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The sum of a number and seven more than the number is 43. What is the number?
Answers: 1
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The head librarian at the library of congress has asked her assistant for an interval estimate of the mean number of books checked out each day. the assistant provides the following interval estimate: from 740 to 920 books per day. what is an efficient, unbiased point estimate of the number of books checked out each day at the library of congress?
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Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.
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How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two
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The sum of a number and seven more than the number is 43. What is the number?...
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