Find the difference.
?

?
A.
B.
C.
D.
E.
Answer: D
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Solve the problem. Assume the x-axis is horizontal, the positive y-axis is vertical (opposite g), the ground is horizontal, and only the gravitational force acts on the objects. A projectile is launched from the origin at an angle of ? radians to the horizontal and an initial speed of Find the position function r(t) for this projectile.
A. r(t) = (125t cos ?)i + (125t sin ? - 16t2)j B. r(t) = (125t cos ? - 32t2)i + (125t sin ?)j C. r(t) = (125t sin ? - 16t2)i + (125t cos ?)j D. r(t) = (125t sin ?)i + (125t cos ? - 16t2)j
Determine if the given set of whole numbers is closed under addition.{n ? N|n ? 35}
A. Closed B. Not closed
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
Determine what percent of the figure is shaded.
A. 75%
B. 10%
C. 25%
D. 33%