Mathematics, 06.10.2019 04:00 jjjjjj6643
Margaret took a trip to italy. she had to convert us dollars to euros to pay for her expenses there. at the time she was traveling, the conversion rate was represented by the function e(n)=0.72n, where n is the number of dollars and e(n) is the equivalent value in euros. later, she traveled to dubai and converted her remaining euros into the local currency, uae dirhams. at that time, the conversion rate was represented by the function d(x)=5.10x, where x is the number of euros and d(x) is the equivalent value in dirhams. which function can be used to convert n dollars directly to dirhams?
a) (d x e)(n) = 5.10(0.72n).
b) (d x e)(n) = (5.10x) x (0.72n).
c) (e x d)(n) = 0.72(5.10n).
d) (e x d)(n) = (0.72n) x (5.10x).
Answers: 2
Mathematics, 21.06.2019 17:30
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Mathematics, 21.06.2019 20:00
The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?
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Margaret took a trip to italy. she had to convert us dollars to euros to pay for her expenses there....
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