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kolezko [41]
2 years ago
9

Use properties of parallel lines to find the value of x

Mathematics
1 answer:
IgorC [24]2 years ago
5 0

Answer:

c/36

Step-by-step explanation:

you can turn it into an inequality because the parallel lines are the same length so

2x + 72=4x

subtract the 2x from both sides

72=2x

divide both sides by 2

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Answer:

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Step-by-step explanation:

We are given;

there are 3 different math courses, 3 different science courses, and 5 different history courses.

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Number ways to take math course = 3

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Now, if a student must take one of each course, the different ways it can be done is;

possible ways = 3 x 3 x 5 = 45 ways.

Thus, number of different ways in which a student must take one of each subject is 45 ways.

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