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Algebra and Functions Videos 140 videos

SAT Math 9.4 Algebra and Functions
1300 Views

SAT Math 9.4 Algebra and Functions

SAT Math 9.2 Algebra and Functions
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SAT Math 9.2 Algebra and Functions

SAT Math: Identifying an Equation for the Average of Two Percentages
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In 2014, the unemployment rate of one county in California was 7%. In another county, the unemployment rate was 11%. Which of the following express...

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SAT Math: Using Rates to Calculate Total Time 8 Views


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Description:

Two chemistry students, Mike and Mona, are each adding base to the same beaker of acid in order to neutralize it. Mike adds the base at a rate of 0.35 milliliters per second, and Mona adds it at a rate of 0.22 milliliters per second. If their teacher suggests that they proceed carefully after 5 milliliters have been added, after how much time t in seconds should they begin to proceed carefully? Round to the nearest tenth place.

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