Decide whether the figure is convex or concave.
A. Concave
B. Convex
Answer: B
Mathematics
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The rectangular coordinates of a point are given. Find polar coordinates of the point. Express ? in radians.(0, -
)
A. (-
, 90°)
B. (
, 90°)
C. (-
, 270°)
D. (-
, 180°)
Mathematics
Factor the polynomial by grouping.12x2 - 15x - 16x + 20
A. (3x + 4)(4x + 5) B. (3x - 4)(4x - 5) C. (12x - 4)(x - 5) D. (12x + 4)(x + 5)
Mathematics
There are no exercises for this objective.
What will be an ideal response?
Mathematics
Use the law of Cosines to solve the given triangle. Round your answer to two decimal places.
?
a = 9, b = 5, c = 10
A. A ? 29.93°, B ? 63.90°, C ? 86.18° B. A ? 86.18°, B ? 29.93°, C ? 63.90° C. A ? 86.18°, B ? 63.90°, C ? 29.93° D. A ? 63.90°, B ? 86.18°, C ? 29.93° E. A ? 63.90°, B ? 29.93°, C ? 86.18°
Mathematics