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telo118 [61]
3 years ago
6

Find the measure of the missing angles.

Mathematics
1 answer:
MAXImum [283]3 years ago
5 0
Answer- A- 20, B-70, c-20, d-50, e- 110

I think
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Answer:

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Step-by-step explanation:

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The solutions to the equation 2x2+x-1=2
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Answer: x = ⅗

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2 years ago
1. Chelsea can paint a fence in 9 hours, and Greg can paint the same fence in 7 hours. How long does it take them to paint the f
Leto [7]

Answer:

  1. 3.9 hours
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Step-by-step explanation:

<h3>1.</h3>

The sum of the rates of painting, in fences per hour, is ...

  1/9 + 1/7 = (9+7)/63 . . . . fences per hour

The total rate in hours per fence is the inverse of that:

  63/16 = 3 15/16 ≈ 3.9 . . . hours to paint the fence

__

<h3>2.</h3>

The relevant relationship is ...

  distance = speed × time

Let t represent Tom's speed in miles per hour. Then George's speed is (t-36). They both have traveled the same total distance at the point where Tom catches up.

  (2+3)(t-36) = 3t

  2t = 180 . . . . . . . add 180-3t

  t = 90 . . . . . . divide by 2

Tom's average speed is 90 miles per hour.

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2 years ago
It took Fred 12 hours to travel over pack ice from one town to another town 360 miles away. During the return journey it took hi
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Step-by-step explanation:

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