nanciramirez nanciramirez

02-12-2019
Mathematics

contestada

Length of rectangle is 5yd more than double the width,and the area of the rectangle is 42yd.find the dimension of the rectangle.

Respuesta :

adelodunoba85 adelodunoba85

03-12-2019

Answer:

width =6yd

length=17yd

Step-by-step explanation:

w=x

L=2x+5

area=L*w

42=x(2x+5)

[tex]42=2x^{2} +5x[/tex]

[tex]2x^{2} +5x-42=0[/tex]

[tex]2x^{2} -12x+7x-42=0[/tex]

2x(x-6)+7(x-6)=0

(x-6)(2x+7)=0

x-6=0

x=6

L=2x+5=2*6+5=12+5=17

Answer Link

Otras preguntas

Use a net to find the surface area of the prism. b1=15in b2=6in h=8in a. 576 in sq b. 258 in sq c. 516 in sq d. 720 in sq

Extra points will give brianliest!!!! IF answered in next 20 mins!1. How does a mutation in the p53 protein cause cancer cells to divide uncontrollably?(Select

High air pressure means that the air is (blank A.) and (blank B.). Choices for (blank A). 1.lighter 2.higher 3.nearer 4.colder Choices for (blank B.) 1.further

NEED HELP ASAP!!!! Please

What do the factors (-7x-60)(x+4) in the factored form represent?

oof IDK anymore look above at the picture

How many ml of 0.0500 m cacn2 are needed to make 25.0 ml of 0.0150 m solution? The molar mass of cacn2 is 80.11 g/mol.

Name four types of cutaneous sensory receptors

Help me!!!!!! Please

a form that is embedded in another form is called a