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riadik2000 [5.3K]
2 years ago
12

What is (12m+1) - (5m-4)

Mathematics
2 answers:
lutik1710 [3]2 years ago
5 0

(12m + 1) - 5m + 4

12m + 1 - 5m + 4

12m + 5 - 5m

= 7m + 5

Kipish [7]2 years ago
3 0

Answer:

7m + 5

Step-by-step explanation:

If you "open up" the parentheses, you would get:

12m+1-5m+4

Which, if you combine like terms, is:

7m+5

Hope this helps :)

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A line with points (-4.0) and (-3.1)<br> has a slope of?
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Step-by-step explanation:

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IgorLugansk [536]

Answer:

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Step-by-step explanation:

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Area of the square.

To calculate the area of the square you have to calculate the square of one of its sides, following the formula:

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Where "a" is the length of one of its side.

The side length of the square is a=7cm, so its area will be:

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Area of the triangles.

The three triangles are equal, they have a base equal to the side of the square, i.e. with a length of 7cm, and their height is h=4cm.

To calculate the area of one triangle, you have to multiply its base by its height and divide by 2, following the formula:

a =  \frac{b.h}{2}  \\  a =  \frac{7.4}{2}  \\ a =  \frac{28}{2}  \\ a =  {14cm}^{2}

The area calculated the correspond to one triangle, since all triangles are congruent, you have to multiply the said area by 3 to determine the area of three figures:

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3 years ago
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