margara66 margara66
  • 06-05-2021
  • Mathematics
contestada

The length of a rectangle is 4 less than twice the width. The area of the
rectangle is 70 square meters. Find the dimensions of the rectangle.

Respuesta :

LemonTwT
LemonTwT LemonTwT
  • 07-05-2021

Answer:

Width: 7 Length: 10

Step-by-step explanation:

Width: x

length: 2x-4

Area: 70 meters squared

(2x-4)x=70

2x^2-4x=70

2x^2-4x-70=0

2(x^2-2x-35)=0

(x-7)(x+5)=0

x cannot be negative so x=7

Answer Link

Otras preguntas

Franklin puts apples and pears into boxes for the costumers at the local food bank. he puts the same number of apples or pears in each box. each box has only on
Why did the tsar give up power?
Hint: The exponent tells you how many spaces to move the decimal.
Bacteria differ from virsues in that bacteria
what does b=???? 27b-9=45b+45
Why is Agriculture important
0. Why is on-the-job discrimination the most readily identifiable form of discrimination against women? ​
Using the graph below, what is the instantaneous acceleration of the object at time 4 s?
HELP ME (if you don't know the answer then don't add an answer) - Discussion Topic The American Revolution caused a division between the British government and
if a person commited murder and is not guilty what would happend?