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3 years ago

3. Write an equation of a line that is perpendicular to the line x – 2y = 8.

Mathematics

1 answer:

xenn [34]3 years ago

7 0

Answer:

y=0.5x+40

Step-by-step explanation:

Copy the equation.

x-2y=8

Subtract x from both sides.

-2y=-x-8

Divide both sides by -2.

y=0.5x+4

Now we know the slope is 0.5.

Any line with a slope of 0.5 will be perpendiculr to the original line.

One that you can use is y=0.5x+40.

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Suppose that IQ scores in one region are normally distributed with a standard deviation of . Suppose also that exactly of the in

olga55 [171]

Answer: Hello your question is poorly written attached below is the complete question

answer : 101.8

Step-by-step explanation:

Given data :

Standard deviation ( б ) = 14

55% have IQ scores > 100

45% have IQ scores < 100

Determine the mean IQ score for the region

P ( X > x ) =

P ( Z ≥ ( 100 - μ ) / 14 ) = 0.55 also

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using standard normal calculator

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resolving the relation above

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Step-by-step explanation:

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