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

People who are over weight

What type of laxative would be the first choice for a client diagnosed with hemorrhoids experiencing intense pain when straining to pass stools?

Travels to England to find Duncan’s son, hoping to convince him to attack Macbeth

The vertex of a parabola will never be on the axis of symmetry. true or false

we want a ratio of orange seashells and pink seashells to be 3:7. we should use 40 seashells.how many orange shells should we paint

Holding all else constant while government is borrowing to cover budget deficits, the crowding out concept suggests interest rates ________ borrowing and spendi

which way were the due process protections provided in the Bill of Rights later extended?

What did France do in 1883

Travels to England to find Duncan’s son, hoping to convince him to attack Macbeth

In which part of a cover letter does the applicant explain the purpose of the letter?