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Effectus [21]
3 years ago
5

A rectangle has a perimeter of 84cm and a length 35cm what is its width

Mathematics
1 answer:
aleksandrvk [35]3 years ago
5 0
P = 2(L + W)
P = 84
L = 35

now we sub
84 = 2(35 + W)
84 = 70 + 2W
84 - 70 = 2W
14 = 2W
14/2 = W
7 = W....so the width is 7 cm
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Mary estimated that it would take 3 hours to write a book report, but it actually took her 5 hours. What is the percent error fo
Eduardwww [97]

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64 teachers

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----------------- = -------------

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4 0
3 years ago
Kindly Only Answer if you know how to do this problem:
steposvetlana [31]
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7 0
3 years ago
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