Find tan A in the right triangle below .
?

?

A.
B. ?
C. ?
D. ?
E. ?


Answer: A

Mathematics

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Find all rational zeros.f(x) = x4 + 3x3 + 3x2 - 6x - 27

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The velocity v of blood that flows in a blood vessel with radius B and length l at a distance b from the central axis is where P is the pressure difference between the ends of the vessel and q is the viscosity of the blood. Find the average velocity (with respect to r) over the interval 0 ? b ? B.

What will be an ideal response?

Mathematics