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joja [24]
3 years ago
11

Please help! i'll mark brainliest <3

Mathematics
1 answer:
Inessa [10]3 years ago
7 0

Answer:

The piano is 5.1 feet wide.

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Ms Hart had 40 dollars to spend on costume boxes for the musical. If she bought 12 boxes and received 4 dollars in change, how m
artcher [175]

Answer:each box cost =$3

Step-by-step explanation:

Amount of money Ms Hart has to spent on costume boxes=$40

Amount gotten as change after purchase=$4

Amount actually used up buying costume boxes =$40-$4=36

Since she bought 12 boxes , each box cost =$36/ 12=$3

5 0
3 years ago
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
2 years ago
Use angle relationships to complete the top equation. Then, solve for x and find the measure of both angles.
likoan [24]
4x + 80 = 180
x = 25

2x + 80 = 130
2x = 50
7 0
2 years ago
What is the volume of a cylinder with base radius 3 and height 5?
NARA [144]

Answer:

Multiplying by the height h we get

volume  =  π  r 2  h

where:

π  is Pi, approximately 3.142

r  is the radius of the circular end of the cylinder

h  height of the cylinder

Step-by-step explanation:

4 0
3 years ago
Number 15 pls I am confused. Can you pls help ASAP.
Lady_Fox [76]

Answer:

3.76 * 10^4

Step-by-step explanation:

He had 4.6 * 10^4 - 8.4 * 10^3

= (460 - 84) * 10^2

= 376*10^2

= 3.76 *10^4   answer

6 0
3 years ago
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