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Alona [7]
3 years ago
7

Plzz help I will give brainliest THANK YOUUUUPLZZZ

Mathematics
1 answer:
Dominik [7]3 years ago
6 0

Answer:

A. 9x + 27

B. x^2 + 7x

C. 6x + 15

D. 6x + 66

E. 4g + 7.2

Hope this helps :)

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The product of two consecutive room numbers is 272. Find the room numbers
yuradex [85]

Answer:

16 and 17

Step-by-step explanation:

16 * 17 = 272

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3 years ago
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Which statements about residuals are true for the least-squares regression line? I. A random scattering of residuals indicates t
Daniel [21]

Answer:

II. The sum of the residuals is always 0.

Step-by-step explanation:

A least squares regression line is a standard technique in regression analysis used to make the vertical distance obtained from the data points running to the regression line to become very minimal or as small as possible.

For any least-squares regression line, the sum of the residuals is always zero.

Basically, residuals are used to measure or determine whether or not the line of regression is a good fit or match for the data by subtracting the difference between them i.e the predicted y value and the actual y value, for the x value respectively.

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3 years ago
Nicole works Monday through Friday and make $250 for her efforts. How much money does she make per day?
bixtya [17]

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Step-by-step explanation:

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250/5=50

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3 years ago
If the average speed of a garden snail is 0.025 miles per hour and one inch is approximately 2.54 centimeters, how many minutes
BaLLatris [955]

Snail takes 1.5 minutes to travel around one meter

<u>Solution:</u>

Given, the average speed of a garden snail is 0.025 miles per hour  

And one inch is approximately 2.54 centimeters,  

We have to find how many minutes would it take a garden snail to travel one meter?  

Now, let us convert the speed in miles per hour to meters per minute

Then, speed = 0.025 miles per hour  

= 0.025 x 1 mile / 1 hour  

= 0.025 x 1609.34 meters / 60 minutes

= 0.025 x 1609.34 / 60 meters per minute

\begin{array}{l}{=\frac{0.025 \times 1609.34}{60} \text { meters per minute }} \\\\ {=\frac{40.2335}{60} \text { meters per minute }}\end{array}

= 0.670 meters per minute.

Now, 0.670 meters ⇒ 1 minute

Then, 1 meter ⇒ n minutes

So, by criss cross method

n x 0.67 = 1 x 1

n = 1.4912

Hence, snail takes 1.5 minutes approximately to travel 1 meter.

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4 years ago
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Hi, what is 19-93=12x+8y-30e ?
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It is 92826261 i am patrol guy
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