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meriva
3 years ago
11

Domain and range? Typically I understand domain and range but these graphs are vague in detail. If someone could help that'd be

great

Mathematics
1 answer:
brilliants [131]3 years ago
6 0
What do you mean? Oh oh oh I used to do this, what grade you it?
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The national weather service keeps records of rainfall in valleys. Records indicate that in a certain valley the annual rainfall
Setler79 [48]

Answer:

The mean is 95 and the standard deviation is 2

Step-by-step explanation:

Central Limit Theorem

The Central Limit Theorem estabilishes that, for a normally distributed random variable X, with mean \mu and standard deviation \sigma, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}.

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

In this question:

Population:

Mean 95, Standard deviation 12

Samples of size 36:

By the Central Limit Theorem,

Mean 95

Standard deviation s = \frac{12}{\sqrt{36}} = 2

4 0
2 years ago
What is the volume of a cube with a side length of 5?
larisa [96]

Answer:

125

Step-by-step explanation:

L x W x H

All are equal sides so 5 are all the lengths of each side of the cube.

6 0
3 years ago
1. Devin is making a candle by pouring melted wax into a mold in the shape of a square pyramid with base sides of 9 cm and the h
Tasya [4]
The number of cubes that Devin will need to make will be given by:
(volume of each pyramid wax)/volume of cube
volume of cube=length*width*height
                        =4×4×4
                        =64 cm³
volume of the candle=1/3π*(base area)*h
=1/3×(9×9)×10
=270 cm³
number of cubes needed
270/64
=4.21875~4.23 cubes
8 0
3 years ago
At the bookstore 40 copies of a popular paperback book fit perfectly on a 5 foot shelf
stellarik [79]

Answer:

8?

Step-by-step explanation:

5x8=40

i dont know the question

3 0
3 years ago
Select rational or irrational to classify each number 0.02 2√2√1/2​
Oksi-84 [34.3K]

Answer:0.02 is rational

2 is rational

square root of 2 is irrational

square root of 1/2 is rational

3 0
3 years ago
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