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iris [78.8K]
2 years ago
9

Name the equation for any horizontal line of your choosing

Mathematics
1 answer:
noname [10]2 years ago
3 0

Answer:

Horizontal lines have a slope of 0. Thus, in the slope-intercept equation y = mx + b, m = 0. The equation becomes y = b, where b is the y-coordinate of the y-intercept.

Step-by-step explanation:

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3x+7

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Simply changing the y intercept will make both lines parallel without changing its slope

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Need help with math probelm if do 5 stars
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9.Lawson will pay $612 to three different credit cards: Expert Card, Passport, and US Speedy. He will pay five times as much to
andre [41]

Answer:

$102

Step-by-step explanation:

We need to build a system of equations for this question.

I am going to call x the value Lawson will pay to Expert Card, y the value he will pay to passport and z the value he will pay to US Speedy.

He will pay $612 in all, so x+y+z = 612.

He will pay 5 times as much to Expert Card as US Speedy, so x = 5z.

The passport payment will be only 20% of the total of the other two payments. So y = 0.2(x+z).

Now we have the following system of equations:

1)x+y+z = 612

2)x = 5z

3)y = 0.2(x+z)

And we need to find y.

I will put 2) and 3) at 1). We end up with:

5z + 0.2(5z+z)+z = 612

5z + 1.2z + z = 612

7.2z = 612

z = $85

Knowing z, now we can find y at 3)

y = 0.2(x+z)

y = 0.2(5z+z)

y = 1.2z

y = 1.2(85)

y = $102

Lawson will pay $102 towards the passport credit balance.

4 0
3 years ago
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