es

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

Jairo is 4 years older than his sister Emma. The sum of the squares of their ages is 58. How old is Emma?

Solución

Jairo is 4 years older than his sister Emma. The sum of the squares of their ages is 58. How old is Emma?

Solución

Emma^{'} s age is : 3

Pasos de solución

Translate the problem into an equation:

x^{2} + (x - 4)^{2} = 58

Resolver para

x, x^{2} + (x - 4)^{2} = 58 : x = 7, x = - 3

Hallar Emma's age

: 3

Emma^{'} s age is : 3

Ejemplos populares

0.75 of what number is 1/2 Hannah opened a savings account and deposited 600.00 as principal. The account earns 14% interest, compounded annually. What is the balance after 8 years?Ben is 4 times as old as Ishaan and is also 6 years older than Ishaan.A product sells at a regular price of 120 which is on sale for 65% off the regular price. Find the sale price. Be sure to round your answer to the nearest cent.Darren is 6 years older than Lee. Barry is 9. Harper is 3 years younger than Barry and 1 year younger than Lee. How old is Lee?