A trapezoid that is 9.1 cm high has a lower base of 12.4 cm and an upper base of 8 cm. What is the trapezoid’s area, in square cm? Round the answer to the nearest tenth.
What will be an ideal response?
ANS: 92.8
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Solidarity was
A. the slogan of the Southern Democrats who supported Reagan. B. a massive working-class labor union of Polish dissidents. C. the mutual pledge between Ronald Reagan and Margaret Thatcher to confront the Soviet Union. D. the slogan of the new religious right organization, the Moral Majority. E. a song widely used by the revived U.S. labor movement of the 1980s.
PROBLEM 2.41 A brass bolt (Eb = 15 ? 106 psi) of -in. diameter is fitted inside a steel tube (Es = 29 ? 106 psi) of -in. outer diameter and -in. wall thickness. After the nut has been fit snugly, it is tightened one-quarter of a full turn. Knowing that the bolt is single-threaded with a 0.1-in. pitch, determine the normal stress (a) in the bolt, (b) in the tube.
The ________ is a stress test and is the preferred vigor test for corn.
Fill in the blank(s) with the appropriate word(s).
If the centrifugal pump feeding cooled water to a series of water-cooled condensers breaks down, the head pressure of the vapor compression systems will decrease.
Answer the following statement true (T) or false (F)