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The variable J varies jointly as the square of H and as the cube root of A, and it varies inversely as S. What happens to J when H is doubled, A is multiplied by 8, and S is multiplied by 4?
williamcaprine williamcaprine 13-15, F 7 Answers Jun 5 in Community

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Math, the road less travelled

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The scenic road. Only the experienced drivers can take this path of extreme beauty.

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Youvsound a lot like my brother. He just graduated from college with a degree in mechanical engineering and will be going on to get his doctorate. He tells me, "Calculus opens up a whole new horizon. You can do anything with it!" And he takes his calculus book with him on long plane rides.

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Why do you need a calculus book once you've learned it?

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So you can reread it and erfect your knowledge. You don't know everything in Calculus2 after only one reading.

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It doubles.

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Thank you! You are the first to actually give the answer.

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You're welcome :)

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overheating in my brain , that´s what happens

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You're telling me.

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The question sounds incomplete. Was their a diagram to go with it?

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Nope. That's all you need to know to find the answer.

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I will ponder on it. I am a chartered engineer and I carry out complex calculations a lot, but they relate to a real situation. These exam type questions are outside my comfort zone!

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It is so much easier when they give you numbers!

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That's what I normally deal with. I frequently use whole small numbers in my mind, to discover the relationship that exists between them!

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That does make it easier.

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I do. But I only tell people HOW to solve a problem TYPE. I don't do their homework.

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I already know the answer.

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Then why are you asking it?

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Just tosee how many people remember this kind of thing past highschool.

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I'm in high school, but I learned this in 6th grade o.o xD But I mean... What else did you expect from someone called "MathematicallyMindedFractal?" xD

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I am ahead of myself in math too. I'm doing pre cal in 9th

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I would have done that, too, but I wasn't there to take the EIC in 6th grade, and as such, could not take Algebra 1 in 7th. I ended up taking Geometry online in 8th alongside Geometry, and got put into Algebra 2 in 9th. A similar thing happened in 10th. My precalc teacher hated me, and didn't let me go to calculus this past year. Nie while I love statistics, I now can't take Calculus BC my senior year. I'm technically not even allowed to take AB next year, but I'm going to beg my guidance counselor.

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That is the great thing about being homeschooled: we get to advance at our own pace.

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:P yup. I teach myself a lot of math. I know calculus, topology, fractal geometry, and more x3

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Yes, it's called doing you own homework.

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I already did it. But how many people actually remember how to do this stuff out of highschool?

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Unless you are planning on going into a field of work that requires you to know this; you will not need to remember yourself.

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So why learn it? I mean, it's easy enough to do it with numbers, but letters? What's the point?

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Word problems are supposed to get you to think more about the problem.

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Because it's extremely important, and none of us want a world filled with imbeciles that cannot do simple math.

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