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SAT Math Videos 353 videos

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...

SAT Math: Which Equation Represents Profit?
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Angela is making cookies for a bake sale. She expects each batch of her cookies to sell for $40. It costs her $10 to make one batch of cookies, and...

SAT Math: Using Time and Distance to Calculate Speed
14 Views

Liz leaves her home to drive on a straight highway that leads directly across town for a job interview. At 8:00 a.m., she has driven 5 miles from h...

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SAT Math: Identifying the y-Intercept in a Given Linear Function 0 Views


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Description:

Jerome has just bought a new heater for his home. He wants to know what the indoor temperature will be after he turns it on for few minutes. He sets the heater to automatically cycle off when it reaches 80 degrees inside. Before the indoor temperature of the house hits 80 degrees, it can be estimated using the equation T = 60 + 2.1m, where T is the indoor temperature of his home in degrees Fahrenheit and m is the number of minutes that have passed since he turned on the heater. What does the constant 60 represent?

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