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sladkih [1.3K]
2 years ago
13

shirley is going to have the exterior of her home painted. tims painting charges  $250 plus $14 per hour. colorful prints charge

s  $22 per hoour. how many hours would the job need to take for tims painting to be a better deal
Mathematics
1 answer:
Alexandra [31]2 years ago
6 0
x-\ number\ of\ hours\\\\
250+14x
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Bridget was thinking of a number. Bridget doubles it, then adds 15 to get an answer of 16.4. What was the original number?
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0.7 is the correct number:)
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3 years ago
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What is the area of the shape
Radda [10]

Answer:

A= 18

Step-by-step explanation:

To find the height, find the blocks inside the shape that is completely attached (they have to be in a straight vertical line).  In this case, you can see that three vertical blocks in the middle of the shape is completely attached.  That means your height is 3.

To find the width, look at the how many horizontal boxes make up the top.  6 block inside the shape corispond with 6 blocks on top of the shape, so the width is six.

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7 0
2 years ago
If f(x) = 4(3x - 5), find f-1(x)
deff fn [24]

Answer:

f^{-1}(x) =  \frac{1}{12}(x+20)

Step-by-step explanation:

Given: f(x) = 4(3x - 5)

Is required to find f⁻¹(x)

f(x) = y = 4(3x - 5)

∴ y = 4 * 3x - 4 * 5

∴ y = 12x - 20 ⇒ add 20 to both sides

∴ y + 20 = 12x ⇒ divide both sides by 12

∴ \frac{1}{12} (y+20) = x

Replace the places of x and y.

∴ y=\frac{1}{12} (x+20)

∴ f^{-1}(x) =  \frac{1}{12}(x+20)

7 0
3 years ago
in how many ways can a family of four be seated at a round table if two brothers must sit together a)1 b)8 c)2 d)4​
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Answer:

8

Step-by-step explanation:

i think this is right     if not it would be 2

3 0
3 years ago
Calculate the correlation coefficient for the given data below:
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The correlation coefficient of the data provided is -0.52.

<h3>What is the correlation coefficient?</h3>

Correlation is a measure that is used in statistics to determine the linear relationship that exists between two variables. Correlation can be positive, negative or zero.

Positive correlation is when two variables move in the same direction. Negative correlation is when two variables move in opposite directions. Zero correlation is when there is no relationship between the variables.

Correlation can be determined using a financial calculator. When the financial calculator is used, the correlation coefficient is -0.52

To learn more about negative correlation, please check: brainly.com/question/27246345

#SPJ1

4 0
1 year ago
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