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Ronch [10]
3 years ago
15

Help help help help help

Mathematics
1 answer:
Ymorist [56]3 years ago
4 0
-Distribute the number outside the parenthesis into all the numbers within. 
-Move the numbers with an "x" attached to it to one side and the numbers without an "x" to the other. be sure to change signs as you do (positive to negative, negative to positive) 
-subtract or add the numbers on each side together
-divide the number attached to the "x" on both sides (ex. 7x=14, you divide 7)
- you get your answer (x=......)

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A students calculation was found to have a 15.6% error, and the actual value was determined to be 25.7 mL. What are the two poss
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The actual value = 25.7 ml
The error = 15.6%
This means that the value of error = 0.156 * 25.7 = 4.0092 ml

Now, the error percentage found means that the student got the value either greater than the actual one with the value of error or less than the actual one with the value of error.

This means that the two possible readings are:
either : 25.7 + 4.0092  = 29.7092 ml
or : 25.7 - 4.0092  = 21.6908 ml

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