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andreev551 [17]
3 years ago
14

Before a meeting, 10 people shake hands with each other. How many handshake's will there be in total?

Mathematics
1 answer:
just olya [345]3 years ago
5 0
It will be 25 handshakes ?
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Which of the following ordered pairs are solutions to the system of equations below?
Genrish500 [490]

Answer:

x = 43/12

y = - 35/6

Step-by-step explanation:

4x + 4y = -9

y = 2x - 13

4x + 4(2x - 13) = - 9

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12x = 52 - 9

12x = 43

x = 43/12

y = 2×43/12 - 13

y = 86/12 - ¹²⁾13

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y = - 70/12

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4 0
4 years ago
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Vitek1552 [10]

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The factors of 16 are 1, 2, 4, 8, and 16. 
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What is the solution to the system of 4x-3y=1 and y+2x=3?
Svetradugi [14.3K]
By any chance will it be (1,1)
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3 years ago
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Answer: 246.2 square inches.

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3 years ago
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