Mathematics, 22.10.2020 23:01, 182075

A teacher gave a test with 50 questions, each worth the same number of points. Donovan got 40 out of 50 questions right. Marci's score was 92%. How many more questions did Marci answer correctly?

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Mathematics, 21.06.2019 22:20, skyhighozzie

(b) suppose that consolidated power decides to use a level of significance of α = .05, and suppose a random sample of 100 temperature readings is obtained. if the sample mean of the 100 temperature readings is x⎯⎯ = 60.990, test h0 versus ha and determine whether the power plant should be shut down and the cooling system repaired. perform the hypothesis test by using a critical value and a p-value. assume σ = 5. (round your z to 2 decimal places and p-value to 4 decimal places.)

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Mathematics, 22.06.2019 01:30, peterradu47781

Talia grouped the terms and factored out the gcf of the groups of the polynomial 15x2 – 3x – 20x + 4. her work is shown below. (15x2 – 3x) + (–20x + 4) 3x(5x – 1) + 4(–5x + 1) talia noticed that she does not have a common factor. what should she do?

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Mathematics, 22.06.2019 03:30, keyonaemanieevans

The diameter of the moon is about 3500 km. approximate the surface area of the moon using the formula for the surface area of a sphere, s = 4πr2. write your answer in scientific notation.

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A teacher gave a test with 50 questions, each worth the same number of points. Donovan got 40 out of...