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Sholpan [36]
3 years ago
9

Plz answer question!!! will mark as brainliest if correct :D

Mathematics
1 answer:
adell [148]3 years ago
7 0

Answer:

B.

Step-by-step explanation:

You can infer from the graph that, on average (which refers to mean), the scores in the post-test have increased in comparison to the scores on the pre-test.

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The model represents the equation <br> 4x+ 4 = 12<br> What value of x makes the equation true
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Answer:

B

Step-by-step explanation:

All you have to basically do on this one is go backwards.

The beginning equation is 4x+4=12, so to first revesre the adding we are going to use 12, the product, and subtract 4 from it (since that is what was added).

12-4=8

Now you need to reverse the times 4, so to do that just divide instead because that is the invese of multiplication.

8/4=2

Now you have 2, which is the variable, x. To make sure this is right you can just put it into the equation and see if 4x2+4 is 12

Hope this helped!

6 0
2 years ago
An investigator wishes to estimate the proportion of students at a certain university who have violated the honor code. having o
lesya692 [45]
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3 years ago
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Step-by-step explanation:

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