해법
해법
솔루션 단계
Represent the number with
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The sum of two numbers is 37. One number is 9 less than the other. Find the numbers.The radius of a 원형 is 20 cm. Find its area in terms of pipiIn 주문 to pay for college, the parents of a child invest 10,000 in a bond that pays 8% interest compounded semiannually. How much money will there be in 21 years? Round your answer to the nearest cent.The radius of a circle is 15 cm. Find its 원둘레 in terms of pi.Matthew invests 500 into an account with a 2.5% interest that is compounded quarterly. How much money will he have in this account if he keeps it for 10 years?