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4 years ago

Average of 57 39 76 87 91

1 answer:

7 0

Add the numbers: 57 + 39 + 76 + 87 + 91 = 350;
Divide by how many numbers (i.e. we added 5 numbers): 350 ÷ 5 = 70;
<span>So the average is 70;</span>

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$a^{2} +b^{2} =c^{2} \\$ so $8^{2} +b^{2} =\sqrt{80} ^{2}$

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3 years ago