Answer:
Step-by-step explanation:
F(x) = 7 - 5x + 7x²
f(-9) = 7 - 5*(-9) + 7*(-9)²
= 7 + 45 + 7*81
= 7 + 45 + 567
= 619
Answer:
x = -11/2
Step-by-step explanation:
The ratios need to stay the same
5x 11
----- = -------
x-2 3
Using cross products
5x*3 = (x-2) 11
15x = 11x - 22
Subtract 11 from each side
15x-11x = -22
4x = -22
x = -22/4
x = -11/2
Answer:
2628
Step-by-step explanation:
7/4 = 1.75 = 175%
x is the number of no votes
4599/x = 7/4
x = 4599/(7/4)
x = 2628
Answer:
n^22 (I love your profile picture by the way)
Step-by-step explanation: