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zhuklara [117]
3 years ago
14

A cylinder has a volume of 175 pie cubic units and a height of seven units what's the diameter

Mathematics
1 answer:
Debora [2.8K]3 years ago
3 0
Πr²h=175
πr²*7=175
Divide both sides by 7
πr²=25
Divide both sides by π (3.14)
r²=7.96
Square root of 7.96=2.82
r=2.82
Diameter is 2r. 2.82*2
2.82*2=5.64
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dexar [7]
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8 0
3 years ago
(99 POINTS) Using similarity solve for x. Show all work
ki77a [65]

General Idea:

In any right triangle,

1. The altitude to the hypotenuse is the geometric mean between the segments into which is separates the hypotenuse.

2. Each leg is a geometric mean of the hypotenuse and the segment of the hypotenuse adjacent of the leg.

Applying the concept:

Step 1: We need to label the given diagram and set up a proportion by comparing the similar triangles as provided in attached figure.

Setting up the proportion, we get...

\frac{Shorter \; Leg}{Hypotenuse}=\frac{AB}{AC}=\frac{AD}{AB}\\\\\frac{x}{9+16}=\frac{9}{x}\\Cross \; Multiplying \; we \; get...\\\\x^2=9(9+16)\\x^2=9(25)\\x^2=225\\Take \; square \; root \; on \; both \; sides\\\\\sqrt{x^2}=\sqrt{225}\\x=15

Conclusion:

x=15 \; cm


4 0
3 years ago
Read 2 more answers
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Bogdan [553]
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Answer:

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Explanation:

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Hope this helps!

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</span></span> <span> y-(4*x+1)=0 </span>
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