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Lesechka [4]
3 years ago
5

Can someone help. Thanks:)

Mathematics
1 answer:
Gnoma [55]3 years ago
4 0

Answer:

3)  Functional

4)IS NOT Functional

Step-by-step explanation:

3) Each of the X  Do not have the same Y number.

4)One of the X Numbers have the same Y number

I am sorry if I could not answer number 5 and 6.

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What is the value of x?<br> 4x − 6 = 18
tensa zangetsu [6.8K]
You need to get rid of -6 by adding 6, you also need to add 6 to 18.

4x = 24

Now you need to get rid of the 4 attached to the variable, you do this by dividing 4 since it is multiplying, also dividing 4 and 24

x = 6

So the value of x is 6

Hope this helps! :)
8 0
3 years ago
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A coin purse contains d dimes and q quarters.There are 20 coins in the purse and the total value of the coins is $4.25.which sys
mel-nik [20]
25q + 10d = 425
q + d = 20

First thing's first, picture 4 quarters. Do you know how much these 4 quarters are worth? Obviously, you'd answer one dollar, but take the time to think about how exactly you came up with this answer.

"Well, it's simple," you might think, "Multiply 0.25 by 4."

Similar to this train of thought, the first equation is formulated by doing exactly that. 'q' represents an unknown number of quarters, and 'd' an unknown number of dimes. We use 25q and 10d, because, well, we're multiplying their value by the number of coins. They're equivalent to 425 because the 20 unknown coins make $4.25 (I converted it to cents to get rid of the pesky decimals, but if you want to keep it as dollars that works too).

Because the equation states that there are 20 coins in total, we know that we can make the equation 'q + d = 20' since there are 20 quarters and dimes in total.

Let me know if you need any further explanation :)
-T.B.
3 0
3 years ago
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Eight classrooms need to be painted. Teachers can choose between yellow or blue. How many possible outcomes are there?
rusak2 [61]
The answer is 16 outcomes, there are two possible outcomes per classroom, and there are 8 classrooms
7 0
3 years ago
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Timed need answer ASAP
ella [17]

Answer:

6

Step-by-step explanation:

4^2 / 8*3=

16/8*3=

2*3=

6

4 0
3 years ago
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Factorise this fully x^2+2x-15
natka813 [3]
The answer to the question

7 0
3 years ago
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