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2 years ago

Write a verbal expression for: 20+6

Mathematics

2 answers:

Helen [10]2 years ago

8 0

what is the result of the addition of 20 and 6

victus00 [196]2 years ago

3 0

$\boxed{\sf twenty~plus~six }\boxed$

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A 90 percent confidence interval for the slope of a regression line is determined to be (-0.181, 1.529). Which of the following

GenaCL600 [577]

Answer: a. The correlation coefficient of the data is positive.

Step-by-step explanation:

Estimated slope of sample regression line = $\dfrac{Upper \ limit + lower\ limit}{2}$

Here , confidence interval : (-0.181, 1.529)

Estimated slope of sample regression line = $\dfrac{-0.181+1.529}{2}$

$=\dfrac{1.348}{2}\\\\=0.674\ \ \ \ [\text{ positive}]$

⇒Correlation coefficient(r) must be positive, So a. is true.

But, d. and e. are wrong(0.674 ≠ 0 or 1.348).

We cannot check residuals or its sum from confidence interval of slope of a regression line, so b is wrong.

We cannot say that scatterplot is linear as we cannot determine it from interval, so c. is wrong

So, the correct option : a. The correlation coefficient of the data is positive.

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3 years ago

video streaming company a charges a one-time $40 membership fee and $2 per video stream. video streaming company b charges a one

ExtremeBDS [4]

Answer:

Company A:

c = 40 + 2s

Company B:

c = 20 + 4s

Equal costs => 40 + 2s = 20 +4s => 4s - 2s = 40 - 20 => 2s = 20 => s = 20/2

=> s = 10

And c = 20 + 4s = 20 + 4(10) = 20 + 40 = 60

Step-by-step explanation:

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3 years ago

Evaluate the expression <br>18C14

Anton [14]

Answer:

i776

f55

Step-by-step explanation:

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3 years ago

How many eighths in one half

11111nata11111 [884]

4/8 = 1/2 so it is four eigths in one half. 4/8 simplified is 1/2

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3 years ago

Read 2 more answers

What could make it fair game

Elden [556K]

what could make it fair game? well in order to make it fair game you would have to change the 5 and or 0 on the board so it wouldn't give you $5 automatically and $0 automatically

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3 years ago