By Consortium for Foundation Mathematics
The second one publication of a three-part sequence, An advent to Algebraic, Graphical, and Numerical challenge fixing, Fourth variation, illustrates how arithmetic arises obviously from daily events via up to date and revised real-life actions and the accompanying perform workouts. besides the actions and the routines in the textual content, MathXL® and MyMathLab® were improved to create a greater total studying adventure for the reader. expertise built-in in the course of the textual content is helping readers interpret real-life info algebraically, numerically, symbolically, and graphically. The lively sort of this e-book develops readers’ mathematical literacy and builds a great starting place for destiny learn in arithmetic and different disciplines.
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Extra info for Mathematics in Action: An Introduction to Algebraic, Graphical, and Numerical Problem Solving (4th Edition)
Example text
Write your GPA to the nearest hundredth. Problem 6 illustrates the procedure for computing a weighted average. The general procedure is given in the following. Procedure Computing the Weighted Average of Several Data Values 1. Multiply each data value by its respective weight, and then 2. Sum these weighted data values. 30 Number Sense Chapter 1 Example 1 You will have a 12-credit load next semester as a full-time student. You will have a 2-credit course, two 3-credit courses and a 4-credit course.
Move the decimal point two places to the right and then attach the % symbol. 6. To convert a percent to a decimal: i. Locate the decimal point in the number preceding the % symbol. ii. Move the decimal point two places to the left and then drop the % symbol. 7. Two ratios are equivalent if their decimal or reduced-fraction forms are equal. 6 1. Complete the table below by representing each ratio in all four formats. Round decimals to thousandths and percents to tenths. 50% 200% 2. a. Match each ratio from column I with the equivalent ratio in column II.
7 # 20 + 5 c. 7 # 25 d. 20 + 7 # 5 e. Which two arithmetic expressions above yield the same answer? 2. Evaluate each expression, and use your calculator to check your answers. a. 201100 - 22 b. 20 # 100 - 2 c. 20 # 98 d. 100 - 20 # 2 e. Which two arithmetic expressions above yield the same answer? 3. Use the order of operations convention to evaluate each expression. a. 17150 - 22 b. 190 - 725 4. Use the distributive property to evaluate each expression. a. 17150 - 22 b. 190 - 725 5. Perform the following calculations without a calculator.