A new CD player costs $65. Mindie waits until it is 25% off to buy it. Find the sale price that Mindie pays for the new CD playe
2 answers:
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Answer:
The volume of the solid is 19. unit³
Step-by-step explanation:
The given function is y = x³
The solid is created by revolving R about the line y = 1
We have that when y = 1, x = 1
Taking the end point as x = 2, we have the volume given by the washer method as follows;
Where;
a = 1, and b = 2, we have;
g(x) = 1
The volume of the solid, V = unit³ = 19.
unit³
Answer:
The solutions are x = -4 and x = 4.
Step-by-step explanation:
Solving a quadratic equation:
We have to find x for which .
In this question:
So
The solutions are x = -4 and x = 4.