Answer:
D
Step-by-step explanation:
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Sin(a + b) = sin a .cos b + cos a . sin b
Answer:
0.321 (Answer D)
Step-by-step explanation:
Note that the event "A and Y" happens 9 times. That's 9 times out of (6+9+8+5) outcomes, or 28 outcomes.
Hence, P(A and Y) = 9/28, or 0.321 (Answer D)
Answer:
x=9
Step-by-step explanation:
2x+12=5x-15
3x=27
x=9