Answer:
(60 - 4x)(50 + 2x) = 2,800
Step-by-step explanation:
Answer:
10
Step-by-step explanation:
5! divided by all the repeats so 3!2! = 10 ways
Answer:
D. 26
Explanation:
10% = 6.5
6.5 x 4 = 26
D. <span>F(x) = 7x − 105 because however many cars they wash and the amount of money they gain from it, they will still have a combined $105 to spend on the supplies and space.</span>
Answer:
x = 5
Step-by-step explanation:
You want to find x such that ...
x^2 +(x +1)^2 = 61
2x^2 +2x -60 = 0 . . . . . simplify, subtract 61
x^2 +x -30 = 0 . . . . . . . divide by 2
(x +6)(x -5) = 0 . . . . . . . . factor; solutions will make the factors be zero.
The relevant solution is x = 5.
