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人気のある Word Problems >

The product of two consecutive even integers is eight.

解

T h e p ro d u c t o f tw o co n sec u t i v e e v e n in t e g ers i s e i g h t .

解

The numbers : 2, 4 or - 4, - 2

解答ステップ

Represent the numbers with

x

:

First number : x

Consecutive number : x + 2

A.T.Q.:

x (x + 2) = 8

解く

x (x + 2) = 8 : x = 2, x = - 4

挿入

x = 2 : 4

挿入

x = - 4 : - 2

The numbers : 2, 4 or - 4, - 2

人気の例

if a number divided by 5 is increased by-28, the result is-10 woman drives her car 408 miles in 6 hours. At this rate how far will she travel in 8 hours?3600 dollars is placed in an account with annual interest rate of 9%. How much will be in the account after 25 years, to the nearest cent Martina deposits 700 into an account that pays simple interest at a rate of 2% per year. How much interest will she be paid in the first 5 years?The 差 between eight times a number and 12 is 36.