Chapter 1: Problem 6
Add or subtract as indicated and write the result in standard form. $$ 7-(-9+2 i)-(-17-i) $$
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Chapter 1: Problem 6
Add or subtract as indicated and write the result in standard form. $$ 7-(-9+2 i)-(-17-i) $$
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In Exercises 59–94, solve each absolute value inequality. $$ 4+\left|3-\frac{x}{3}\right| \geq 9 $$
Use the Pythagorean Theorem and the square root property to solve. Express answers in simplified radical form. Then find a decimal approximation to the nearest tenth. A rectangular park is 6 miles long and 3 miles wide. How long is a pedestrian route that runs diagonally across the park?
Explaining the Concepts. Describe ways in which solving a linear inequality is similar to solving a linear equation.
Each group member should research one situation that provides two different pricing options. These can involve areas such as public transportation options (with or without discount passes), cellphone plans, long-distance telephone plans, or anything of interest. Be sure to bring in all the details for each option. At a second group meeting, select the two pricing situations that are most interesting and relevant. Using each situation, write a word problem about selecting the better of the two options. The word problem should be one that can be solved using a linear inequality. The group should turn in the two problems and their solutions.
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.
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