JaniceHolz

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3. doing integrals 'from first principals'

I remember calculating the area of rectangles under the curve to approximate the area under the curve.  You need to make the rectangles narrower and narrower to get closer to the true answer.  You ...

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3. Limits of piecewise functions - Calculus A/B | Question on finding one sided limits

I think that we have to look at one-sided limits any time the function behaves differently on different sides of the value in question.  Since the limit from the left is 2 but the limit from the ri...

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3. Algebra 1 bug

Ivy,  I found the mistake in your answer. -6/5 - 2/3v + 4/15 + 1/3vRewrite -6/5 as -18/15:=  -18/15 - 2/3v + 4/15 + 1/3vGroup the terms with v and those without:= - 2/3v + 1/3v + -18/15 + 4/15Group...

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3. Dividing question

I think you are using different symbols than I am used to here in the US.I think you are asking about  3 hundredths divided by 6 tenths, 3 divided by 6 tenths, and  3 tenths divided by 6. I am no...

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3. slope intercept word problem

Was the problem here on Khan Academy? Any idea which course?

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3. Verb Tenses

It would help to know which verb tenses you want help with.  

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3. Trends in categorical data

Answer A is contrasting that the percentage of people who oppose candidate X who are from Virginia is higher than the percentage of people in the study who are from Virginia.  That's why it says "o...

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3. calculus

If you have specific questions, I'd be happy to help.  I did both single and multi-variable college calculus (though it's quite rusty).

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3. Transformations

I think it depends.  What course & unit was this in?  What were the exact problem instructions and wording?

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2. Content Requests and Feedback
3. Repeat Test Questions When Retaking a Test

Even if there were 1000 possible questions chosen randomly, there is still an 14.6% chance that you could get 1 repeat out of 10 questions.  The chance of 2 repeats is smaller, but still non-zero. ...