Bob the builder is making 480 kg of concrete mix.
Concrete is made by mixing cement, sand and...
Mathematics, 15.03.2020 22:57 itzyagirlshy
Bob the builder is making 480 kg of concrete mix.
Concrete is made by mixing cement, sand and gravel in the ratio 1 : 3 : 4
how much sand does he need ?
Answers: 3
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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?
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Is (root2 -2)^2 rational or irrational. show the steps and answer fast
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