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The answer to the question is A vertex is a point of intersection of two sides of an angle.
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Answer:
18 should be the correct answer
Answer:
a) V' = 81(1)^2 = 81 cm^3/s
b) V' = 81(10)^2 = 8,100 cm^3/s
Step-by-step explanation:
Recall that the volume of a cube is:
V = s^3
If you let t be the time in a seconds, then s = 3t at time t. So we have that the volume of the cube at time t is:
V = (3t)^3 = 27t^3
Taking derivatives:
V' = 81t^2
Then, the speed of which the volume changes is:
a) V' = 81(1)^2 = 81 cm^3/s
b) V' = 81(10)^2 = 8,100 cm^3/s
Answer:
Step-by-step explanation:
Answer:
3 hours
Step-by-step explanation:
Total cost = 144 + 80h
Where h = number of hours
How many hours can Michelle afford to pay the mechanic if she can spend no more than $384?
384 = 144 + 80h
Subtract 144 from both sides
384 - 144 = 144 + 80h - 144
384 - 144 = 80h
240 = 80h
Divide both sides by 80
h = 240 / 80
= 3
h = 3 hours