es

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular Word Problems >

Find two consecutive positive integers such that the square of the larger integer is nineteen more than nine times the smaller integer.

Solución

F in d tw o co n sec u t i v e p os i t i v e in t e g ers s u c h t ha t t h e s q u a re o f t h e l a r g er in t e g er i s nin e t ee n m ore t han nin e t im es t h e s ma ll er in t e g er .

Solución

The numbers : 9, 10

Pasos de solución

Represent the numbers with

x

:

First number : x

Consecutive number : x + 1

A.T.Q.:

(x + 1)^{2} = 19 + 9 x

Resolver

(x + 1)^{2} = 19 + 9 x : x = 9, x = - 2

Select positive solutions:

9

x + 1 = 9 + 1 = 10

The numbers : 9, 10

Ejemplos populares

The radius of a círculo is 9 m. Find its area in terms of pipi.Amira is going to invest in an account paying an interest rate of 2.4% compounded continuously. How much would Amira need to invest, to the nearest dollar, for the value of the account to reach 320 in 17 years?9 less then half a number The diámetro of a circle is 10 ft. Find its area to the nearest whole number.the sum of 2 numbers is 50. Three times the first number is two times the second number.