04/23/21

Precautions question
Ten liters of 30% acid solution is obtained by mixing a 20% solution with a 50% solution. Provide the set-up. You do NOT have to solve the system.
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04/23/21

i didnt understand this its precalculus

A car was valued at $34,000 in the year 1990. The value depreciated to $12,000 by the year 2002. A) What was the annual rate of change between 1990 and 2002?r =___ Round the rate of decrease to 4... more
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04/23/21

Write a system of equations to describe the situation below, solve using substitution, and fill in the blanks.
Kenneth and Nellie just had business cards made. Kenneth's printing company charged a one-time setup fee of $17 and then $13 per box of cards. Nellie, meanwhile, ordered hers online. They... more
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04/22/21

At center court on a gymnasium floor, a large circular emblem is to be painted. The circular design has a radius length of 11 ft.
At center court on a gymnasium floor, a large circular emblem is to be painted. The circular design has a radius length of 11 ft.(a)What is the area to be painted in square feet? (Use your... more
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04/22/21

Using the given triangle, find tan θ.    
 A .5/12B.12/13C.5/13D.12/5
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