23carpenter53
23carpenter53 23carpenter53
  • 26-04-2020
  • Mathematics
contestada

The length of a rectangle is 5m more than twice the width, and the area of the rectangle is 52m2. find the dimensions of the rectangle.

Respuesta :

devishri1977
devishri1977 devishri1977
  • 27-04-2020

Answer:

Width =  4 m

Length = 13m

Step-by-step explanation:

Let width = x

Length = 2x + 5

Area = 52 m²

length * width = 52

(2x + 5) * x = 52

2x *x + 5*x = 52

2x² +5x - 52 =0

2x² - 8x + 13x - 13*4 = 0

2x*(x - 4) + 13*(x - 4) = 0

(x - 4) (2x + 13) = 0

x - 4 = 0      {Ignore 2x + 13 = 0 as measurements will not be in negative}

x = 4 m

Width =  4 m

Length = 2*4 + 5 = 8+5 = 13m

Answer Link

Otras preguntas

Which energy source is formed when organic matter is trapped underground without exposure to air or moisture?
What distinct quality does the speaker attribute to his beloved’s face in this excerpt from William Shakespeare’s Sonnet 93? ...so love's face May still seem lo
Which one of the following events is an example of situational irony? A. Bernice overhears Marjorie talking with her mother. B. Bernice cuts her hair and sudd
Who was the first Canadian pm and the first Quebec premier
the Epic of Gilgamesh is the world's oldest known
Which of the following is not a piece of molecular evidence supporting the endosymbiotic theory? A. The mitochondria and chloroplasts are much different in stru
What is 8 out of 50 as a percentage?
A cliché is a _______ expression. A. new B. foreign C. worn-out D. wordy
Which of the following would not be considered a necessary condition for the growth of an empire? A. High agriculture potential B. adequate military resources
please help me. i need it today.