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shutvik [7]
2 years ago
11

what is the hight of a cylinder with a volume of 384tt cubic inches and a radius of 8 inches? round to the nearest tenth of an i

nch.​
Mathematics
1 answer:
skelet666 [1.2K]2 years ago
5 0

Answer:

1.9 inches

Step-by-step explanation:

We need to utilise one important formula in this question which is the volume of a cylinder formula. We need to work out the height of the cylinder given the following information that the radius is 8 inches and the volume is 384 cubic inches. We can set up an equation to find the value of the height so,

→ π × r² × h = 384

⇒ Substitute in 8 for 'r'

→ π × 8² × h = 384

⇒ Simplify

→ π × 64 × h = 384

⇒ Divide both sides by 64 to isolate π and h

→ π × h = 6

⇒ Divide both sides by π to isolate 'h' and find the value of the height

→ h = 1.9098593171

The height of a cylinder with a volume of 384 cubic inches and a radius of 8 inches is 1.9 inches

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The ratio of men's to women's at a lecture is 2 to 5. If there is 25 women's how many men's are there
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Need help asap!!!!!!​
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3 0
3 years ago
Joe sold a total of 10 baked goods. Each cookie costs $1.25 and each brownie costs $2.50. Joe made $20 at the bake sale. How man
AURORKA [14]

Answer:

4 cookies

Step-by-step explanation:

Let the number of cookies he sold be c and that of brownies be b.

Assuming that brownies and cookies are the only type of baked goods sold,

b +c= 10 -----(1)

Amount of money received= $20

b(cost of brownie) +c(cost of cookie)= $20

2.50b +1.25c= 20 -----(2)

From (1): b= 10 -c -----(3)

Substitute (3) into (2):

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Expand:

2.50(10) +2.50(-c) +1.25c= 20

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Being constants to 1 side:

-1.25c= 20 -25

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Thus, Joe sold 4 cookies.

8 0
2 years ago
Is 2.34 a rational number?
Musya8 [376]

yes

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\frac{a}{b} where a and b are integers

now 2. 34 = 2 \frac{34}{100} = \frac{234}{100}→ a rational number


3 0
3 years ago
Read 2 more answers
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