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3 years ago

-3x+7=6x-2 What would the variable be?

Mathematics

1 answer:

Solnce55 [7]3 years ago

5 0

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How to find area of a rectangle?

anyanavicka [17]

Formula

Area = L*w

Hint : To find the area of a rectangle , multiply the length times the width

I hope that's help !

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3 years ago

Hello can you please help me posted picture of question

astra-53 [7]

The answer is D because there is one of the 0 and one of the 9

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3 years ago

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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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2 years ago

The sum of four and the product of three and a number

GaryK [48]

Answer:

4 + 3x

Step-by-step explanation:

Let the number = x

Product of three and a number = 3*x = 3x

Sum of four and 3x = 4 + 3x

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1 year ago

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HELP WILL GIVE BRAINLIEST IF CORRECT

ss7ja [257]

Answer:

Step-by-step explanation:

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2 years ago