Chapter 2: Problem 58
What is a hidden operation in a verbal phrase? Explain how to identify hidden operations.
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These are the key concepts you need to understand to accurately answer the question.
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Chapter 2: Problem 58
What is a hidden operation in a verbal phrase? Explain how to identify hidden operations.
These are the key concepts you need to understand to accurately answer the question.
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In Exercises 19-36, expand the expression as a product of factors. $$ (-x)^{6} $$
The dimensions of a rectangular lawn are 150 feet by 250 feet. The property owner buys a rectangular strip of land \(x\) feet wide along one 250 -foot side of the lawn. Draw diagrams representing the lawn before and after the purchase. Write an expression for the area of each.
In Exercises 33-38, justify each step of the equation. Then identify any properties of equality used to solve the equation. $$ \begin{aligned} 14-3 x &=5 \\ 14-3 x-14 &=5-14 \\ 14-14-3 x &=5-14 \\ -3 x &=-9 \\ \frac{-3 x}{-3} &=\frac{-9}{-3} \\ x &=3 \end{aligned} $$
Pens cost \(\$ 0.25\) each. Pencils cost \(\$ 0.10\) each. Write an algebraic expression that represents the total cost of buying \(p\) pens and \(n\) pencils.
In Exercises \(1-10\), determine whether each value of \(x\) is a solution of the equation. \(3(3 x+2)=9-x\) (a) \(x=-\frac{3}{4}\) (b) \(x=\frac{3}{10}\)
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