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natima [27]
3 years ago
9

Find the area of the sector with a central angle of 60° and a radius of 5 inches. round to the nearest tenth.

Mathematics
2 answers:
slavikrds [6]3 years ago
7 0
Area of sector=thita/360 ×pi×r^2
=60/360×22/7×5×5
=275/21
=13.0952
=13.1 inch^2
Snowcat [4.5K]3 years ago
3 0

Answer:

the answer is 13.1 inches

Step-by-step explanation:

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Mike age is 3 less then twice the age of his brother nuke.
M = Mike's age now
N = Nuke's age now
M = 2N - 3

Ten years ago, four times nuke's age was one more mike's age.
M-10 = Mike's age 10 years ago
N-10 = Muke's age 10 years ago
4(N - 10) = 1 + M -10

what are their present ages

find M and N

substitute M = 2N - 3 into 4(N - 10) = 1 + M -10:

4(N - 10) = 1 + [2N - 3] - 10
4N - 40 = 2N - 12
2N = 28
N = 14

M = 2(14) - 3 = 28 - 3 = 25

Mike is 25 and Nuke is 14.

check:
4(14 - 10) = 4(4) = 16 = 26 -10 = 1 + 25 - 10
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