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Sophie [7]
3 years ago
6

Maia says that the lines in this system of linear eqations are parallel. is she correct? explain.

Mathematics
2 answers:
jeka57 [31]3 years ago
7 0
Yes they are parallel
Vitek1552 [10]3 years ago
4 0

Answer:

yes, they are parallel because their slopes are the same

Step-by-step explanation:

if you put each equation into slope-intercept form and compare slopes you can see whether they are parallel or not

2x + y = 14

y = -2x + 14

slope = -2

2y + 4x = 14

2y = -4x + 14

slope = -4/2, which simplifies to be -2

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expeople1 [14]
Your goal is to have x by itself
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5 0
2 years ago
Marcus has earned 353 out of 400 points (88% or B+) in Math class. He needs 90% to earn an A-. There is one test left worth 100
aleksklad [387]

Answer:

97

Step-by-step explanation:

Marcus is aiming for an A- (90-94 percent). The question states that there is another test awaiting that is worth 100 points. In order to find the answer to the question, you need to:

1.) Add 400 + 100, to show how many points there are in total.

2.) Use the answer choices and add it to 353.

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97 + 353 = 450

3.) Find the percentage of the sums.

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446/500 = 89%

450/500 = 90%

Since Marcus is aiming for an A-, we can conclude that obtaining 97 points will help Marcus achieve an A-.

8 0
2 years ago
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