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oksian1 [2.3K]
3 years ago
15

What value of x makes the function {(1,5), (x,8), (-7,9)} a function?

Mathematics
1 answer:
mestny [16]3 years ago
5 0
X can be anything you want as long as it is not 1 or -7. If you have repeated x values with different y values, then it won't be a function. 
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Answer: yes, it is a smaller temperature, which means that is "colder"

Step-by-step explanation:

I guess that the question is:

Is -10°F colder than - 4°C?

Ok, when we have a temperature T in Celcius, the equation to transform this quantity to the Fahrenheit scale is:

T' = (T*9/5) + 32°

Replacing T by the temperature in celcius, we get:

T' = (-4°*9/5) + 32° = 24.8°F

This means that -4°C is equivalent to 24.8°F

And -10°F is a smaller value than 24.8°F (which mean that is colder)

This implies that -10°F is colder than -4°C

Then the statement is true.

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the end of the road is 15/16 of a mile away. Luke walked 7/8 of a mile down the road. How much further did he need to walk
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1/16 of a mile left to walk to reach the end of the road

Step-by-step explanation:

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