19. Tom has a collection of 30 CDs and Nita has a collection of 18 CDs. Tom is adding 1 CD a month to his collection while Nita
2 answers:
Answer: The answer is 3 months.
Step-by-step explanation: Given that Tom has a collection of 30 CD's and Nita has a collection of 18 CD's. Tom is adding 1 CD a month to his collection while Nita is adding 5 CD's a month to her collection. We are to find the number of months after which both will have the same number of D's.
Let 'x' be the required number of months. Then, we will have
Therefore, the number of months is 3.
Thus, the answer is 3 months.
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Answer:
4/6 or 2/3 of a cup
The drawing will help
For this case we must find the product of the following expression:
By definition of properties of powers and roots we have:
We rewrite the expression using the lowest common index of 6, then:
We rewrite the terms in an equivalent way:
We rewrite the expression using the property mentioned:
We combine using the product rule for radicals:
So:
ANswer:
Option b