3 years ago

What is the slope intercept form of the equation

2 answers:

7 0

First you was to put the question into mx+b=y
1. x-7y=0
-x on both sides
-7y=-x+0
divide both side by -7
y= 1/7x+0 is the answer
you don’t have to add the 0

jenyasd209 [6]3 years ago

6 0

I don’t remember lol

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kumpel [21]

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c) 2.3%

Step-by-step explanation:

We are given the following information in the question:

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Standard Deviation, σ = 119

We are given that the distribution of math scores is a bell shaped distribution that is a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

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$P(411 \leq x \leq 649)\\\\= P(\displaystyle\frac{411 - 530}{119} \leq z \leq \displaystyle\frac{649-530}{119})\\\\= P(-1 \leq z \leq 1)\\\\= P(z \leq 1) - P(z < -1)\\= 0.841 - 0.159 = 0.682 = 68.2\%$