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why cant you divide by zero, wont it just be zero? (answer)

Well, I explain it with money.  Take a dollar.  Divide it into piles of 50 cents, how many piles do you get?  Good, 2.  So 1/0.5 = 2 Now, divide it into quarters, how many? Good, 4. Now we are getting somewhere. 1/0.25 = 4 Yes, let's speed this up a little...

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what is the answer to this ? (answer)

Ok, so now its kind of obvious you are just trying to find a lot of help with your homework.  If I answer this one, pleeeeeeeeeeeaaaaaaaaase press the like button on it :) The question is asking about miles per gallon.  Think about how many gallons of gas did dixie use? Good, 8....

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what is the answer to this ? (answer)

Its tough to answer if you don’t actually ask a question, based on what they tell you, they are probably trying to ask you something y=mx+b type equations. So went from 189 pounds to 162 pounds, how much weight did he lose? Right! 27 pounds, good job! Ok, and over how many weeks did...

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what are some examples off irrational numbers? (answer)

An irrational number is one that goes on and on and on and on forever and ever and ever and ever and doesn't stop and doesn't repeat.  The most common ones are pi and square roots of numbers.   The technical definition -- a rational one is one that can be written as a fraction.  An...

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A privet jet flies the same distance in 6 hours that a commercial jet flies in two and a half hours. if the speed of the commercial jet was 75 mph less than thr (answer)

I think you have to remember what speed is. Speed is distance over time, which is why it is measured in miles per hour. And most students remember the formula rate = distance / time from middle school. The question gives you info about speeds and times, but not about distance, so once we figure...

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Write a rule for the function if the d:{-2,-1,0,1} r:{15,12,9,6} (answer)

I like to teach this problem with the guess my rule. If we started out, I'd have you tell me what goes in and I'd tell you what comes out. You'd say 0 and I'd say 2, and you'd say 1 and I'd say 3 and you'd say 2 and I'd say 4 and either you would answer plus 2, keep geussing, or give me a look...

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Study Tips to Master PreCalculus

Remember that grades are just a way to keep you motivated. Focus on mastering the concept rather than getting good grades because if you master the concepts, you will get the grades you want. Mastering PreCalculus is going to be important if you expect to take AP Calc next year or plan to study engineering or computer science in college. 1.) Look around for some resources outside of your... read more

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what are the lcm of 6ab^2 and 18ab^3 (answer)

Remember there is LCM and GCF and the weird thing about them is that the one that starts with the letter L ends up being greater and the one that starts with G ends up being less. Let's identify these guys as first, second and third term --> 1T: 6ab^2   2T: 18ab^3 3T: 12a^2 So...