1/2 + .50 + 1/5 help ):
2 answers:
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Answer:
Step-by-step explanation:
Radius = r = 9 cm
Angle = θ = 200° = 3.5 radians
Now,
Area = 1/2 (9)²(3.5)
Area = 1/2 (81)(3.5)
Area = 282.7 / 2
Area of sector = 141.4 cm²
Answer:
The number of problems solved = 2000
Step-by-step explanation:
Let us assume the monthly quota of problems be x
number of problem solved in first week = 25 % of x =
number of problems solved in 2nd week = 110% of (problems solved in 1st week)
=
=
number of problem solved 3rd week= 60% of ( problems solved in 1st and 2nd week)
=
=
=
number of problem solved in 4th week =
now we have
number of problems solved in ll 4 weeks = x
Hence the number of problems solved = 2000