3 years ago

Use the slope formula to find the slope between the given two points. (-4, -1) and (-2, -5)

Mathematics

1 answer:

Aleks04 [339]3 years ago

5 0

Answer:

y2 -y1 over x2 - x1

Step-by-step explanation: plz mark brainliest

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Construct the 95% confidence interval for the population mean using the appropriate distributions. a. A random sample of 50 peop

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Answer: 95% confidence interval would be (26.01,29.39).

Step-by-step explanation:

Since we have given that

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So, it becomes,

$\bar{x}\pm z\times \dfrac{\sigma}{\sqrt{n}}\\\\=27.7\pm 1.96\times \dfrac{6.12}{\sqrt{50}}\\\\=27.7 \pm 1.69\\\\=(27.7-1.69,27.7+1.69)\\\\=(26.01,29.39)$

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3 years ago

The cost for taking a taxi is $1.80 plus $0.10 per eighth of a mile. What is the cost of a ride that is 4.5 miles long?

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$1.80 + (8x$0.10)*4.5 = $5.40

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