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nata0808 [166]
3 years ago
11

Use the elimination method to solve the system of equations. Choose the correct ordered pair. 

Mathematics
2 answers:
maksim [4K]3 years ago
8 0
C (2,1)  it is this add both equations it will give you this

algol133 years ago
6 0
4x + 8y = 16
4x - 8y = 0
-----------------add
8x = 16
x = 16/8
x = 2

4x + 8y = 16
4(2) + 8y = 16
8 + 8y = 16
8y = 16 - 8
8y = 8
y = 8/8
y = 1

solution is (2,1)

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Read 2 more answers
What is the answer to C?
OleMash [197]

The diagram of the sequence of circular and square tiles gives;

a) 49

b) 84

c) Will always be odd

<h3>Which method can be used to find the order of the sequence in the pattern?</h3>

Pattern 1

Number of square tiles = 1

Number of circular tiles = 8

Total number of tiles = 9

Pattern 2

Number of square tiles = 4

Number of circular tiles = 12

Total number of tiles = 16

Pattern 3

Number of square tiles = 9

Number of circular tiles = 16

Total number of tiles = 25

  • The number of square tiles required to make pattern <em>n </em>= n²

From the diagram, the number of circular tiles on the left or right side of the square tiles are 2 more than the number of square tiles, while the number of circular tiles on the top or bottom are the same as the number of square tiles, therefore;

  • Number of circular tiles = 2•(n + 2) + 2•n

a) The number of square tiles required to make pattern number 7 = 7² = 49

b) The number of circular tiles needed to make pattern number 20 = 2 × 20 + 2 × (20 + 2) = 84

c) The total number of circular tiles is always even while the number of square tiles has the same characteristics (even or odd) as the pattern number

  • Even + Odd = Odd
  • Even + Even = Even

When the pattern number is odd, the total number of tiles will always be odd. The correct option is therefore;

B. Will always be odd

Learn more about sequence and series here:

brainly.com/question/12668338

#SPJ1

4 0
2 years ago
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