Mathematics, 15.12.2020 23:10, jasontbyrer
Which Story matches the equation -6+3x=2+4x?
A. At 5 p. m., the temperatures recorded at two weather stations in Antarctica at -6 degrees and 2 degrees. The temperature changes at the same constant rate, x degrees per hour, throughout the night at both locations. The temperatures at the first station 3 hours after this recording is the same as the temperature at the second station 4 hours after this recording.
B. Elena and Kiran play a card game. Every time they collect a pair of matching card. they earn x points. At one point in the game, Kiran has -6 points and Elena has 2 points. After Elena collects 3 pairs and Kiran collects 4 pairs, they have the same number of points.
EXPLAIN YOUR THINKING PLEASE
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Astudent is determining the influence of different types of food on the growth rate of spiders. she feeds one group of spiders two caterpillars twice a week. the other group received similarly-sized beetles twice a week. she records the amount of time required for individuals to reach sexual maturity. her hypothesis is that the spiders feeding on caterpillars will have a faster growth rate because caterpillars have a higher protein content compared to beetles. in this experiment, what is the dependent variable? spiders assigned to different feeding groups. time required to reach sexual maturity number of prey items fed twice a week. growth rates of each group.
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Which Story matches the equation -6+3x=2+4x?
A. At 5 p. m., the temperatures recorded at two weathe...
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