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# definition of all math properties

Question:Can you guys help me with the properties like the communication property of multiplication and addition, and the distributive, and the associative and all of those. I need to know like the definition and an example or just something that explains it to me! Thanks guys! :)

Question:its currently 7:15 and I have tons of homework. I just thought Id quickly ask you guys for these definitons because I cant spend to long searching online because I have to go to bed early cuz I wake up at 3:00 am ( cuz I dont have car to get to school,I bike 8 miles every day to school) Im really sick of getting 4 hours of sleep, can sumone just help out a little? I need these definitons (dont have to answer them all, I dont expect you to waste your time on me) a) Hypothesis - b) Dependent variable - c) Independent variable - d) Control - e) Mass - f) Volume - g) Density - h) Miscible - i) Immiscible - j) Density Column - 2) Measure mass and volume of liquids and solids using the correct units. (Write down how you measure the mass and volume.) 3) Calculate density using the correct units. (Write down the equation for density.) 4) Name at least 10 properties of matter. Im trying to get this done (and study it), plus a resume, 3 math pages, + 2 chaps. of a book

Answers:hypothesis-a possible explaniation or sollution to the problem dependent variable-the variable that is measured in an experiment independent variable-the factor that is changed in an experiement

Question:If 2 is a true prime number, why does it have to be excluded from 99.99% of the rules that qualify prime numbers?

Answers:99.99% is a monumental exaggeration. Yeah, it's excluded from a lot of theorems, but it shows up in a lot of other theorems. The reason it's left out so often is because so many theorems rely on primes being odd, which is a property 2 doesn't have. This happens a lot in higher math. You define some general concept, then most of the stuff you prove seems to use a more specific version of that concept. In abstract algebra, I was always bothered by the fact that rings were not required to be commutative, but almost every proof we did with them had us assume that they were.