pt

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular Word Problems >

The sum of two numbers is zero. One number is nine less than the other. Find the numbers.

Solução

T h e s u m o f tw o n u mb ers i s zero . O n e n u mb er i s nin e l ess t han t h e o t h er . F in d t h e n u mb ers .

Solução

The numbers : - 4 \frac{1}{2}, 4 \frac{1}{2}

Passos da solução

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x + y = 0

x = y - 9

x + y = 0, x = y - 9 : x = - \frac{9}{2}, y = \frac{9}{2}

Converter as frações impróprias em números mistos:

\frac{9}{2} = 4 \frac{1}{2}

Converter as frações impróprias em números mistos:

\frac{9}{2} = 4 \frac{1}{2}

The numbers : - 4 \frac{1}{2}, 4 \frac{1}{2}

Exemplos populares

Xin is going to invest in an account paying an interest rate of 5.8% compounded annually. How much would Xin need to invest, to the nearest hundred dollars, for the value of the account to reach 2,290 in 16 years?One number exceeds another by 11. The sum of the two numbers is 5. What are the numbers?Five times the difference of twice a number and 6 is-20 A positive integer is twice another. The difference of the reciprocals of the two positive integers is 1/24 . Find the two integers Derek deposited 7,000 in an account earning 15% interest compounded annually.To the nearest cent, how much interest will he earn in 3 years?