johan6 johan6
  • 16-02-2017
  • Mathematics
contestada

I need to know number 8 but I just can't

I need to know number 8 but I just cant class=

Respuesta :

texaschic101
texaschic101 texaschic101
  • 16-02-2017
P = 2a + b
P = 16.75
a = 5x + 5
b = x + 4

16.75 = 2(5x + 5) + (x + 4)
16.75 = 10x + 10 + x + 4
16.75 = 11x + 14
16.75 - 14 = 11x
2.75 = 11x
2.75/11 = x
0.25 = x <==
Answer Link

Otras preguntas

Suppose people decide they no longer like striped shorts but they love plaid shorts. As a result, a. supply of striped shorts will decrease and shift to the ri
Select the correct statement about the neural mechanisms of respiratory control. A. The ventral respiratory group is contained within the pons. B. The pontine r
According to sociologist John Lofland, a(n) __________ refers to the “publicly expressed feeling perceived by participants and observers as the most prominent i
Jack is shooting free throws to improve his shot. He made 65% of this free throws. If he took 200 free throws how did he make?
Find the x-intercept and the y-intercept of the graph of the equation y=7x-3
A firm sells a product in a perfectly competitive market. The marginal cost of the product at the current output level of 500 units is $1.50. The minimum possib
What is the answer to 2(5×+9)=78
Anyone know the answer to this^??
what system of government is a dictatorship
(6x+4)+(x+5) what is the sum or difference of this problem