3 years ago

Estimate the sum or difference. 7/8-1/5

Mathematics

1 answer:

finlep [7]3 years ago

5 0

Answer:27/40

Step-by-step explanation:

7/8-1/5

35/40-8/40=27/40

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Galina-37 [17]

Answer:

$Both \: the \: moon \: and \: earth \: are \: in \: \\ the \: shape \: of \: spheres. \\ Surface\: area \: of \: a \: sphere \: of \: radius \: 'r' \\$

Let d1 be the diameter of the moon and d2 and be the diameter of the earth.Let r1 be the radius of the moon and r2 be the radius of the earth.

$given \: d1 = \frac{1}{4}d2 \\ = > 2r1 = \frac{1}{4} ×2r2 \\ =>r1 = \frac{1}{4}×r2 \\ Now, \: ratio \: of \: \: their \: surface \: areas \: is: \\ = s1: s2 \\ = r {1}^{2}: r {2}^{2} \\ = {1}^{2 } : {4}^{2 } \\ =1:16$

<h2> hope it helps you</h2>

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Step-by-step explanation:

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Explain how 7/12 is greater than 1/3 but less than 2/3

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First we will change them on the same denominator which will be 12. If we do something to the denominator we must do the same to the numerator so :
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