First, find the fraction of the circumference represented by central angle 7pi/8:
7pi/8
--------
2pi
Then find the circumference; it is C = 2 pi r, or 2pi(6), or 12 pi units
Then the arc length is 7pi/8 7
-------- * 12 pi = -------- units, or 21/4 units, or 5 1/4 units.
2pi 16 pi
Answer:
1
Step-by-step explanation:
There are about 110,000 days in 300 years, so the expected number of failures is about 10/11 ≈ 1.
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This assumes the launch conditions are identical for each of the launches, or that whatever variation there might be has no effect on the probability. These are bad assumptions.
1/6 of a yard is 6 inches. 1/3 of a yard is 12 inches. 5 × 6 = 30. 12 + 30 = 42. 42 ÷ 6 = 7. The student will need to cut 7 pieces of wallpaper.
3:9 You may be asking "THAT'S IT?" but yeah thats all you have to do. Not for all problems thought
Answer:
C
Step-by-step explanation:
x≥−8
