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DaniilM [7]
3 years ago
10

Which relation is a function?

Mathematics
1 answer:
Hatshy [7]3 years ago
5 0
The answer is c bye i am happy i could help
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A parking garage charges $2.00 for the first hour and $0.80 for each additional hour. Which of the following could be used to fi
Usimov [2.4K]

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C = 2(h - 1) + 0.80

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if the line AB with A(-1,5) and B(3,7) is perpendicular to the line CD WITH C(7,11) AND D(X,23). THEN X=?​
MissTica

Answer:

x=1

Step-by-step explanation:

slope AB = (7-5) / (3 - -1) = 2 / 4 = 1/2

slope CD = (23-11) / (x-7) = 12 / (x-7)  

12 / (x-7) = - 2  ... perpendicular to AB slope 1 = - 1/slope 2

-2 (x-7) = 12

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5 0
2 years ago
line k has a slope of -5. line j is perpendicular to line k and passes though the point (5,9) create the equation for line j
Anna71 [15]

Answer:

y = 1/5x + 8

Step-by-step explanation:

The first thing you should know is that the slope of a perpendicular line is the opposite reciprocal. So, the slope of line j is 1/5. This is your current equation: y=1/5x + b. Plug in your coordinate to the equation, it should look like this: 9=1/5(5)+ b. 1/5 times 5 equals 1, so this is what it should look like: 9=1 + b. Subtract 1 from both sides to get 8 = b. Go back to your original equation and plug in 8 to b. This is your final equation: y = 1/5x + 8. Hope this helped!

3 0
3 years ago
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