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17. If the base is missing, what is the formula?
18. If the rate is missing, what is the formula?
19. What does "per hundred" and a part of a whole mean? 20. It is the whole, total or original amount
20. it is whole total or original amount
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Answer:
17 . The formula to find the area of the base of a cylinder is πr2 where r is the radius of the base of the cylinder. The value of the base area of the cylinder is equal to the area of the circle as the base of the cylinder is circular.
18 . To calculate your interest rate, you need to know the interest formula I/Pt = r to get your rate. Here, I = Interest amount paid in a specific time period (month, year etc.) You should remember this equation to calculate your basic interest rate.
19 . A percent is a ratio whose second term is 100. Percent means parts per hundred. The word comes from the Latin phrase per centum, which means per hundred. In mathematics, we use the symbol % for percent.
20 . Any part or part of a whole one is known as a fraction.
Sana makatulong sayo .