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Blizzard [7]
2 years ago
15

Help which one is propotional? ​

Mathematics
1 answer:
SOVA2 [1]2 years ago
5 0

Answer: C

Step-by-step explanation: Because that table is showing (x - y)

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Solve for x<br>x-8+11=2x-8​
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Answer:

Step-by-step explanation:

x/8=2/11

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5 0
3 years ago
Are the lines y = –x – 4 and 5x -5y = 20 perpendicular? Explain.
Zarrin [17]

Answer:

yes

Step-by-step explanation:

If 2 lines are perpendicular then the product of their slopes = - 1

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = - x - 4 ← is in slope- intercept form

with slope m = - 1

5x - 5y = 20 ( subtract 5x from both sides )

- 5y = - 5x + 20 ( divide all terms by - 5 )

y = x - 4 ← in slope- intercept form

with slope m = 1

Thus product of their slopes is - 1 × 1 = - 1

Therefore the lines are perpendicular

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3 years ago
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Answer:

6t-13t+18t

-7t+18t

11t

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