Mathematics, 15.06.2020 09:57 hannahhh565

A sprinter ran a race in 11 seconds. What is the domain of this graph?

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Mathematics, 21.06.2019 14:30, theworld58

Aswimming pool has an input pump for filling the pool and an output pump for emptying the pool. the input pump can fill the pool in 3 hours, and the output pump can drain the pool in 5 hours. as you go to bed, the pool is full, but a neighbor’s kid turns on the output pump. at midnight, you awake to find the pool half empty. immediately, you turn on the input pump, but you are sleepy and forget to turn off the output pump. at what time will the pool become full?

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Mathematics, 21.06.2019 15:00, m4167281

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

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Mathematics, 21.06.2019 16:00, OKgoogle

What is the value of x in the diagram below?

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Mathematics, 21.06.2019 17:30, redbenji1687

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.