fr

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Populaire Word Problems >

The différence of two numbers is 16 and the sum of their squares is 130. WHat are the two numbers?

Solution

T h e d i ff ere n ce o f tw o n u mb ers i s 16 an d t h e s u m o f t h e i r s q u a res i s 130. W H a t a re t h e tw o n u mb ers ?

Solution

The numbers : 9, - 7 or 7, - 9

étapes des solutions

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x - y = 16

x^{2} + y^{2} = 130

Résoudre le système des équations:

x - y = 16, x^{2} + y^{2} = 130 : (x = 9, x = 7, y = - 7 y = - 9)

The numbers : 9, - 7 or 7, - 9

Exemples populaires

Erin opened a savings account and deposited 800.00 as principal. The account earns 7% interest, compounded annually. What is the balance after 8 years?The sum of twice a number and 4 is 14 Find two consecutive whole numbers that sqrt(28) lies between.Maureen opened a savings account and deposited 600.00 as principal. The account earns 9% interest, compounded monthly. What is the balance after 5 years? round to nearest tenth the sum of two consecutive integers is-213