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alexdok [17]
2 years ago
13

Find the slope of the line passing through the points (4, 4) and (4, - 4) .

Mathematics
1 answer:
sveticcg [70]2 years ago
3 0

Answer:

  • Slope = undefined

Step-by-step explanation:

<u>We know that:</u>

  • Slope Formula = y₂ - y₁/x₂ - x₁

<u>Solution:</u>

  • y₂ - y₁/x₂ - x₁ = -4 - 4/4 - 4
  • => -8/0 = undefined

Since the slope of the line is un-defined, the line is vertical. Please look at my graph to understand better.

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A random sample of 40 college students has a mean earnings of​ $3120 over the summer months. Assume the population standard devi
PSYCHO15rus [73]

Answer:

A normal distribution or z-test is used to construct a confidence interval.

Step-by-step explanation:

We are given the following in the question:

Sample mean, \bar{x} = $3120

Sample size, n = 40

Population standard deviation, σ = $677

The distribution of earnings of college is a normal distribution.

Conditions:

  • Since we are given the population standard deviation and the the sample size is also greater than 30.

Conclusion:

Thus, we use a normal distribution or z-test to construct a confidence interval.

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3 years ago
The residents of a city voted on whether to raise property taxes. The ratio of yes votes to no votes were 6 to 5. If there were
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3020

Step-by-step explanation:

ans.

Total ratio of votes=6+5

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Ratio of no votes=5

Number of no votes=Ratio of no votes×1 ratio of no votes

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3 years ago
HELLPP PLEASE :) THIS IS HARD BRAINLIEST!
lorasvet [3.4K]

Answer:

1).B

2).A

3).D

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5).C

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Step-by-step explanation:

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7 0
3 years ago
Which method could be used to factor x2 - 25?
Mandarinka [93]

Answer:

A. Perfect square Trinomial

Step-by-step explanation:

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6 0
3 years ago
Read 2 more answers
14.7x + 4x = 0*(46y+39y) Y=14, Solve for X
Dovator [93]
14.7x + 4x = 0*(49y+39y) y = 14

18.7x = 0(686 + 546)

18.7x = 0

x = 0
4 0
3 years ago
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