what is a length and width of 30 perimeter

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01-03-2018
Mathematics

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what is a length and width of 30 perimeter

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What value of x makes the equation true ? 4(2x-4)=16

find the circumference of a circle whose radius is 15.4cm

In scientific notation, what is the sum of 2.3 times 10^{-3} and 5.4 times 10^{-4}?a. 2.84 times 10^{-3}b. 5.63 times 10^{-3}c. 7.7 times 10^{-7}d. 12.42 times

AJC2003 AJC2003 · Answer 1 · 2018-03-01T02:26:12+01:00

AJC2003 AJC2003

01-03-2018

The perimeter is two times the length plus two times the width.

Let width = x
Let length = 3x
Perimeter = 30

2x + 2(3x) = 30
2x + 6x = 30
8x = 30
x= 3.75

Substitute this value of x into the length and width to obtain your dimensions.

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