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Art [367]
3 years ago
12

What is the approximate volume of the sphere?

Mathematics
2 answers:
iVinArrow [24]3 years ago
3 0
The correct answer is 523.33 mm^3

//p.s I already took the test and this was the correct answer//

hope I helped :)
Reil [10]3 years ago
3 0

Answer:

523.33 mm³

Step-by-step explanation:

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What is the cost of 12.6 gallons of gasoline if the price per gallon is $1.40?
12345 [234]
If

1 gallon = $1.40
12.6 gallons = $1.40 × 12.6

Plug those into your calculator and you'll get $17.64!
3 0
3 years ago
Read 2 more answers
How many times dose 42 go into 1,984
umka2103 [35]
Here is the answer all you have to do is go 1984 divide by 42 47.23809524
4 0
3 years ago
A teacher was interested in knowing the amount of physical activity that his students were engaged in daily. He randomly sampled
klasskru [66]

Answer:

The standard error of the mean is 4.5.

Step-by-step explanation:

As we don't know the standard deviation of the population, we can estimate the standard error of the mean from the standard deviation of the sample as:

\sigma_{\bar{x}}\approx\frac{s}{\sqrt{n}}

The sample is [30mins, 40 mins, 60 mins, 80 mins, 20 mins, 85 mins]. The size of the sample is n=6.

The mean of the sample is:

\bar{x}=\frac{1}n} \sum x_i =\frac{30+40+60+80+20+85}{6}=52.5

The standard deviation of the sample is calculated as:

s=\sqrt{\frac{1}{n-1}\sum (x_i-\bar x)^2} \\\\ s=\sqrt{\frac{1}{5}\cdot ((30-52.5)^2+(40-52.5)^2+(60-52.5)^2+(80-52.5)^2+(20-52.5)^2+(85-52.5)^2}\\\\s=\sqrt{\frac{1}{5} *3587.5}=\sqrt{717.5}=26.8

Then, we can calculate the standard error of the mean as:

\sigma_{\bar{x}}\approx\frac{s}{\sqrt{n}}=\frac{26.8}{6}= 4.5

6 0
3 years ago
Simplify the expression: (13 - 18) + 24 = 6
tresset_1 [31]
The answer is A. -7 1/3
4 0
2 years ago
Can somebody help me out with this Algebra 2 work? If you could that'd be really appreciated!! Good luck!
larisa [96]

Answer:

8 OR -8 OR Both

Step-by-step explanation:

-2 x 4 = -8

-8 x -8 x -8 = -64

Square root = 8 OR -8

1 to the 9th power = 1

-8 / 1 = -8

8/1 = 8

Hope that helps!

6 0
3 years ago
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