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dybincka [34]
3 years ago
8

PLEASE help me solve this question! No nonsense answers please!

Mathematics
1 answer:
nikitadnepr [17]3 years ago
3 0

Answer:

$6,291.70

Step-by-step explanation:

You're given the equation and you're given an x-value; 75,834. Just plug it in to get m = 2500 + 0.05(75,834) = 2500 + 3791.70 = 6,291.70

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Find the value of the following expression:
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7040477235.56798349

 round answer as needed

8 0
3 years ago
A polymer is manufactured in a batch chemical process. Viscosity measurements show that it is approximately normally distributed
PilotLPTM [1.2K]

Answer: (751.05, 766.95)

Step-by-step explanation:

We know that the confidence interval for population mean is given by :-

\overline{x}\pm z*\dfrac{\sigma}{\sqrt{n}},

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n= 42

\overline{x}=759

We know that from z-table , the two-tailed critical value for 99% confidence interval : z* =2.576

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759\pm (2.5760)\dfrac{20}{\sqrt{42}}\\\\=759\pm (2.5760)(3.086067)\\\\=759\pm7.9497=(759-7.9497,\ 759+7.9497)\]\\=(751.0503,\ 766.9497)\approx(751.05,\ 766.95)

∴ A 99% confidence interval around the true population mean viscosity : (751.05, 766.95)

3 0
3 years ago
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Lady_Fox [76]
2x + 30 = -20x + 8
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Step-by-step explanation:

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35.5

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H, A

Cos=A/H

Cos 65= 15/x

x=15/cos 65

8 0
3 years ago
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