Answer: θ = 162°
Step-by-step explanation:
C = 2πR
therefore R = C/2π = 10/2π = 5/π units
9/2 = Rθ
θ = (9/2) / R = (9/2) / 5/π = (9/2)(π/5) = 9π/10 radians
9π/10 rad(180°/π rad) = 162°
Answer:
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Step-by-step explanation:
Answer:
{x,y} = {4,-4}
Step-by-step explanation:
just took the test
Answer:
(a) C = 25r (b) 8 rooms (c) 7 rooms
Step-by-step explanation:
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(a) C=25r
(b) C = 25r
200 = 25r,
200/25 = 25r/25
200/25 = 8
8 = r, therefore 8 rooms can be cleaned for $200
(c) 200-25 = 25r
200-25=175, so 175 = 25r, then divide both sides by 25, and you get
7 = r , so therefore 7 rooms can be cleaned for $200
Answer:
There is not enough information to answer this question
Step-by-step explanation:
