3 years ago

Harriet's haircut costs $36.

Mathematics

2 answers:

Sedaia [141]3 years ago

5 0

A. $41.40 is the answer to your question.

sertanlavr [38]3 years ago

3 0

36(15/100)= 41.4

Your answer is A. $41.40

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Plz help with this question.

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>