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Monica [59]
3 years ago
12

4/5+×=13/5 how do I solve this problem

Mathematics
1 answer:
Julli [10]3 years ago
4 0
Subtract 4/5 from each side.
You get x=9/5
For future problems like this,  use the inverse operations.
Inverse operations:  (Addition,  subtraction)  (Multiply,  divide)
Like if it is 5x=25,  divide by 5.
x=5
For this x=9/5 though
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so the slope is undefined

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Find the area of a triangle with vertices (1,5), (1, -2), (3,-2).
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There are 325 rows of 9 chairs in the theater. There are 102 chairs in the the balcony. About how many chairs are there?
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Find the area of the composite figure.
Viefleur [7K]

The area of the composite figure from the image attached is 112.5 units²

<h3>What is the area of a composite figure?</h3>

The area of a composite figure refers to the sum total of all the areas of the shapes in that composite figure. This can be done by first identifying the shapes in that composite figure, then finding each area, followed by the addition of all the areas to determine the area of the composite figure.

From the given figure; we can break it down into:

  • A parallelogram
  • A rectangle
  • A triangle

The area of a parallelogram = b × h

where;

  • b & h refers to the length of the two opposite diagonal lines.

The area of a parallelogram =  9 × 6

The area of a parallelogram = 54 units²

The area of a rectangle = Length × breadth

The area of a rectangle = (9 × 3) units²

The area of a rectangle = 27 units²

The area of the triangle \mathbf{=\dfrac{1}{2}\times b \times h}

where;

  • Base = b
  • Height = h

The area of the triangle \mathbf{=\dfrac{1}{2}\times b \times h}

The area of the triangle \mathbf{=\dfrac{1}{2}\times 9 \times 7}

The area of the triangle \mathbf{= 31.5 units^2}

Therefore, the area of the composite figure is:

= 54 + 27 + 31.5

= 112.5 units²

Learn more about composite figures here:

brainly.com/question/15981553

4 0
1 year ago
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