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lisov135 [29]
3 years ago
10

Multiply and completely simplify: (4x+6) (x-1) PLEASE HELP NOW

Mathematics
1 answer:
nikdorinn [45]3 years ago
6 0

Answer:

-2.333333333

Step-by-step explanation:

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one million two hundred thirty four thousand six hundred seventy eight

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Sue Anne owns a medium-sized business. The probability model below describes the number of employees that may call in sick on an
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The mean is  \mu  = 2.1

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The mean number of employees calling sick per day can  be mathematically represented as

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Simplify the fraction (4t^2-16/8) / (t-2/6)
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A. 3(t+2)

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3 years ago
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Shelly is trying to improve her running time for a track race she ran the first race in 43.13 seconds her time was 43.1 seconds
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I we consider her running times as an arithmetic series with common difference:
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Last PreCalc Question, Need help with writing piecewise functions with graphs. Giving brainliest!
LekaFEV [45]

The piece-wise linear functions can be written as follows:

  • f(x) = x, x \leq -2.
  • f(x) = -x - 7, -2 < x \leq 1.
  • f(x) = 2x - 9, x > 1.

<h3>What is a linear function?</h3>

A linear function is modeled by:

y = mx + b

In which:

  • m is the slope, which is the rate of change, that is, by how much y changes when x changes by 1.
  • b is the y-intercept, which is the value of y when x = 0, and can also be interpreted as the initial value of the function.

For x equal or less than -2, the line passes through (-3,-3) and (-2,-2), hence the rule is:

f(x) = x, x \leq -2.

For x greater than -2 up to 1, the y-intercept is of -7, and the line also passes through (1,-8), hence the rule is:

f(x) = -x - 7, -2 < x \leq 1.

For x greater than 1, the function goes through (2,-5) and (3,-3), hence the slope is:

m = (-3 - (-5))(3 - 2) = 2.

The rule is:

y = 2x + b.

When x = 2, y = -5, hence:

-5 = 2(2) + b

b = -9.

Hence:

f(x) = 2x - 9, x > 1.

More can be learned about linear functions at brainly.com/question/24808124

#SPJ1

5 0
2 years ago
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