it

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popolare Word Problems >

The sum of the squares of two consecutive even integers is twenty.

Soluzione

T h e s u m o f t h e s q u a res o f tw o co n sec u t i v e e v e n in t e g ers i s tw e n t y .

Soluzione

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

Fasi della soluzione

Represent the numbers with

x

:

First number : x

Consecutive number : x + 2

A.T.Q.:

x^{2} + (x + 2)^{2} = 20

Risolvi

x^{2} + (x + 2)^{2} = 20 : x = 2, x = - 4

Inserire in

x = 2 : 4

Inserire in

x = - 4 : - 2

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

Esempi popolari

Suppose an investment earns 3.2% interest compounded continuously. Find the future value of a 5400 investment after 19 years. Round your answer to the nearest cent, if necessary.the differenza of a number and 8 The sum of 3 times a number and 6 is equal to 18 An eagle is 4 times as old as a falcon. Three years ago, the eagle was 7 times as old as the falcon. Find the present age of each bird.you deposit 10,000 into an account that compounds weekly with an annual rate of 5.2%, How much money will be in the account in 6 years?