Answer:
The answer is -2, -17
Step-by-step explanation:
You write a system of equations
Then you solve:
-2, -17
Translate the sentence into an inequality. Ten times the sum of a number and 21 is at most 16. Use the variable y for the unknow
1 answer:
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Answer:
day 0, day 120
Step-by-step explanation:
You want to find the value of x that makes both y-values be the same:
y = y
30x +10 = -x^2 +150x +10
x^2-120x = 0 . . . . subtract the right side of the equation
x(x -120) = 0 . . . . . factor
Values of x that make this true are x=0 and x=120.
The same number of each car was sold on day 0 and day 120.
