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kipiarov [429]
3 years ago
12

Helpppppppppppppooppppppppoopppppppppppppp

Mathematics
2 answers:
MrRissso [65]3 years ago
3 0

I need points soo I can post my question an get help my self...

kogti [31]3 years ago
3 0

Answer:

5x-3y= -15

Step-by-step explanation:

y=m(x)+b

y= (5/3)x - 5

m= slope, which is rise (change in y) over run (change in x), so 5/3

b= the y-intercept, where the line intersects the axis: x=0, in this case -5 is the y-intercept

Then...

Ax+By=C

y-(5/3)x = -5

y-(5/3)x + 5=0

-(5/3)x +y +5=0

multiply times 3 bc you can't have fractions

-5x+3y+15=0

multiply by -1 bc the first number can't be a negative

5x-3y+15=0

5x-3y= -15

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Answer:

88 score.

Step-by-step explanation:

Given:

To get a B in​ math, Alexandria Pappas must<u> average 80</u> on five tests.

Scores on the first four tests were <em>82​, 74​, 82​, and 74.</em>

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What is the lowest score that she can get on the last test and still get a​ B?

Solution:

Let lowest score she can get on the last test = x

As we know:

Average=\frac{Sum\ of \ observations}{Number\ of\ observations}\\ \\ 80=\frac{82+74+82+74+x}{5} \\ \\

By cross multiplication:-

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5 0
3 years ago
What is the value of 7+z divide by 2 when z=10
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Given:

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See the graph attached to this question.

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