Write the differential equations describing the systems in Figure E.17 and find and graph the indicated responses.




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A land-grant university located in the Midwest has an entering freshman class of 1 522 students. A random sample of 150, or approximately 10 percent, of the entering first- year students’ cumulative grade points were recorded. Academic standards require each student to have a first-year grade average of 1.5 or better to return for the sophomore year and 3.5 or better to be eligible for the Dean’s list. The grade point averages (GPA) below have been partially grouped.

(a) Determine the mean grade point average and standard deviation for the sample.
(b) Group the data into equal classes and construct a frequency distribution table.
(c) Draw a histogram of the distribution.

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The symptoms of ____________________, which may appear in nursing mothers, include swelling, redness, and hardness of the mammary glands

Fill in the blank(s) with correct word

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The electrician uses the following amounts of 1-inch EMT conduit: 22.5 feet, 8 feet, 30.25 feet, and 816.75 feet. Find the total amount of EMT used.

Fill in the blank(s) with the appropriate word(s).

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A ____ supports not only itself but also the weight of the roof or other floors constructed above it.

A. bearing wall B. sole plate C. top plate D. nonbearing wall

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