3 years ago

PLEASE HELP ASAP

Mathematics

1 answer:

Dennis_Churaev [7]3 years ago

3 0

Answer:

Step-by-step explanation:

Were you given answer choices? If so, please share them when you post your question.

The best way to improve the experimental probability would be to flip the coin more than 20 times; the more this is done, the better the estimate will be.

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kari74 [83]

Answer:

x = -7

Step-by-step explanation:

4x-9 = 7x+12

Add 9 to both sides

4x = 7x + 21

Subtract 7x from both sides to further isolate the variable

-3x = 21

Divide both sides by -3

x = -7

Plug the value in to check your work:

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