# hw1-4 - 32d slope = 40(The cost of making each coat is \$40...

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Math 1160 – Section 1.4 Answer Key 4. m = -7/5 6. m = -4/5 20. y = (1/3)x + 4/3 (remember the Parallel Property) 22. y = 2x – 5 (remember the Perpendicular Property) 32a. y = 40(100) + 2400 barb2right \$6400 (solve for y given x) 32b. 3600 = 40x + 2400 barb2right 30 coats (solve for x given y) 32c. (0, 2400) The y-intercept represents fixed costs - costs incurred which are not related to the number of coats produced.
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Unformatted text preview: 32d. slope = 40 (The cost of making each coat is \$40.) 37a. y = .10x + 160 37b. y = .10(1000) + 160 y = \$260 37c. 500 = .10x + 160 x = \$3400 62. The equation of the line is y = 23250x + 580,000 When x = 8 (2008), y = 766,000 *You were given 2 points in this problem. Utilize the slope formula and the point-slope formula to get the equation of the line....
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