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Oxana [17]
3 years ago
11

3+(3-8)²-7 needing help solving this

Mathematics
2 answers:
Dahasolnce [82]3 years ago
5 0
The anwser would be 21
WITCHER [35]3 years ago
4 0

Answer:

21

Step-by-step explanation:

  1. first break (3 - 8) whole square
  2. and it become 25
  3. then it become 3+25 - 7
  4. then 21 ans
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if the area of a sector is 15pi square cm and the radius is 5cm find the measure of the central angle​
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Given:

Area of a sector = 15\pi

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To find:

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Solution:

The area of a sector is:

A=\dfrac{1}{2}r^2\theta

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Putting A=15\pi, r=5 in the above formula, we get

15\pi=\dfrac{1}{2}(5)^2\theta

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30\pi=25\theta

Divide both sides by 25.

\dfrac{30\pi}{25}=\theta

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Therefore, the central angle in radians is \theta=\dfrac{6\pi}{5}.

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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If it took sue 35 minutes to get to work, and 50 minutes to get home, how long did she spend travelling to and from work
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It took sue 85 minutes
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Step-by-step explanation:

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