Chapter 1: Problem 12
Write an equation that represents the statement. The difference of \(n\) and 7 is 4 .
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These are the key concepts you need to understand to accurately answer the question.
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Chapter 1: Problem 12
Write an equation that represents the statement. The difference of \(n\) and 7 is 4 .
These are the key concepts you need to understand to accurately answer the question.
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You measure the side of a square as \(10.4\) inches with a possible error of \(\frac{1}{16}\) inch. Using these measurements, determine the interval containing the possible areas of the square.
The heights \(h\) of two-thirds of a population satisfy the inequality \(|h-68.5| \leq 2.7\) where \(h\) is measured in inches. Determine the interval on the real number line in which these heights lie.
The average yearly cost \(C\) of higher education at public institutions in the United States for the academic years \(1995 / 1996\) to \(2004 / 2005\) can be modeled by \(C=30.57 t^{2}-259.6 t+6828, \quad 6 \leq t \leq 15\) where \(t\) represents the year, with \(t=6\) corresponding to the \(1995 / 1996\) school year (see figure). Use the model to predict the academic year in which the average yearly cost of higher education at public institutions exceeds \(\$ 12,000\).
For \$2000 to grow to more than \(\$ 2500\) in 2 years, what must the simple interest rate be?
Use a calculator to solve the inequality. (Round each number in your answer to two decimal places.) \(-1.3 x^{2}+3.78>2.12\)
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