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Pre-Calculus Homework Solutions 2

# Pre-Calculus Homework Solutions 2 - 4 x LM 2x 3 LM 2(4 3 8...

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4 ¬ x LM 2 x 3 LM 2(4) 3 8 3 LM 11 11. BC CD because they both have length 10 inches. BE ED because they both have length 8 inches. BA DA because they both have length 14.4 inches. Pages 17–19 Practice and Apply 12. Each inch on the ruler is divided into sixteenths. Point B is closer to the 1 1 5 6 -inch mark. Thus, AB is about 1 1 5 6 inches long. 13. The long marks on the ruler are centimeters, and the shorter marks are millimeters. Point D is closer to the 45-millimeter mark. Thus, CD is about 45 millimeters or 4.5 centimeters long. 14. The long marks on the ruler are centimeters, and the shorter marks are millimeters. The right end of the key is closer to the 33-millimeter mark. Thus, the key is about 33 millimeters or 3.3 centimeters long. 15. Each inch on the ruler is divided into sixteenths. The right tip of the paperclip is closer to the 1 1 4 6 -inch mark. Thus, the paperclip is about 1 1 4 6 or 1 1 4 inches long. 16. The measurement is precise to within 1 2 inch. So, a measurement of 80 inches could be 79 1 2 to 80 1 2 inches.
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