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vlada-n [284]
3 years ago
12

I need someone to answer this question

Mathematics
1 answer:
vagabundo [1.1K]3 years ago
5 0

Find the slope of each line.

The slope is found by the change in Y over the change in X


For line AB

Slope = (11-(-4) / (2-(-1)

= 15/3 = 5/1

= 5


For line CD

Slope = (10-1) / (4-1)

= 9/3

= 3


Because the slopes are not the same, the lines are not parallel.


The slopes are not reciprocal of each other so are not perpendicular either.


The answer would be neither.

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1. (01.03 LC)
adoni [48]

Taking into account the definition of percentage, the correct option is: 21 percent of her net pay is left for savings.

First of all, the percentage represents a given quantity that establishes relationships between two quantities, using the number 100 as a reference.

That is, the percentage indicates what part of a total represents a quantity.

To obtain the percentage, the division must be made between the portion of the total and the total amount that belongs to the set, whose result is multiplied by 100.

In this case, if Lillie's current monthly net pay and her monthly expenses are $ 387.10, and I assume that the rest of the money is saved by Lillie, then the amount of money saved is $ 490 - $ 387.10 = $ 102.9.

Then:

  • portion of the total= amount of money saved= $102.9
  • total amount= Lillie's current monthly net pay= $490

So, the percentage is calculated as:

percentage= (102.9÷490) ×100

percentage= 0.21×100

percentage= 21%

The correct option is: 21 percent of her net pay is left for savings.

Learn more about percentage with this examples:

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