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3 years ago

What is the equation of the line (in point-slope form) that is parallel to y+2=−7(x+3) and passes through the point (1,4)?

Mathematics

1 answer:

bulgar [2K]3 years ago

4 0

Answer:

y−4=−7(x−1)

Step-by-step explanation:

The point-slope form of the equation for a line with slope m through point (h, k) is ...

y -k = m(x -h)

Your given line has a slope of -7. The parallel line will have the same slope.

So, you want to fill in the above form with m=-7, (h, k) = (1, 4):

y -4 = -7(x -1)

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Your company offers warranty coverage for MP3 players. The policy provides for the replacement of MP3 players that fail within 3

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Answer:

181 MP3 players

Step-by-step explanation:

Given data:

Replacement of MP3 that fail within 3 years

expected lifetime of MP3 = 5 years

number of MP3 players purchased = 1000

number of MP3 players replaced in the first year = ?

To determine the number of MP3 replaced in the first year we will employ this formula:

$E(To) = \frac{1}{u} = e_{x} ^{0} =\int\limits^a_0 {po} \, dt$

a = ∞

since the given problem is an exponential distribution

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next we will determine the number of MP3's to fail in its first year of purchase

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attached below is the remaining part of the solution

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