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

-6(-2x -y + 4) It also says to use the distributive property

Andrew is setting up his down-payment for his first car. Andrew invested into the account earning 3.5 simple interest. He earned 1,050 in interest. For how many

You have different lengths of material to use for a craft project: 0.93m 1.24m 0.62m 3.41m 1.5m 1.4m Convert each length to centimetres, and then add them toget

Find newspaper or magazine articles this week about the United Nations. At the end of the week, write a brief summary about the many activities of the U.N. in t

Need help quick Picture provided proof problem

Help! I’ll give brainliest to the first answer!

A student lifts her 15-kg backpack from the ground to her shoulder raising it 1.5 meters. Determine the work she does to life the backpack

Please help is appreciated !

What are the next three terms in the sequence? -112, -129, -146, ___________Explain your answer.

most important building block of responsibility