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3 years ago

A hair cut cost $25 and you want to leave a 15% tip what is the total bill?

2 answers:

6 0

You need to change 15% to a decimal and multiply it by 25

25 x 0.15 = 3.75

Then add 3.75 to 25 to get the total

25 + 3.75 = 28.75

So, the answer is 28.75$

Hope it helps :)

Ierofanga [76]3 years ago

3 0

Answer:

28.75 hope this helps

Step-by-step explanation:

it works

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3 years ago

Read 2 more answers

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

What is the value of x in the equation 3x-5=1/2x+2x

Drupady [299]

Answer:

exact form: x= 11/2

Decimal Form

X= 5.5

Mixed form

X= 5 1/2

Step-by-step explanation:

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3 years ago

Are these correct? ILL MARKYOU AS BRAINLIEST

Soloha48 [4]

Answer:

It definitely seems right, so you should be good!

<h2><u></u></h2><h2><u>Hope This Helped!</u></h2>

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3 years ago

Given J(1,4) and the midpoint is M(2, 1), find the other endpoint K.

Marina CMI [18]

3, if you do the y^2-y^1/x^2-x^1 you will get 3/1 which will be simplified to 3.

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4 years ago