Mathematics, 30.04.2021 22:50 melody32
Find the area of the polygon with vertices A (-2,-1), B(-2,3), C(1,3) and D(1,1)
Answers: 1
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Factor the polynomial 4x4 โ 20x2 โ 3x2 + 15 by grouping. what is the resulting expression? (4x2 + 3)(x2 โ 5) (4x2 โ 3)(x2 โ 5) (4x2 โ 5)(x2 + 3) (4x2 + 5)(x2 โ 3)
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Mathematics, 21.06.2019 23:10
In which quadrant does the point lie? write the coordinates of the point. a. quadrant ii; (โ2, โ4) b. quadrant iii; (2, 4) c. quadrant iii; (โ2, โ4) d. quadrant iv; (โ4, โ2)
Answers: 3
Mathematics, 22.06.2019 03:00
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
Find the area of the polygon with vertices A (-2,-1), B(-2,3), C(1,3) and D(1,1)...
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