Exam 6: The Real Numbers and Their Representations

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Identify the property illustrated by the statement. -7 + 0 = 7

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Solve the problem. -Solve the problem. -   Four posts are used to support a fence. Each post is 4 inches wide and the posts are evenly spaced. If the width of the fence is 171 inches, how much space is between each post? Four posts are used to support a fence. Each post is 4 inches wide and the posts are evenly spaced. If the width of the fence is 171 inches, how much space is between each post?

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Perform the operation and give the answer as a fraction in lowest terms. - (45)(516)\left( \frac { 4 } { 5 } \right) - \left( - \frac { 5 } { 16 } \right)

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Solve the problem. -A nail 4344 \frac { 3 } { 4 } inches long is driven into a board 2452 \frac { 4 } { 5 } inches thick. How much of the nail protrudes from the other side of the board?

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Solve the problem. -By switching service providers, a family's telephone bill decreased from about $50 a month to about $46. By what percent did the monthly bill decrease?

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Use the information in the table to answer the question. -Use the information in the table to answer the question. -   What is the sum of the absolute values of the changes in 1992 and 1993 for telephone? What is the sum of the absolute values of the changes in 1992 and 1993 for telephone?

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Write the fraction in lowest terms. - 20122\frac { 20 } { 122 }

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Round the number to the nearest thousandth, nearest hundredth, and nearest tenth. Remember to round from the original number. -0.5099

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Use the information in the table to answer the question. -Use the information in the table to answer the question. -   Which category and year represents the greatest decrease? Which category and year represents the greatest decrease?

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Perform the indicated operations. - 8558 \sqrt { 5 } - \sqrt { 5 }

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Solve the problem. Round to the nearest hundredth. -21 is 1% of what number?

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True or False? e = 2.718281828

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Perform the indicated operations. -(4 + 5)[6 + (4 + 3)]

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Express the rational number as a terminating or repeating decimal number. - 1120\frac { 11 } { 20 }

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Identify the property illustrated by the statement. -5(x + 7)= 5x + 5 ·7

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Perform the operation and give the answer as a fraction in lowest terms. - (14)÷(13)\left( - \frac { 1 } { 4 } \right) \div \left( - \frac { 1 } { 3 } \right)

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Solve the problem. -At a university, 80% of the students who apply are accepted. Of those who are accepted, 70% actually enroll. If 30,000 students apply, how many actually enroll?

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Perform the indicated operation. -8 - (9 - 10)

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Solve the problem. -A room in the shape of a triangle has sides of length 13.2 yd, 13.2 yd, and 10.9 yd. If carpeting costs $22.68 per sq. yd, padding costs $2.10 per sq. yd, and there is no charge for installation, how much, To the nearest dollar, will it cost to carpet the room? (Hint: Use Heron's Formula)

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Simplify the complex fraction. - 38+143834\frac { \frac { 3 } { 8 } + \frac { 1 } { 4 } } { \frac { 3 } { 8 } - \frac { 3 } { 4 } }

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