jessicamendozacelis2
01.10.2019 •
Mathematics
Langle is so degrees and ove on.
the perimeter of a rectangle is 332cm. the length is 7 cm more than twice the width. find the length and
width of the rectangle.
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Ответ:
Step-by-step explanation:
perimeter = 332
let the width be 'x'
then, length = 2x+7
perimeter = 2 (length+width)
332 = 2 ( 2x+7 + x )
332/2 = 3x + 7
166 - 7 = 3x
159/3 = x
53 = x
therefore, width (x) = 53
length = 2(53)+7
= 113
Ответ:
60 x 15 = 20 x mph
900 = 20 x mph
900/20 = mph
45mph is your answer.