Mathematics, 11.06.2021 19:50 julissav28346
In order to solve the following system of equations by addition, which of the
following could you do before adding the equations so that one variable will
be eliminated when you add them?
-4x + 3y = -11
3x-2y = 8
O A. Multiply the top equation by -3 and the bottom equation by 4.
O B. Multiply the bottom equation by 4.
C. Multiply the top equation by 3.
O D. Multiply the top equation by 2 and the bottom equation by 3.
Answers: 2
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On a certain portion of an experiment, a statistical test result yielded a p-value of 0.21. what can you conclude? 2(0.21) = 0.42 < 0.5; the test is not statistically significant. if the null hypothesis is true, one could expect to get a test statistic at least as extreme as that observed 21% of the time, so the test is not statistically significant. 0.21 > 0.05; the test is statistically significant. if the null hypothesis is true, one could expect to get a test statistic at least as extreme as that observed 79% of the time, so the test is not statistically significant. p = 1 - 0.21 = 0.79 > 0.05; the test is statistically significant.
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In order to solve the following system of equations by addition, which of the
following could you d...
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