# math

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what is solving mean

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1. ### math

what does it mean when you are solving an equation, and, the variable that you are trying to solve for cancels itself out?
2. ### Math Calculus

Help! I really do not understand solving functions and derivatines with the Mean Value Theorum. Can anyone help explain it?
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What strategy did you use in solving this problem?
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Ok. I have one more question. The mean height of 5 students is 59.4. If one of the students leaves, the mean height becomes 61. What is the height of the absent student?
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Solving by graphing DQ 1 Solving by substitution Solving by elimination Which method do you think would be best to solve this system?
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A set of data has a mean of 25 and an outlier of 5. You find the mean without the outlier. Which of the following best describes your new mean?
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A researcher predicts that listening to music while solving math problems will make a particular brain area more active. To test this, a research participant has her brain scanned while listening to music and solving math problems, …
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pls. explain how to get this: A number x is the harmonic mean of two numbers a and b if 1/x is the mean of 1/a and 1/b. a) Write an equation to represent the harmonic mean of a and b. b) Determine the harmonic mean of 12 and 15. c) …
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Use the given information to find the minimum sample size required to estimate an unknown population mean μ. How many commuters must be randomly selected to estimate the mean driving time of Chicago commuters?
10. ### math

How is solving -4x=-4.8 different from solving -1/4x = -4.8?

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