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NNADVOKAT [17]
2 years ago
5

A cylinder has volume 78 cm. What is the volume of a cone with the same radius and height?

Mathematics
1 answer:
Dimas [21]2 years ago
5 0

Answer:

26 cm³

Step-by-step explanation:

A cone is 1/3 the volume of a cylinder with the same dimensions

78/3= 26

Volume= 26 cm³

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John runs 4 miles in 30 minutes. at the same rate, how many miles would he run in 48 minutes?
dimulka [17.4K]
Make a ratio, then cross multiply.

4/30=x/48

30x=4x48
30x=192
x=6.4
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3 years ago
I need help fast!!!
topjm [15]
Where’s the question?
8 0
3 years ago
WILL GIVE BRAINIEST ONLY IF YOU GET IT RIGHT!!!!
LiRa [457]

Answer:

x = 15

Step-by-step explanation:

20^2 + x^2 = 25^2

400 + x^2 = 625

subtract each side 400

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5 0
2 years ago
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Softa [21]
The correct answer is x = 20
4 0
2 years ago
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A piece of wire measuring 20 feet is attached to a telephone pole as a guy wire. The distance along the ground from the bottom o
dem82 [27]

Answer: Height at which the wire is attached to the pole is 12 feet.

Explanation:

Since we have given that

Length of the wire = 20 feet

Let the height at which wire is attached to the pole be h

and distance along the ground from the bottom of the pole to the end of the wire be x+4

Now, it forms  a right angle triangle so, we can apply "Pythagorus theorem".

H^2=B^2+P^2\\\\20^2=x^2+(x+4)^2\\\\400=x^2+x^2+8x+16\\\\400=2x^2+8x+16\\\\400=2(x^2+4x+8)\\\\200=x^2+4x+8\\\\x^2+4x-192=0\\\\x^2+16x-12x-192=0\\\\x(x+16)-12(x+16)=0\\\\(x+16)(x-12)=0\\\\x=-16\ and\ 12

But height cant be negative so, height will be 12 feet.

Hence, height at which the wire is attached to the pole is 12 feet.


8 0
3 years ago
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