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Sidana [21]
3 years ago
15

Which equations have one solution?

Mathematics
1 answer:
bogdanovich [222]3 years ago
5 0

Answer:

C and F

Step-by-step explanation:

I've done it and those have been right A is wrong so let me know if d or e is the third if there is one.

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Cristine's middle school has a total of 900 students and 45 teachers. The local high school has 110 teachers and a student-teach
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900/45 = 20

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some friends went to a local movie theater and bought four large buckets of popcorn and six boxes of candy.The total for the sna
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The total of 2 buckets of popcorn and 3 boxes of candy would be $23.25

To answer this question you need to form a set of simultaneous equations and solve them. We can do this by saying that a bucket of popcorn = P, and a box of candy = C. Then we can say:

4P + 6C = 46.50

P + C = 9.75

There are then two possible ways to solve; you can either say that C = 9.75 - P using the second equation and then substitute it into the first, or you can multiply the second equation by either 4 or 6 to cancel out P or C.

I’m going to multiply the second equation by 4:

4P + 4C = 39

Now we can subtract this for, the first equation:

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Now we can substitute this value of C into one of the equations to find P:

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I hope this helps! Let me know if you have any questions :)

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3 years ago
Which set of ordered pairs does not represent a function?
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The second choices is the answer

{(-6,6), (8, 2), (8, -1), (3,3)} as you can see there's a repeating value of x or the Domain which is the 8.

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