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Troyanec [42]
3 years ago
9

HURRRY The volume of a cylinder is given by the formula V=pir2h where r is the radius of the cylinder and h is the height. Which

Mathematics
1 answer:
melamori03 [73]3 years ago
3 0

Answer:

(2x³-5x²-24x+63)π

Step-by-step explanation:

According to the formula, it would be (x-3)²(2x+7)π. Expanding (x-3)², you would get (x-3)(x-3) which equals x²-3x-3x+9 which equals x²-6x+9. Now you have (x²-6x+9)(2x+7). Expanding it would equal 2x³+7x²-12x²-42x+18x+63. Combining like terms would result in 2x³-5x²-24x+63. You have to multiply it all by pi so the answer is (2x³-5x²-24x+63)π.

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Help please it’s for a test I’m so clueless!!!!!!
kumpel [21]

Answer:

h=12  A=144 sq. cm.

Step-by-step explanation:

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9^2+h^2=15^2

81+h^2=225

h^2=225-81

h^2=144

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1/2(b1+b2)h

1/2(5+19)12

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6 0
2 years ago
What is the approximate circumference of a circle with a radius of 30 inches? Use π ≈ 3.14.
stich3 [128]
Given:
radius = 30 inches

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Answer is Choice B. 188.4 inches.
3 0
3 years ago
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Phoenix [80]

Answer:

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3 years ago
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marissa [1.9K]
The answer is b Rational
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3 years ago
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. A rowing club has 600 members. 60% of them are women. After 200 new members joined the club, the percentage of women was reduc
valkas [14]

Answer:

40

Step-by-step explanation:

Given:

Initial number of members = 600

Percentage of women = 60\%\ of\ 600=0.60\times 600=360

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