Answer:
144
Step-by-step explanation:
The surface area of a sphere that has a volume of 288π cu in is 144 pi.
Answer:
2 Answers By Expert Tutors ... Let's set x = cost of books and y = cost of pens. ... In algebra, this can be written as x + y = 18. ... Using x and y, we get 1 book and 2 pens costs $21, or x + 2y = 21 ... The pen must cost $3 because we are adding $3 to the total when we ... Please provide a valid phone number.
Step-by-step explanation:
Assuming you meant 45x^2y^2+18*3 , it should be 9(5x^2y^2+6)
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Answer:

Step-by-step explanation:
So we have the inequality:

Definition of Absolute Value:

Note that the sign is flipped in the second case because we multiplied by a negative.
Add 5 to both sides to both equations:

Merge:

And we're done!