Mathematics, 09.09.2021 21:00 oof5221
Gold that is 24-karat (24K) gold is pure gold. Gold that is 18 parts gold plus 6 parts other metals is 18-karat (18K) gold. To find the percentage of gold in 18K gold, divide the number of parts gold (18) by the total number of parts metal (24) and multiply by 100%. So, 18/24 0.75, and 0.75 100% 75%. Thus, 18K gold is 75% gold. Find the percent age of gold in 10K gold and 14K gold.
Answers: 2
Mathematics, 21.06.2019 17:00
There is a spinner with 14 equal areas, numbered 1 through 14. if the spinner is spun one time, what is the probability that the result is a multiple of 2 or a multiple of 5?
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Mathematics, 21.06.2019 20:00
Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.
Answers: 1
Gold that is 24-karat (24K) gold is pure gold. Gold that is 18 parts gold plus 6 parts other metals...
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