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mrs_skeptik [129]
3 years ago
11

I need step by step answers I don’t understand this

Mathematics
1 answer:
shtirl [24]3 years ago
5 0

Step-by-step explanation:

The slope-intercept form of an equation of a line:

y=mx+b

<em>m</em><em> - slope</em>

<em>b</em><em> - y-intercept (0, b)</em>

<em />

1.\ \text{Slope is}\ -2\to m=-2,\ \text{y-intercept is}\ -6\to b=-6\\\\\boxed{y=-2x-6}\\\\2.\ \text{Slope is}\ \dfrac{3}{7}\to m=\dfrac{3}{7},\ \text{y-intercept is}\ -1\to b=-1\\\\\boxed{y=\dfrac{3}{7}x-1}\\\\3.\ m=-8,\ b=11\\\\\boxed{y=-8x+11}\\\\4.\ m=0,\ b=-5\\\\\boxed{y=0x-5\to y=-5}\\\\5.\ m=-11,\ \text{y-intercept is}\ (0,\ 13)\to b=13\\\\\boxed{y=-11x+13}

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3 years ago
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Answer:

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Step-by-step explanation:

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5 0
2 years ago
There is a vendor at a carnival selling bags of cotton candy. Each bag of cotton candy has the same cost. She starts each day wi
umka21 [38]

Answer:

The cost of each cotton candy bag is $4.

Step-by-step explanation:

Consider the provided information.

Let, the vendor has x dollar at the starting of each day.

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x+12y=128  .....(1)

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Subtract equation 1 from equation 2.

(x+20y)-(x+12y)=160-128

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Hence, the cost of each cotton candy bag is $4.

6 0
3 years ago
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Svetllana [295]
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4 years ago
-54 + 108 =<br> Thank you!
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Answer: 54 and welcome

Step-by-step explanation:

3 0
3 years ago
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