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PIT_PIT [208]
3 years ago
7

The base of this regular right pyramid is a square. What is its surface area?

Mathematics
1 answer:
natta225 [31]3 years ago
4 0

Answer:

○ C) 256 in.²

Step-by-step explanation:

{a}^{2} + 2a \sqrt{ \frac{ {a}^{2}}{4} + {h}^{2} } = S. A. \\ \\ {8}^{2} + 2(8) \sqrt{ \frac{{8}^{2}}{4} + {12}^{2}} = 64 + 64\sqrt{10}\\ \\ 64\sqrt{10} ≈ 266,3857703 ≈ 256

I am joyous to assist you anytime.

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3 years ago
Now we are testing to see whether taking a vitamin supplement each day has significant health benefits. There are no (known) har
ZanzabumX [31]

Answer:

Concluding that people should take vitamin supplement each day when they don't help.            

Step-by-step explanation:

We are given the following in the question:

Hypothesis:

Taking a vitamin supplement each day has significant health benefits and does not have any harmful side effects.

Null hypothesis:

Taking a vitamin supplement each day does not have have significant health benefits.

Alternate hypothesis:

Taking a vitamin supplement each day have have significant health benefits.

Type I error:

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So error I for this situation would be concluding that people should take vitamin supplement each day when they don't help.

3 0
3 years ago
What's -8.2 x 10 to the fifth power? Please explain your answer. Thank you!
Stolb23 [73]

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8 0
3 years ago
if your teacher tells you to do questions 28 through 41 in your math book for homework, how many questions is that
katrin2010 [14]

Its 14.
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5 0
3 years ago
If 10% of 50% of a number is 30 less than one- quarter of the number what is it?
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6 0
4 years ago
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