Chapter 3: Problem 34
Solve the equation. $$|2|-(-b)=6$$
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Use 114.520 yen per United States dollar as the rate of currency exchange. You are visiting Japan and have taken $325 to spend on your trip. If you exchange the entire amount, how many yen will you receive?
In any triangle, the sum of the measures of the angles is \(180^{\circ}\). In triangle \(A B C, \angle A\) is four times as large as \(\angle B\). Angle \(C\) measures \(20^{\circ}\) less than \(\angle B\). Find the measure of each angle.
Evaluate the expression. $$16.9-1.5(1.8+0.2)$$
In Exercises \(15-18\), find the average speed. Swim 2 miles in 40 minutes
You are conducting a survey on the use of air-plane phones. You survey 320 adults and find that 288 of them never made a phone call from an airplane. If you surveyed 3500 adults, how many of them would you predict have made a phone call from an airplane? Explain.
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