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nikklg [1K]
3 years ago
12

What is the value of 3-(-2)?

Mathematics
1 answer:
777dan777 [17]3 years ago
8 0

Answer:

5

Step-by-step explanation:

Do the multiplication first:  3 - (-2) becomes 3 + 2.

Thus,

3-(-2) = 5

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a windscreen wiper of a vehicle of length 30 cm clears out an angle of 180 degrees what is the area of the screen cleared take p
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Answer:

Therefore the area of the screen cleared is 1414.28 cm².

Step-by-step explanation:

Given:

a windscreen wiper of a vehicle of length 30 cm

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clears out an angle of 180 degrees implies Semicircle Shape

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To Find:

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= ?

Solution:

We have

\textrm{Area of Semicircle}=\frac{1}{2}\pi(radius)^{2}

Substituting r and pie we get

\textrm{Area of Semicircle}=\frac{1}{2}\times \frac{22}{7}(30)^{2}=1414.28\ cm^{2}

Therefore the area of the screen cleared is 1414.28 cm².

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Step-by-step explanation:

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Read 2 more answers
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