7 NYS Math Exam Review

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What does the equation 2r + 15 = 25 represent in a real-life scenario?

Back

You are going to the movies with some friends. You have $25 to spend. The movie costs $15 and each item at the concession stand costs $2. This equation shows how many items you can buy at the concession stand.

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What equation represents the relationship between s and t if s = 7t?

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What is the definition of a variable in mathematics?

Back

A variable is a symbol used to represent an unknown value in mathematical expressions or equations.

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What is the formula for calculating the area of a rectangle?

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The area of a rectangle is calculated using the formula: Area = length × width.

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What does it mean for two expressions to be equivalent?

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Two expressions are equivalent if they have the same value for all values of the variables involved.

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How do you find the mean of a set of numbers?

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To find the mean, add all the numbers together and then divide by the total count of the numbers.

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What is the definition of probability?

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Probability is a measure of the likelihood that an event will occur, expressed as a number between 0 and 1.