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

why is the use of the inquiry process a practical way to approach science HELP

what does alignment mean in dance?

If one half of a number is 8 less than two thirds of the number, what is the number? 1) 24 2)32 3)48 4)54

how to write 0.632 in wordform please show an example

describe the relationship between the value of a dollar and the value of a dime

seth traveled 1 mile in 57.1 second how fast did he go in miles per hour

25% of 88 is the same as what percent of 22? 1) 12 1/2% 2)40% 3) 50% 4) 100%

0.632 in two other forms?

5.4 5.400 less greater

What represents instantaneous velocity on a graph?