Chapter 0: Problem 88
In Exercises \(85-96,\) simplify each algebraic expression. .$$2(5 x-1)+14 x$$
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Chapter 0: Problem 88
In Exercises \(85-96,\) simplify each algebraic expression. .$$2(5 x-1)+14 x$$
These are the key concepts you need to understand to accurately answer the question.
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Contain rational equations with variables in denominators. For each equation, a. Write the value or values of the variable that make a denominator zero. These are the restrictions on the variable. \(\mathbf{b} .\) Keeping the restrictions in mind, solve the equation. $$\frac{2}{x+1}-\frac{1}{x-1}=\frac{2 x}{x^{2}-1}$$
Explain why \(|x|<-4\) has no solution.
A rectangular parking lot has a length that is 3 yards greater than the width. The area of the parking lot is 180 square yards. Find the length and the width.
If a coin is tossed 100 times, we would expect approximately 50 of the outcomes to be heads. It can be demonstrated that a coin is unfair if \(h,\) the number of outcomes that result in heads, satisfies \(\left|\frac{h-50}{5}\right| \geq 1.645 .\) Describe the number of outcomes that determine an unfair coin that is tossed 100 times.
Factor each perfect square trinomial. $$x^{2}+2 x+1$$
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