Solve.A metal rod changes in length by 0.82 mm for every 1°C change in temperature. If it expands when heated and contracts when cooled, express its change in length as a signed number as the temperature changes from 34°C to 25°C.
Fill in the blank(s) with the appropriate word(s).
-7.38 mm
(25 - 34) × 0.82 = (-9) × 0.82 = -7.38
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Fill in the blank(s) with the appropriate word(s).
Solve the problem.Suppose assembly line workers are paid as follows:1-75 items assembled$0.50 each76-125 items assembled$1.25 each126 or more items assembled$1.75 eachIf Jared assembles 89 items, what are his gross earnings?
A. $111.25 B. $44.50 C. $62.00 D. $55.00
Find the probability.A calculator requires a keystroke assembly and a logic circuit. Assume that 75% of the keystroke assemblies and 94% of the logic circuits are satisfactory. Find the probability that a finished calculator will be satisfactory.
A. .7050 B. .8500 C. .8836 D. .5625
Find a linear function whose graph has the given slope and y-intercept.Slope 9, y-intercept (0, -10)
A. f(x) = 9x + 10 B. f(x) = 9x - 10 C. f(x) = -10x - 9 D. f(x) = 9x + 9