Mathematics, 26.06.2019 17:30, Celsie
An investor received $1400 interest per annum from a sum of money, with part of it invested at 10% and the remainder at 7% simple interest. this investor found that if she interchanged the amounts she had invested she could increase her return by $90 per annum. calculate the total amount invested.
Answers: 1
Mathematics, 21.06.2019 17:50, domiyisthom
On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.
Answers: 2
Mathematics, 21.06.2019 19:00, bthakkar25
The following division is being performed using multiplication by the reciprocal find the missing numbers is 5/12 divided by x/3 equals 5/12 times x/10 equals 1/x
Answers: 2
An investor received $1400 interest per annum from a sum of money, with part of it invested at 10% a...
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