Chapter 2: Problem 9
Simplify each expression. $$\frac{1}{3}(x+6)-\frac{4}{3}(x-9)$$
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Chapter 2: Problem 9
Simplify each expression. $$\frac{1}{3}(x+6)-\frac{4}{3}(x-9)$$
These are the key concepts you need to understand to accurately answer the question.
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Express each solution as an inequality. Plane altitudes A pilot plans to fly at an altitude of between 17,500 and 21,700 feet. To the nearest tenth, what will be the range of altitudes in miles? (Hint: There are 5,280 feet in 1 mile.)
Solve each equation and round the result to the nearest tenth. $$\frac{3.7(2.3 x-2.7)}{1.5}=5.2(x-1.2)$$
Is it possible for the equation of a problem to have a solution, but for the problem to have no solution? For example, is it possible to find two consecutive even integers whose sum is \(16 ?\)
Express each solution as an inequality. A student has test scores of \(68,75,\) and 79 points. What must she score on the fourth exam to have an average score of at least 80 points?
How can you tell whether a number is the solution to an equation?
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