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otez555 [7]
2 years ago
13

2. Find the volume of the sphere.

Mathematics
1 answer:
lorasvet [3.4K]2 years ago
6 0

Answer:

V= 113.1

Step-by-step explanation:

V=4/3πr^3=4/3·π·3^3≈ 113.09734

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Answer correctly please ASAP!
Serggg [28]

10 1/2 ft=2x-18 in

convert ft to in--10 1/2ft=126 in

126=2x-18

2x=144

x=<em>72 inches or 6 feet</em>

5 0
3 years ago
The mean annual income for adult women in one city is $28,520 and the standard deviation of the incomes is $5600. The distributi
pshichka [43]

Answer:

E(\bar{x}) = 28520

Standard error of mean = 689

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = $28,520

Standard Deviation, σ = $5600

Mean of sampling distribution =

E(\bar{x}) = \mu = 28520

As per Central Limit Theorem, if the sample size is large enough, then the sampling distribution of the sample means follow approximately a normal distribution.

Sample size, n = 66

Since the sample size is large, we can use normal distribution for approximation.

Standard error of mean =

\displaystyle\frac{\sigma}{\sqrt{n}} = \frac{5600}{\sqrt{66}} = 689.31 \approx 689

7 0
3 years ago
Please enter the missing number: 4, 8, 14, 22, ?
lara31 [8.8K]

Answer:

C) 32

Explanation:

it's adding by 4, 6, 8, and then 10; 22 + 10 = 32, so C will be the answer.

Hope this helps!

5 0
3 years ago
Read 2 more answers
The equation 7×+1=4×+10 ?
HACTEHA [7]
7x-4x=10-1
3x=9
3/3x=9/3
x=3
5 0
3 years ago
Read 2 more answers
Find the mean for the group of data items. Round to the nearest hundredth, if necessary.
Ilya [14]

Answer:

The mean is 60.17 if round to the nearest hundredth.

Step-by-step explanation:

Add all the numbers together to get 361, then divide by 6 because that is how many numbers were added together.

7 0
4 years ago
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