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bezimeni [28]
3 years ago
12

What is the approximate volume of a cylinder with a diameter of 28 ft and height of 20 ft? Use 3.14 to approximate π , round to

the nearest tenth.
Mathematics
1 answer:
jarptica [38.1K]3 years ago
6 0
The answer is V= 12315.04

Volume of cylinder is V=πr2h

Radius is 14, 28/2 =14

Plug into the equation,

π(14)^2 (20)

14^2 = 196(20) = 3920

3920*3.14(pi) = 12315.04
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Answer: She has 21.63 more euros than pounds and has 1.23 times more euros than pounds.

Step-by-step explanation:

She has US$300, and she will withdraw half of it on pounds, and half of it in euros.

(half of US$300 is US$150)

We know that:

1 pound = US$1.6

(1 pound/US$1.6) = 1

Then US$150 = US$150*(1 pound/US$1.6) = (150/1.6) pounds = 93.75 pounds.

And we also know that:

1 euro = US$ 1.3

then:

(1 euro/US$ 1.3) = 1

This means that:

US$150 = US$150*(1 euro/US$ 1.3) = (150/1.3) euros = 115.38 euros.

This means that:

115.38 - 93.75 = 21.63

This means that she has 21.63 more euros than pounds.

and:

115.38/93.75 = 1.23

She has 1.23 times more euros than pounds.

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3 years ago
How do i complete the square for this equation ? x^2+ 8x+y^2-2y=64
liraira [26]
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