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erica [24]
4 years ago
10

What is the volume of the oblique cone shown? Round the answer to the nearest tenth

Mathematics
1 answer:
Angelina_Jolie [31]4 years ago
7 0

Answer:

V=1472.6

Step-by-step explanation:

Volume of a cone=π*r^2*h/3

The volume of an oblique shape is the same as a non oblique shape. Also, 15/2 is our radius

V=π*r^2*h/3

V=π*7.5^2*(25/3)

V=pi*56.25*8.33333...

V=1472.62155637

V=1472.6

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Leni [432]
32/36=8/9 divided both digits by 4
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3 years ago
Can someone pls help me . ASAPPP
STALIN [3.7K]

Volume without holes = 3 x 6 x 11 = 198 cubic inches.

Calculate volume of one hole:

3.14 x 0.5^2 x 3 = 2.355 cubic inches

There are 3 holes: 3 x 2.355 = 7.065

Subtract volume of the holes from the brick:

198 - 7.065 = 190.935 cubic inches.

Rounded to the nearest tenth: 190.9 cubic inches.

8 0
3 years ago
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Myra has a 17 foot roll of crepe paper to make 8 streamers to decorate for a party. How long will each streamer be if she cuts t
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Each streamer would be 2.125 feet long
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4 years ago
Find the value of a in this equation<br> <img src="https://tex.z-dn.net/?f=x%5E%7B2%7D-18x%2B81%3D%28x-a%29x%5E%7B2%7D" id="TexF
ryzh [129]

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9

Step-by-step explanation:

Solving the equation on the left we get

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6 0
2 years ago
Leonard drinks coffee that contains 300 mg of caffeine. Over the course of the day, every hour, one-half of the caffeine in his
Troyanec [42]

Answer:

18.75 mg

Step-by-step explanation:

We can model this problem using the exponencial equation:

y = yo * (1 + r)^x

Where y is the final value, yo is the inicial value, r is the rate and x is the amount of time.

In this problem, we want to find y after x = 4 hours (from 9am to 1pm), we have yo = 300 and r = -0.5 (for every hour, half the caffeine leaves the body). So we have that:

y = 300 * (1 - 0.5)^4

y = 300 * 0.5^4

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y = 18.75 mg

8 0
3 years ago
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