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Gnoma [55]
3 years ago
9

Simplify x2 + 5x + 4/ X + 4

Mathematics
1 answer:
DIA [1.3K]3 years ago
5 0

Answer:

\frac{x3 + 5x2 + 4x + 4}{x}

Step-by-step explanation:

x2+5x+ 4/x+4

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Answer:

90

Step-by-step explanation:

216/36= 6

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3 years ago
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Suppose 60% of the graduating class in a certain high school goes on to college. If 126 students from this graduation class are
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Step-by-step explanation:

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3 years ago
What is the mean of 73 45 88 90 90 81 83
bogdanovich [222]
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7 0
3 years ago
Please help me this is from khan academy :(((
Dmitrij [34]

Answer:

y=1.4x+6.8

Step-by-step explanation:

(-2;4) (-7;-3)

4=-2k+b

-3=-7k+b

7=5k

k=1.4

-2.8+b=4

b=6.8

I already know k and b so I can write an equation.

y=1.4x+6.8

6 0
3 years ago
In order to set rates, an insurance company is trying to estimate the number of sick days that full-time workers at an auto repa
kotegsom [21]

Answer: 31

Step-by-step explanation:

Formula to find the sample size is given by :_

n=(\dfrac{z^*\cdot \sigma}{E})^2

, where z*= critical value corresponds to confidence level.

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E= Margin of error.

As per given , we have

\sigma=2.8

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n=(5.488)^2

n=30.118144\approx31

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3 0
4 years ago
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