lajuve111 lajuve111
  • 03-04-2017
  • Mathematics
contestada

The area of a poster board is (x2 + 9x − 10) square inches. Find the dimensions of the poster board if x = 13.

Respuesta :

KitKat69
KitKat69 KitKat69
  • 03-04-2017
If you know what x equals and the formula you would just put what X equals in for X: (13squared+9(13)-10). 13•13=169. 9•13=117. So 169+117-10=276 :)
Answer Link

Otras preguntas

What is the solution to this system of linear equations: y-x=4 and y+2x=1 1) (-1,3) 2) (0,4) 3) (1,-1) 4) (-3,3)
true or false? Three common voltage sources are batteries, solar cells, and generators.
why is red onions purple
What is HIV and the causes
Why does a pendulum eventually stop swinging?
Determine the half-life of potassium if in 3460 years a 200 g sample decayed into 25 g
What are enzymes also known as? What do enzymes do to biological reactions? What do we call the special shape on an enzyme molecule? What are enzymes made of? W
NaOH  + H2SO4 =NaOH + HNO3  =Cu(OH)2 + HCl =                H2SO4 =                        HNO3 =
Why does a pendulum eventually stop swinging?
The number 6 is halfway between 4.5 and 7.5.Answer the missing numbers below.The number 6 is halfway between 2.8 and .......The number 6 is halfway between -12