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IgorLugansk [536]
2 years ago
12

Please help I'll give brainiest

Mathematics
2 answers:
Komok [63]2 years ago
8 0
For the first is 3864
The second is 1320
A=3.14(which is pie) x 20.5^2
A=420x pie
A=1320
For the third is 2544
3864-1320=2544
Sorry if this is wrong too.
Vsevolod [243]2 years ago
4 0
1. 3861
2. 1320
3.2544
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An art class is making a mural for their school which has a triangle drawn in the middle. The length of the bottom of the triang
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Answer:

The perimeter of the triangle can be expressed as 5x + 18.

Step-by-step explanation:

Perimeter of an object is the sum of the length of its sides.

For the required triangle, we have;

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Perimeter of the triangle = length of the base + length of the second side + length of the third side

                                        = x + (3x + 9) + (x + 9)

                                        = x + 3x + 9 + x + 9

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The perimeter of the triangle can be expressed as 5x + 18.

8 0
2 years ago
essica was asked to hang six student paintings in a row on the wall. How many different ways could she arrange them?
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3 0
3 years ago
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Correct option is C. He has 225 acres of land .

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As he planted corn on  1/5  of his land,

Number of acres of his land planted with corn =  1/5  × Number of acres of land Roy have

=  x/5

As he planted 45 acres of his land with corn,

⇒ x/5​

 = 45

⇒x = 45 × 5

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Therefore, number of acres of land Roy have is   225  .

To learn more about fraction from given link

brainly.com/question/78672

#SPJ4

4 0
2 years ago
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