+8+15+11+9}{5}=\frac{55}{5}=11

The mean absolute deviation is the sum of the differences between each data value and the mean, divided by the number of data values, the formula is:

MAD=\frac{\sum ^{}_{}\mleft|x_i-\bar{x}\mright|}{n}

Therefore, we must calculate the positive difference between each value and the mean, add them up, and divide the result by the number of data points in the sample. In the case of the first sample we get:

\text{MAD}=\frac{(12-11)+(11-8)+(15-11)+(11-9)}{5}

Solving the operation:

\text{MAD}=\frac{10}{5}=2

If done this way, all the results for each data set must be correct.

8 0
1 year ago
Identify the variables in this Algebraic Expression<br> X+ 4y - 9
Lesechka [4]

Answer:

The expression x + 4y - 9 has two variables x and y.

Step-by-step explanation:

<u>What is a variable?</u>

A variable is a letter, for instance x or y, that represents an unknown number.

Given the expression

x + 4y - 9

The given expression has three terms which are x, 4y, and -9.

Here:

  • The term 'x' is the unknown variable x.
  • The term '4y' has a coefficient (the number next to a variable y) of 4.
  • The term '-6' is a constant.

As we already know that a variable is a letter, for instance x or y, that represents an unknown number. In other words, the values of x, or y are unknown to us.

Thus, the expression x + 4y - 9 has two variables x and y.

5 0
3 years ago
I am between 24 and 34 . you say my name when you count by twos from zero. you say my name when you count by fives from zero. wh
jonny [76]
The answer is 30

2 * 15 = 30
5 * 6 = 30
30 is between 24 and 34
4 0
3 years ago
A player rolls a pair of standard dice. Find the probability P(sum is at least 3)
Nezavi [6.7K]
D because there are 6 sides to a dice and there are 3 options where the number is bigger than 3. Therefore 3/6 = 15/30
8 0
3 years ago
Mario made a table with the rules below
Lady_Fox [76]
  • It will be option A.
  • x - coordinate is 1. If we multiply 3 with 1, it will be 3. And if we multiply 3 with 3, it will be 9.
  • y- coordinate is 1. If we add 3 with 1, it will be 4. And adding 3 with 4, we get 7.

<u>Answer:</u>

<u>a- (1,1) (3,4) (9,7)</u>

Hope you could get an idea from here.

Doubt clarification - use comment section.

6 0
2 years ago
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