um half hour? because at 4mph youll get 4 miles in an hour so 2 miles, is half the rate which makes it half hour
The answer is a(n) = 6n - 2
Answer:
your answer will be<u> A.85°</u>
Step-by-step explanation:
hope it helps you
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Trigonometry:
We know that csc x = 1 / sin x and π = 180°;
sin 5π/ 6 = sin 150° = 1/2
csc 2π / 3 = 1 / sin 120° = 1 / √3/2 = 2 / √3
Finally:
4 · 1/2 + 7 · ( 2 / √3 )² = 2 + 7 · 4/3 =
= 2 + 28/3 = 2 + 9 1/3 = 11 1/3