해법
해법
솔루션 단계
Represent the numbers with :
A.T.Q.:
해결 :
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The 원둘레 of a circle is 20pi in. What is the area, in square inches? Express your answer in terms of pipi.twice the 차이 of a number and 6 equals 2the sum of 9 times a number and 8 is equal to 6An initial amount of 3300 is invested in an account at an interest rate of 5% per year, compounded continuously. Assuming that no withdrawals are made, find the amount in the account after six years.a circle has a diameter of 28 ft what is the 원둘레