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

can someone write an essay about the passage animals in captivity.

Transform fault boundary due to this movement what Geologic event do you think may happen

A particle accelerates from rest at 3m/s^2. What is its speed 6.2s after the particle starts moving?

What is the slope of the line that passes through the points (2, -3) and (2,13)?Write your answer in simplest form.please help

D Underline the noun phrases in the following sentences. 1 His mother wished to speak to the principal. 2 The students who rioted were punished. 3 The dog whose

1+1 get it right please i need the anser

List 6 ways intoxication can affect a person.

what goes up and down but cant move

What value is equivalent to 3^2 · 4^3?

Which of the following is NOT something that the United States and Canada have in common? former English colonies navigable waterways have fertile farmlands ar