解答
解答
求解步骤
Translate the problem into an equation:
流行的例子
What is the 面积 of a triangle with a height of 11 cm and a base of 2 cm?the sum of 6 times a number and 9 is equal to2circle has area 40 square feet. Find the 半径. Round your answer to one decimal place, if necessary. The 半径 of the circle is feet.Naomi puts 2,000.00 into an account to use for school expenses. The account earns 5% interest, compounded annually. How much will be in the account after 7 years?The perimeter of a rectangular mat is 16 feet. It is 6 feet long. How wide is it?