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photoshop1234 [79]
1 year ago
13

Marissa is painting her rectangular patio, with the exception of a bench that does not need to be painted: rectangle with a leng

th of x plus 25 and width of x plus 15 with a rectangle in the bottom right corner labeled bench that has a length of 10 and width of 3 write an equation to determine the area, a, of the patio that will be painted. a = (x 18)(x 35) a = (x 15)(x 25) 30 a = (x 5)(x 22) a = (x 25)(x 15) − 30
Mathematics
1 answer:
Anastasy [175]1 year ago
3 0

The correct option is D.

An equation to determine the area, a, of the patio that will be painted :

a = (x + 25)(x + 15) - 30

<h3>What is Geometrical figure?</h3>

Geometric shapes are the mathematical figures that show how ordinary objects in our world are shaped. Shapes in geometry are the configurations of things with boundary lines, angles, and surfaces.

<h3>According to the given Information:</h3>

Length of the rectangular patio is (x+25).

Width of the rectangular patio is (x+15).

Length of bench is 5.

Width of the bench is 1.

<h3>Area of rectangle:</h3>

Area of a rectangle is:

A = Length x Width

Area of rectangular patio is:

A_1 = (x + 25)(x + 15)

Area of bench is:

A_2 = 10 x 3

   = 30

The painting area is:

A = A_1 - A_2

A = (x + 25)(x + 15) - 30

Therefore, the correct option is D.

An equation to determine the area, a, of the patio that will be painted :

a = (x + 25)(x + 15) - 30

Find out more about 'Area of rectangle' here:

brainly.com/question/13163974

#SPJ4

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Step-by-step explanation:

The calculation of the value of the linear correlation coefficient R is shown below:-

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or

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For clarification look at the spreadsheet which has been attached and uses the following steps which are as follows

Step 1

To activate the data analysis option:- Go to file menu click on add-in option and choose the manage option and select Excel Add-in option click on Ok after that choose Analysis Tool Pak

Step 2

After following step 1 choose data tab and select data analysis tab and select correlation and click ok

Step 3

After selecting correlation to select the range from $A$2:$B$9 and then click OK to reach the value of linear correlation coefficient R.

4 0
3 years ago
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