Find the perimeter. Simplify the answer

Mathematics

2 answers:

elena-14-01-66 [18.8K]2 years ago

6 0

Add the sides and then combine like terms and solve it the answer should be 30s-18

stira [4]2 years ago

5 0

$3s - 1 + 7s - 1 + 10s - 8 + 10s - 8 \\ 10s - 2 + 20s - 16 \\ = 30s - 18$

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2 years ago

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masha68 [24]

$\dfrac{5}{7}\ of\ 100:\\\\\dfrac{5}{7}\cdot100=\dfrac{5\cdot100}{7}=\dfrac{500}{7}=\dfrac{70+28+2}{7}=\dfrac{70}{7}+\dfrac{28}{7}+\dfrac{2}{7}\\\\=10+4+\dfrac{2}{7}=14\dfrac{2}{7}\\\\\dfrac{2}{7}\ \text{is smaller than}\ \dfrac{1}{2}.\ \text{Therefore}\ 14\dfrac{2}{7}\approx14\\\\Answer:\ \boxed{14}$

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2 years ago

￼ Find the perimeter. Simplify the answer

Find the perimeter. Simplify the answer