shiann131 shiann131
  • 01-04-2021
  • Mathematics
contestada

A = x² + 4x – 60
What is the length and width?
If x=9 what is the perimeter of the rectangle?

Respuesta :

fernyviakhoo
fernyviakhoo fernyviakhoo
  • 01-04-2021

Answer:

57 I think?

Step-by-step explanation:

A=x² + 4x - 60

A=9² + 4⁹ - 60

(9x9=81) + (4x9=36) - 60

= 57

Answer Link

Otras preguntas

State whether the following statements are true or false. Justify.(i) For an arbitrary binary operation * on a set N,  a * a = a ,  for all a * N.(ii) If * is a
Earth is a close approximation of a natural closed system.  What are some ways that living in a closed system affects each of us.
A particle travels in a circle of radius 82 cm and with a centripetal acceleration of 4.7 m/s2. How long does the particle take to complete one revolution?
How many flags are in this wolld ;)
Hello, I need help please for mission 3 thank you very much.
A movie starts at 7:00 pm and lasts 108 minutes. What time does the movie end?
What were the reasons for the failure of the League Nations?
Compute the value of the discriminant and give the number of real solutions to the quadratic equation: 3x^2 - 7x + 9 = 0
'for a good cause if you are determined you are able to overcome any obstacle'. explain
in a parallelogram one angle is 9 times the size of another. find the measures of the angles