Mathematics, 07.06.2021 01:20, yasmincx
At the grocery store, apples are one price and chocolate bars are another. Mary buys three apples and one chocolate bar for $2.70. Bill buys one apple and 4 chocolate bars for $6.40. Write a system of equations to model Mary's and Bill's purchases and then determine the cost of a chocolate bar.
Answers: 1
Mathematics, 21.06.2019 14:40, kiasiab17
The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.
Answers: 3
Mathematics, 21.06.2019 17:00, Taylor129
Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?
Answers: 1
Mathematics, 22.06.2019 02:00, FaygoMango
Prove the following(cot0+cosec0)[tex](cot0 + cosec0) { }^{2} = \frac{1 + cos0}{1 - cos0} [/tex]
Answers: 1
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