해법
The circumference of a circle is 23\pi in. What is the area, in square inches? Express your answer in terms of pi\pi.
해법
솔루션 단계
Given:
주어진 원 반지름
주어진 원 영역
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a square tile has an 지역 of 36 square inches .what is the length of one side of the tileThe sum of two numbers is zero. One number is nine less than the other. Find the numbers.Xin is going to invest in an account paying an interest rate of 5.8% compounded annually. How much would Xin need to invest, to the nearest hundred dollars, for the value of the account to reach 2,290 in 16 years?One number exceeds another by 11. The sum of the two numbers is 5. What are the numbers?Five times the 차이 of twice a number and 6 is-20