Find the measure of angle A for the triangle shown.
A. 226°
B. 7°
C. 53°
D. 46°
Answer: D
Mathematics
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Solve the problem.Show that if a particle's velocity vector is always orthogonal to its acceleration vector then the particle's speed is constant.
What will be an ideal response?
Mathematics
Solve the equations by factoring.x2 + 12x = -27
A. -9, 3 B. -27, -1 C. 3, 9 D. -9, -3
Mathematics
Find the missing number.
? = 
A. -3
B. 
C. - 
D. 3
Mathematics
Express the number in scientific notation.0.000000026209
A. 2.6209 × 10-7 B. 2.6209 × 108 C. 2.6209 × 10-9 D. 2.6209 × 10-8
Mathematics