jm2769
jm2769 jm2769
  • 18-08-2020
  • Mathematics
contestada

What is the width of the rectangle shown below?
4x + 3
A = 8x2 – 10x – 12

Respuesta :

abidemiokin
abidemiokin abidemiokin
  • 23-08-2020

Answer:

2x-4

Step-by-step explanation:

Area of a rectangle = Length * Width

Given parameters

Area A = 8x2 – 10x – 12

Length of the rectangle = 4x+3

Required

Width of the rectangle.

Substituting the given parameters into the formula

8x2 – 10x – 12  = (4x+3)*width

width = 8x2 – 10x – 12 /4x+3

S

Factorizing the numerator

8x² – 10x – 12

= 2(4x²-5x-6)

= 2(4x²-8x+3x-6)

= 2(4x(x-2)+3(x-2))

= 2(4x+3)(x-2)

Width = 2(4x+3)(x-2)/4x+3

Width = 2(x-2)

Width = 2x-4

Hence the width of the rectangle is 2x-4

Answer Link

Otras preguntas

Which is a complex sentence? A) So, how can we improve the United States’ literacy rate? B) Many Americans continue to struggle with different aspects of liter
The bird population on an island is declining at a rate of 4% per year. The population was 2700 in the year 2015. Which answer is the best prediction of the pop
True or False: If the prefix "iso" means the same, there is no change in the cell (egg).
the old swimmin hole the first stanza of the poem
I need help pretty please
Find the midpoint of the line segment whose endpoints are (3, 10) and (7, 8). 1. (2,1) 2. (5,9) 3. (11, 12)
Approximately how many Jews were killer in the holocaust
How do you do this ?
There are about __________________ professional actors who perform and teach Noh drama in Japan today. 1500 1000 5000 500
Who took the route of exploration indicated by the letter E