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attashe74 [19]
3 years ago
5

Which expression uses the commutative property to make it easier to evaluate 4/3 * 1/5 * 18​

Mathematics
1 answer:
AnnyKZ [126]3 years ago
8 0

Answer:

Step-by-step explanation:

(4/3) * 18 * 1/5 is easier to calculate.  4(1/3)18 is the same as 4*6, or 24.

Then 24 * 1/5 is 24/5, which is the final answer as an improper fraction.

24/5 = 4 4/5 is an alternative form.

Next time, please share the answer choices.  Thank you.

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Read 2 more answers
How do i solve for this?
Firdavs [7]

9514 1404 393

Answer:

  97.42 square units

Step-by-step explanation:

The area of a sector is given by ...

  A = (1/2)r²θ

where r is the radius (12.2) and θ is the central angle in radians. Here, you're given the central angle as 75°, so you need to convert that to radians.

  75° = (75°)×(π/180°) radians = (5/12)π radians

Then the area is ...

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__

Equivalently, you can find the area of the circle in the usual way:

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3 years ago
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