
<h3>
step by step explanation </h3>
● area of regular polygon Formulas ,
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● now finding the area of regular polygon,
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Hope it's helps you
3:7 =
3/7
3/7 = x/35
7x = 105
x = 15
answer : clara borrowed 15 books

so... you tells us, which filling rate is the bigger and thus faster one?
Let 4 + 3x = u
then 3dx = du
or, <span>1/3∫<span>u√</span>du
</span>
= <span>1/3<span>u^<span>3/2</span></span>/(3/2)
</span>
= <span>2/9∗(4+3x<span>)^<span>3/2
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