iams2abugSa7mariAnay iams2abugSa7mariAnay

01-04-2017
Mathematics

contestada

If the the length of a rectangle is 5cm longer than twice the length of the width and the area if the rectangle is 403 square centimeters,what is the width?

Respuesta :

charlottekrist charlottekrist

01-04-2017

x=width
(2x+5)=length
x(2x+5)=403
2x^2-5x-403=0
2x^2+26x-31x-403=0
2x(x+13)-31(x+13)=0
(x+13)(2x-31)=0
x=-13 or x=31/2
Since, our number cannot be negative, x=31/2

Have a nice day :D

Answer Link

Otras preguntas

What is the Solution

how do i know if a guy has a crush on me?

Which answer describes the type of numbers that are dense? whole numbers and integers whole numbers but not integers rational numbers and irrational numbers rat

Use the table to answer the questions. What is the fastest time trial for the first quarter checkpoint? What is the slowest time trial for the first quarter che

describe a real-world situation using opposites

Point a and point b lie in the coordinate plane what is the midpoint between a (7,-5) and b (9,-1)

Write 3.24 x 10-4 in standard notation.

Because of their relatively small national economies, which of the following is most likely considered to be the most important factor for Belgium, Korea, and C

You flip a fair coin until you see three tails in a row. What is the average number of headsthat you’ll see until gettingTTT?

The Inverse Property of Addition states that aplus(minusa)equals_______: The sum of a real number and its additive _______ is_______, the additive _______.