The formula of the volume of a cylinder:
We have:
and
substitute:
Answer: The area of a base of the cylinder is equal 45 dm².
We have:
and
substitute:
Answer: The area of a base of the cylinder is equal 45 dm².
Kate has some dimes and quarters. if she has 1919 coins worth a total of $2.95, how many of each type of coin does she have?
1 answer:
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