Alrighty then . . . . . . .
check the picture below.
![\bf \stackrel{f(x)}{0}=-16(x^2-6x-7)\implies 0=x^2-6x-7 \\\\\\ 0=(x-7)(x+1)\implies x= \begin{cases} \boxed{7}\\ -1 \end{cases}](https://tex.z-dn.net/?f=%20%5Cbf%20%5Cstackrel%7Bf%28x%29%7D%7B0%7D%3D-16%28x%5E2-6x-7%29%5Cimplies%200%3Dx%5E2-6x-7%20%5C%5C%5C%5C%5C%5C%200%3D%28x-7%29%28x%2B1%29%5Cimplies%20x%3D%20%5Cbegin%7Bcases%7D%20%5Cboxed%7B7%7D%5C%5C%20-1%20%5Cend%7Bcases%7D%20)
it cannot be -1, because is a seconds amount after moving.
Answer:
Yes any number can be substituted for h
Step-by-step explanation:
The term 'h' is an independent variable any number can be substituted for h, so long as the number represents the hours worked
So if she walks pets for 8 hours
Her pay is 4*8= $32
Answer:
Perpendicular intersecting lines.
Step-by-step explanation:
A '+' has intersecting perpendicular lines.
Similar triangles have a scale factor that determine the length of each side.
15 / 7.5 = 2
The scale factor = 2
17 / 2 = 8.5
y = 8.5