Answer:
B.
Step-by-step explanation:
You have to use the number in the variable to figure out if the number multiplied by 3.5 goes over 20 dollars. The highest you can go without going over 20 dollars is 5 notebooks
A = b√x+c
a/b = √x+c
(a/b)^2 = x + c
(a/b)^2 - x = c
Answer:
Meeting or following another vehicle
Step-by-step explanation:
Solution:
Let the cumulative costs of the plans will be equal after x months.
Then we can write
Hence after 10/29th Month cost will be equal.
and that cost
$
Answer:
(a) -20 1/2
Step-by-step explanation:
The proportion can be solved using "cross multiply" as the first step. This eliminates the fractions and turns it into a linear equation.
2/7 = -5/(x +3) . . . . . given
2(x +3) = -35 . . . . . . multiply by 7(x +3)
2x = -41 . . . . . . . . . simplify, subtract 6
x = -20 1/2 . . . . . . divide by 2
