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Zinaida [17]
3 years ago
9

Find the volume of a sphere with a radius of 16. Use 3.14 for pi

Mathematics
2 answers:
tatuchka [14]3 years ago
5 0

Step-by-step explanation:

V=43πr3 \\ =43·π·163 \\ ≈17157.28468

Solnce55 [7]3 years ago
4 0

Answer:

use the formula pi r 2 and simply multiply 3.14 times 16.

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Andru [333]

Answer:

the angle would be 1/2 i did this problem before and got it correct

Step-by-step explanation:

3 0
3 years ago
Similar to my last question:
pickupchik [31]
70 × 20%
70 × .20 = .14
so .70 - .14 = $.56
6 0
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If the base of a square pyramid is 9 centimeters, and it has a volume of 324 cubic centimeters, what is the height of the pyrami
masha68 [24]

A

The volume (V) of a pyramid is found using the formula

V = \frac{1}{3} × area of base × height(h)

area of base = 9² = 81 ← area of a square, hence

324 = \frac{1}{3} × 81 × h = 27h ( divide both sides by 27 )

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3 0
3 years ago
What would be the least amount of money needed to purchase exactly 19 muffins?
Lady bird [3.3K]
B: 9.25

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7 0
2 years ago
Read 2 more answers
An appliance manufacturer claims to have developed a compact microwave oven that consumes a mean of no more than 250 W. From pre
Shtirlitz [24]

Answer:

Null Hypothesis, H_0 : \mu \leq 250 W  

Alternate Hypothesis, H_A : \mu > 250 W    

Step-by-step explanation:

We are given that an appliance manufacturer claims to have developed a compact microwave oven that consumes a mean of no more than 250 W.

They take a sample of 20 microwave ovens and find that they consume a mean of 257.3 W.

<u><em>Let </em></u>\mu<u><em> = mean power consumption of microwave ovens.</em></u>

So, Null Hypothesis, H_0 : \mu \leq 250 W  

Alternate Hypothesis, H_A : \mu > 250 W    

Here, <u>null hypothesis states tha</u>t the mean power consumption of microwave ovens is no more than 250 W.

On the other hand, <u>alternate hypothesis sates that</u> the mean power consumption of microwave ovens is more than 250 W.

The test statistics that would be used here is <u>One-sample z test statistics</u> as we know about the population standard deviation;

                       T.S. =  \frac{\bar X-\mu}{\frac{\sigma}{\sqrt{n} } }  ~ N(0,1)

Hence, this would be the appropriate hypotheses to determine if the manufacturer's claim appears reasonable.

5 0
3 years ago
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