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​Answered Questions

Evaluate the function

3/24/2023

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If f(x) = x² − 2, then f(x + h) = ?

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How old is James now?

3/20/2023

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James’ dad is 5 times older than James, and James is twice as old as his sister Sara. In two years, the sum of their ages will be 58. How old is James now?

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Find the number of correct and incorrect answers

3/17/2023

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The player of a trivia game receives 100 points for each correct answer and loses 25 points for each incorrect answer. Leona answered a total of 30 questions and scored a total of 2125.  Find the number of correct and incorrect answers that she had.

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Find the probability of both cream and sugar

3/15/2023

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At Mom’s diner, everyone drinks coffee. Let ? = the event that a randomly
selected customer puts cream in their coffee. Let ? = the event that a randomly
selected customer puts sugar in their coffee. Suppose that after years of
collecting data, Mom has estimated the following probabilities:

?(?) = 0.6
?(?) = 0.5
?(? ?? ?) = 0.7

What is the probability that a randomly selected customer puts both sugar and
cream in their coffee?
Round your answer to one decimal place.

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Find an equivalent expression

3/15/2023

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(4x − 1) + [3x(5x + 2)]

Which expression is equivalent to the given expression?

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Find the two numbers

3/15/2023

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One number is 2 more than 3 times another. Their product is 16. Find the numbers.

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How can you use the rods to measure a length of 14 cm?

3/11/2023

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The lengths of three rods are 6 cm, 9cm, and 11 cm. How can you see those rods to measure a length of 14 cm?

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Write a function predicting the height after t weeks

3/6/2023

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Today (Week 0), a certain flower is 0.75 foot tall. Each week, the flower will grow 25% taller than it was the week before. Write a function, where t is the number of weeks from today and h(t) is the predicted height after t weeks from today.

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What equation has solutions of -5 and 8?

3/6/2023

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What equation has solutions of -5 and 8?

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What is the equation of the parallel line?

2/28/2023

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What is an equation of the line that passes through the point (−5,3) and is parallel to the line 3x − 5y = 30?

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