Mathematics, 23.09.2019 13:10 ninilizovtskt

How many gallons of a 90% antifreeze solution must be mixed with 70 gallons of 30% antifreeze to get a mixture that is 80% antifreeze

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Aprojectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 704t. after how many seconds does the projectile take to reach its maximum height?

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