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julia-pushkina [17]
4 years ago
11

Ed signed up for a weight-loss program. The table shows his weight in pounds of the terms of the number of weeks since he began

his weight loss-program. assume that his weight loss is the same every week.
Time weight
(weeks) (pounds)
0 205
4 197

Eric also signed up for a weight-loss program. The function y = 200 - 1.5x represents his weight in pounds in terms of the number of weeks since he began his weight-loss program. Of the two, ___ loses fewer pounds per week. when the two began their respective weight-loss programs ____ was heavier by ____ pounds.
Mathematics
2 answers:
scoray [572]4 years ago
4 0
Ed : (0,205)(4,197)
slope(m) = (197 - 205) / (4 - 0) = -8/4 = -2

y = mx + b
slope(m) = -2
(0,205)...x = 0 and y = 205
time to sub
205 = -2(0) + b
205 = b
equation is : y = -2x + 205...so Ed loses 2 lbs per week

Eric :
y = -1.5x + 200...so Eric loses 1.5 lbs per week

when they started, Ed weighed 205 lbs and Eric weighed 200 lbs

* of the two, Eric loses fewer lbs per week. When the two began their respective weight-loss programs, Ed was heavier by 5 lbs.
GuDViN [60]4 years ago
4 0

Answer: of the two, <u><em>Eric</em></u> loses fewer lbs per week. When the two began their respective weight-loss programs, <u><em>Ed</em></u> was heavier by<u><em> 5</em></u> lbs.


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