Answer: After 5 hours, Mary will be at the break even point.
To answer this question, we need to find the time when the cost equals the revenue.
Therefore, set our equations equal to each other and solve.
20 + 30h = 10h^2 - 80
0 = 10h^2 - 30h - 100
0 = h^2 - 3h - 10
0 = (h - 5)(h + 2)
Our solutions are h = 5 or h = -2. Only 5 hours makes sense in the context of this problem.
Answer:
The answer would be option A. h = –7, h = 21
Step-by-step explanation:
Question: -2 |h-7|=-28
Substitution: -2 |-14 (-7-7)| = -28
-2*14=-28
Substitution 2:
-2 |14 (21-7)|=-28
-2*14=-28
Step-by-step explanation:
use the negative number -$65 to represent the change in the value of Leon's card
use absolute value to say that his balance will be $65 less
I think 5.55 will travel in 3.7 seconds
Their are many different types of atoms in the universe. It can include the proton, neutron, and the electron. Also, the quark is a particle but is not found alot.
