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Andreyy89
3 years ago
10

Find the volume of a hemisphere that has a diameter of 48 inches and leave your answer in terms of pie

Mathematics
1 answer:
marin [14]3 years ago
8 0

<u>Given</u>:

Given that the diameter of the hemisphere is 48 inches.

We need to determine the volume of the hemisphere.

<u>Radius:</u>

The radius of the hemisphere can be determined using the formula,

r=\frac{d}{2}

Substituting d = 48, we get;

r=\frac{48}{2}

r=24

Thus, the radius of the hemisphere is 24 inches.

<u>Volume of the hemisphere:</u>

The volume of the hemisphere can be determined using the formula,

V=\frac{2}{3} \pi r^3

Substituting r = 24, we get;

V=\frac{2}{3} \pi (24)^3

V=\frac{2}{3} \pi (13824)

V=9216 \pi \ in^3

Thus, the volume of the hemisphere is 9216π cubic inches.

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At a competition with 7 runners, medals are awarded for first, second, and
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Answer:

Option A - Permutation; number of ways = 210

Step-by-step explanation:

Given : At a competition with 7 runners, medals are awarded for first, second, and  third places. Each of the 3 medals is different.

To find : How many ways are there to  award the medals?        

Solution :

There are 7 runners but medals are three.

The first runner up got first medal as one is locked.

The second runner up got second medal as second is locked.

The third runner up got the third medal.

So, There is a permutation.

Number of ways to award the medals is ^7P_3

We know, ^nP_r=\frac{n!}{(n-r)!}

Substitute the values,

^7P_3=\frac{7!}{(7-3)!}

^7P_3=\frac{7\times 6\times 5\times 4!}{4!}

^7P_3=210

Therefore, Option A is correct.

Permutation; number of ways = 210

6 0
2 years ago
Sketch a graph to show your heart rate over the course of a work out. Explain<br> your graph.
scoundrel [369]

Answer:

you could say something like if it got higher say....over the course of my workout I noticed my heart rate got fast,it speeded up, as you can tell by the graph.

6 0
3 years ago
A bakery offers a sale price of $3.25 for 4 muffins. What is the price per dozen?
s2008m [1.1K]

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$9.75

Step-by-step explanation:

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7 0
2 years ago
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What is the domain of the function on the graph
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Answer:

<h3>Domain [-3 , ∞ ]</h3>

Step-by-step explanation:

Domain is the set of all inputs for which the given function is defined.

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Here is the shadow will be formed from -3 till +∞, hence we have our domain  as [-3 , ∞ ]

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Steven wants to fill a 20gallon tank with water. If he uses2 1/2 gallon container to fill the tank, how many times must the cont
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Step-by-step explanation:

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