Solve.The crushing load of a square wooden post varies directly as the fourth power of its thickness and inversely as the square of its length. If a post
thick and
high is crushed by a load of
what is the crushing load of a post
thick and
style="vertical-align: -4.0px;" /> high?
A. 900,000 tons
B. 500 tons
C. 4,000 tons
D. 10 tons
Answer: B
Mathematics
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Find the center of mass of a thin plate of constant density covering the given region.The region bounded by y = 10 - x and the axes
A. = 10,
= 10
B. = 50,
= 50
C. =
,
=
D. =
,
=
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A.
B.
C.
D.
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Use point plotting to graph the plane curve described by the given parametric equations.x = 3t, y = t + 4; -2 ? t ? 3
A.
B.
C.
D.
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Write the expression in the standard form a + bi.(-9 + i)(-9 - i)
A. 81 B. -9 C. -80 D. 82
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