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Norma-Jean [14]
4 years ago
10

Answer ASAP Find the area of each sector. Round your answer to the nearest tenth

Mathematics
2 answers:
olga55 [171]4 years ago
7 0
3.14*18/4= 14.13
14.1 is your answer
Gelneren [198K]4 years ago
5 0
To find the area pi r^2  pi 18^2 = 324
but since its 1/4 of a circle 324/4 = 81pi
81 * 3.14 = 254.46
Let me know if I'm wrong 
Hope this helps ;)
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5 seconds it will hit the water.

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y=-16t²+400

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3 years ago
The washer in the image has an inner diameter of 1/4 inch. The outer diameter measures 3/4 inch, and the washer is 1/4 inch thic
Talja [164]

Answer:

  0.14 lb . . .  closest choice is 0.11 lb

Step-by-step explanation:

The inside and outside radii are 1/8 in and 3/8 in, respectively. Then the area of the top of the washer is ...

  A = π(R² -r²) = π((3/8)² -(1/8)²) = π(9/64 -1/64) = π/8 . . . square inches

The height of the stack of 5 washers will be 5×(1/4 in) = 5/4 in. So, the volume of material in the stack of washers is ...

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_____

<em>Comment on the question</em>

Since this answer does not correspond to any of the offered choices, we suggest you ask your teacher to work this out for you. We suspect they will have difficulty justifying any of the answer choices shown here. (0.11 lb corresponds to 4 washers, not 5.)

5 0
4 years ago
Add 7 and y, then add z to the result
Illusion [34]

(7+y)+z

Step-by-step explanation:

this is to separate the sum of 7 and y from z

6 0
4 years ago
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