Answer:
polygon is regular. Round answer to the nearest tenth
Step-by-step explanation:
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Answer:
In year 1986 the average cost of car is $12,000
Step-by-step explanation:
Cost function:
C = 30.5t² + 4192
Cost = $12,000
Find:
Year
Computation:
C = 30.5t² + 4192
12,000 = 30.5t² + 4192
t = 16 year
So,
Year 1970 + 16 year
1986
So, In year 1986 the average cost of car is $12,000
Answer:29m^2+
405/2
Step-by-step explanation:
The quotient of a number t and 7, plus 2, is -4 ?
t/7 +2 = -4