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Yuki888 [10]
3 years ago
9

If y=x and y=x+2 are the same, then how many solutions does it have

Mathematics
1 answer:
Ratling [72]3 years ago
6 0

Answer:

  none

Step-by-step explanation:

"they are the same" translates to ...

  x = x +2

  0 = 2 . . . . . . subtract x from both sides. — a FALSE statement

There are no values of x or y that make this true.

_____

The two equations describe parallel lines, so they cannot be "the same." There are no points of intersection.

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2 years ago
What is y > 2x - 4 and 6x +3y < 9​
fgiga [73]

you can make a table of values using any intergers and as many as you need in this case I chose 0,1,2 then you replace them in your actual equation and find the values of y.finally plot.

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4 0
2 years ago
May someone help me with this question please
olga2289 [7]
First we find the mean (average)
(17 + 18 + 19 + 20 + 21) / 5 = 95/5 = 19

now subtract 19 from all values...then square it
17 - 19 = -2...-2^2 = 4
18 - 19 = -1...-1^2 = 1
19 - 19 = 0...0^2 = 0
20 - 19 = 1....1^2 = 1
21 - 19 = 2...2^2 = 4

now take the mean (average) of those
(4 + 1 + 0 + 1 + 4) / 5 = 10/5 = 2 <== this is ur variance

standard deviation is the square root of the variance...
sq rt 2 = 1.414


5 0
3 years ago
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