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Rus_ich [418]
3 years ago
12

Find the equaton of the line passing through the points (2,11) and (-8, -19) y= ?x ?

Mathematics
1 answer:
olchik [2.2K]3 years ago
7 0

Find the slope:


(-19 - 11) / (-8 - 2) = (-30/-10) = 3


Find the y intercept:

y = mx + b

11 = 3(2) + b

b= 5


So equation is:

y = 3x + 5

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Assuming the amount of money college students spend on text books each semester is symmetrical with a mean of 500 and a standard
TiliK225 [7]

16% percent of the students paid MORE than Jane.

The mean(μ) of money spent on textbooks is 500

The standard deviation(σ) of money spent on textbooks is 50

Money paid by Jane for her books is $550

We will use this formula,

Ζ=x-μ/σ

To find: the percentage of students paid MORE than Jane for the textbooks

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Solution:

P(X > 550)=1-P(X≤550)

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3 0
1 year ago
What is the radius of the circle given by the equation (x-2)^2+y^2=14
Rainbow [258]
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8 0
3 years ago
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Answer:

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Step-by-step explanation:

4 0
3 years ago
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