he

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

פּוֹפּוּלָרִי Word Problems >

Determine three consecutive odd negative integers, if the sum of their squares is 155.

פתרון

De t er min e t h ree co n sec u t i v e o dd n e g a t i v e in t e g ers, i f t h e s u m o f t h e i r s q u a res i s 155.

פתרון

The numbers : - 9, - 7, - 5

צעדי פתרון

Represent the numbers with

x

:

First number : x

Consecutive number 1 : x + 2

Consecutive number 2 : x + 4

A.T.Q.:

x^{2} + (x + 2)^{2} + (x + 4)^{2} = 155

x^{2} + (x + 2)^{2} + (x + 4)^{2} = 155

פתור את:

x = 5, x = - 9

Select negative solutions:

- 9

x + 2 = - 9 + 2 = - 7

x + 4 = - 9 + 4 = - 5

The numbers : - 9, - 7, - 5

דוגמאות פופולריות

A television has a wholesale price of 440. If the television is marked up by 20%, what is the markup amount Gabby opened a savings account and deposited 500.00 as principal. The account earns 3% interest, compounded quarterly. How much interest will she earn after 7 years? write three decimals If the sum of a number and one is tripled, the result is nine less than twice the number.6 more than the product of a number and 3 is 12.your family paid 120 for a payment of 20% of a project. What is the total cost of the project?