4 years ago

Evaluate g(x-7) if g(x) =

Mathematics

1 answer:

Grace [21]4 years ago

6 0

Answer:

23n-24562371372472542.235262

Step-by-step explanation:

because..................................................................

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Answer:

-40%

Step-by-step explanation:

NV = new value

OV = old value

percent change = (NV - OV)/(OV) × 100%

percent change = (30 - 50)/(50) × 100%

percent change = -20/50 × 100%

percent change = -40%

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2 years ago

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3 years ago

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3 years ago

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3 years ago

In order to determine whether or not there is a significant difference between the mean hourly wages paid by two companies (of t

koban [17]

Answer:

The p-value is;

d. 0.00131

Step-by-step explanation:

The given question parameters are;

Company A ${}$ Company B

Sample size 80 ${}$ 60

Sample mean ${}$ $\overline x_1$ $16.75 $\overline x_2$ $16.25

Population standard deviation ${}$ σ₁ $1.00 σ₂ $0.95

$z=\dfrac{(\bar{x}_{1}-\bar{x}_{2})-(\mu_{1}-\mu _{2} )}{\sqrt{\dfrac{\sigma_{1}^{2} }{n_{1}}+\dfrac{\sigma _{2}^{2}}{n_{2}}}}$

Therefor, we have;

$z=\dfrac{(16.75-16.25)-(0-0)}{\sqrt{\dfrac{1^{2} }{80}+\dfrac{0.95^{2}}{60}}} \approx 3.0128$

The p-value = 1 - 0.99869 (the area to the right of 3.01) = 0.00131

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3 years ago