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IRINA_888 [86]
3 years ago
14

explain how you can use a straightedge and a protractor to show that each angle you formed by a bisector is one-half the origina

l angle
Mathematics
1 answer:
Natasha2012 [34]3 years ago
3 0
You can do that by simply measuring the main angle and then measuring each of the two angles. If you bisected the angle correctly, you will find that each of the two angles is equal to half the original.

You can measure the angle by following these steps:
1- Place the straightedge on the base of the angle.
2- Slide the protractor over it until the vertex of the angle is at the zero of the protractor.
3- Measure the angle.
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x=12

Step-by-step explanation:

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There are 8 students on a minibus. 5 students are boys. What is the fraction of students?
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The fraction of boys to total students would be 5/8

The fraction of boys to girls would be 5/3
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Answer:

The answer to your question is There were sold 166 adult tickets and 294

                                                     children tickets.

Step-by-step explanation:

Data

Total number of seats = 460

cost for adults = a = $52

cost for children = c = $26

Total cost = $16276

Process

1.- Write equations to solve this problem

              a + c = 460                    Equation l

         52a + 26c = 16276             Equation ll

2.- Solve the system of equation by substitution.

-Solve equation l for a

             a = 460 - c

-Substitute a in equation ll

         52(460 - c) + 26c = 16276

-Expand

         23920 - 52c + 26c = 16276

-Simplify

                     -26c = 16276 - 23920

                     -26c = -7644

                          c= -7644/-26

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