Find the area of triangle ABC (see the figure) with the given information. Round to the nearest tenth.
? = 36.2°, b = 11.5, a = 13.2
A. 70
B. 39.1
C. 75.9
D. 44.8
Answer: A
Mathematics
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Find the area of the specified region.Shared by the circle r = 3 and the cardioid r = 3(1 + sin ?)
A. (5? - 8)
B. (5? + 8)
C. 0
D. 9
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Solve the exponential equation. Use a calculator to approximate the solution to the nearest thousandth.2 = e3 - x
A. x ? 2.301 B. x ? 1.307 C. x ? 2.693 D. x ? 1.699
Mathematics
Graph the ellipse and locate the foci. +
= 1
A. foci at (2, 0) and (-2
, 0)
B. foci at (0, 2) and (0, -2
)
C. foci at (, 0) and (-
, 0)
D. foci at (2, 0) and (-2
, 0)
Mathematics
Divide and simplify. Assume that all expressions under radicals represent positive numbers.
A. 125x2y3
B. 5x2y3
C. 125x5y8
D. 5x2y3
Mathematics