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

Sound waves cannot travel in a vacuum because a. there is nothing for them to travel through b. there can be no waves of any kind in a vacuum c. they cannot get

What action finally provoked the United States into bombing Libya? a. an attack on American ships b. a bombing in Berlin, Germany c. Libyan invasion of Liberia

In the ancient Roman republic, who were the consuls? A) the heirs to the emperor's throne B) Senators who also led committees to deal with specific issues C)

Which best describes the Doctrine of Enlargement? a. a foreign policy stance that advocates multilateral engagement for the good and protection of an allied cou

Those Europeans who spoke of imperialism as the "white man's burden" claimed that Europeans __________. suffered great hardships in colonizing other lands were

There are 10,000 students enrolled at Monroe College. This year, 1,408 are graduating. How many students will be left?

Which document encouraged the colonists to fight until they reached independence

What is the greatest benefit the body receives from cardiorespiratory fitness? A.)It reduces the amount of mental stress. B.)It increases waste removal from the

which of the following is an example of rhetorical device ? (A. purpose) (B.ethos) (C.emotion) (D.pattern)

In 1914, Americans believed that the Monroe Doctrine encouraged them to follow a policy of