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Ymorist [56]
3 years ago
5

The lines shown below are perpendicular. If the green line has a slope of

Mathematics
1 answer:
Serga [27]3 years ago
5 0

Answer:

-1/7

Step-by-step explanation:

This is because a perpendicular lines slope is the opposite reciprocal of the first slope.

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4a-b<br> Evaluate the expression when a=5 and b=-7
stepladder [879]

Answer:

27

Step-by-step explanation:

So first we need to plug in 5 as the variable a and -7 as the variable b

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Next we multiply the 4 and the 5 together to get 20

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Now we subtract negative 7 from 20

20-(-7) = 27

This can also be written as 20 plus 7 as a mathematical rule states: two negatives make a positive. So:

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