Mathematics, 09.04.2021 17:00 cgratz5106
1. What is the solution set for -4x - 10 β€ 2 ?
2. What is the value of the expression -9 x 2.2 ?
Please help, thank you.
If you know one of them at least.
Answers: 1
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36x2 + 49y2 = 1,764 the foci are located at: a) (-β13, 0) and (β13,0) b) (0, -β13) and (0,β13) c) (-1, 0) and (1, 0)
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If point cis between points a and b, then ac + β = ab
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Atest of sobriety involves measuring the subject's motor skills. a sample of 31 randomly selected sober subjects take the test and produce a mean score of 64.4 with a standard deviation of 2. a claim is made that the true mean score for all sober subjects is equal to 65. for each part below, enter only a numeric value in the answer box. for example, do not type "z =" or "t =" before your answers. round each of your answers to 3 places after the decimal point. (a) calculate the value of the test statistic used in this test. test statistic's value = (b) use your calculator to find the p-value of this test. p-value = (c) use your calculator to find the critical value(s) used to test this claim at the 0.2 significance level. if there are two critical values, then list them both with a comma between them. critical value(s) =
Answers: 2
1. What is the solution set for -4x - 10 β€ 2 ?
2. What is the value of the expression -9 x 2.2 ?
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