解答
平均值
解答
求解步骤
计算数据集的和:
计算数据集中的项的数量:
将和除以项的数量然后化简:
流行的例子
18 is 75% of what numberThe quotient of 30 and five more than a number is twelve.Find the number.The sum of the two numbers is 22, and the product of these two numbers is 120. What are the numbers?Gabe deposits 7,000 in a certificate of deposit. The annual interest rate is 4% , and the interest will be compounded quarterly. How much will the certificate be worth in 5 years?Ariana opened a savings account and deposited 800.00. The account earns 8% interest, compounded annually. If she wants to use the money to buy a new bicycle in 3 years, how much will she be able to spend on the bike?