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ollegr [7]
3 years ago
12

You and a friend are doing a science project together The whole project should take 7 hours to complete if you share the project

equally how long will each of you need to work
Mathematics
1 answer:
DerKrebs [107]3 years ago
4 0
3.5 hours each.... 7hrs if work/2 people = 3.5 hrs of work each
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Answer:

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Step-by-step explanation:

The first step to do is make a single triangle from the problem. That triangle can be BDH. We do still need the line BE, although that can wait.

Now find the last angle of the triangle. The sum of angles of a triangle always equal 180, so we can easuly find the missing angle.

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We can use that angle because it sits right next to x on the same line. A line is 180° at any node as long as the line continues straight, so we simply subtract the angle we just found to find x.

180 - 109 = 71

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Step-by-step explanation:

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