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I know this is super late but thank you so much for your help bob!
Suppose f is a coordinate function for l=(line) AB such that f(A)=0 and f(B)>0. Prove that (ray) AB={P (is an element of) l such that f(P) >=0}
Hint: the definition of ray: the ray AB is the set of points = Segment AB union {P: A*B*P}
HELP PLEASE. This all has to do with Neutral Geometry if that helps any.
ok i need to use IG axioms.
If there exists a unique point p sch that p lies on both l and m, then l and m are distinct, non parallel lines.
Prove using Incidence geometry axioms. A full proof would be wonderful.
I'm still a little confused...
I'm writing a paper on the difference between Reductio ad absurdom vs Indirect proof... everything i find is telling me that an indirect proof is a type of Reductio ad absurdom or they are the something.. any help would be wonderful.
a point is randomly selected with a rectangle whose vertices are (0,0), (2,0), (2,3) and (0,3). What is the probability that the x-coordinate of the point is less than the y-coordinate?
Thank you!
Okay thank you. My only other thing is, what if there are too many to write all out, is there an equation or anything that can work to tell the total or maybe a combination of two equations?
THree horses run a race. How many different ways can the three finish if ties are allowed?
I used permutation of n^r so 3^3=27 different ways for them to finish. Just want to make sure this is correct?
Also, Which of the following numbers is a perfect square? ( I need to know to figure this out without a calculator and how to explain it)
329476 (i know this is the answer) 389372 964328 326047 and 724203
Three horses run a race. How many different ways can the three finish if ties are allowed?
I used permutations w/ repetition and got n^r n=3 r=3. so there are 27 different ways the three horses can finish... just want to make sure this is correct.
Thank you again for the help
(I tried posting a link to a picture but it wouldn't let me. For the most part its an equilateral triangle in a square. the triangle is slanted and is as large as possible. If you type equilateral triangle in a square into google search, its the first website and halfway down the website is the triangle/square picture.
a 2inch x 2inch square has an equilateral triangle inside. what are the sides of the triangle. Picture is identical to the one given to me.
Thank you all!
Three children start walking together from a starting line around a 250-meter long circular track. the first child walked at a speed of 5 km/hr, the second child at 4 km/hr, and the third child at 3 km/hr. how many minutes elapsed before they were all crossing the starting line at the same time?
i did mean reals! so sorry! and thank you very much for your help!
the only other thing he put on the problem was that we can do the rations and complex or that the rationals are numerically equvalent to the rationals squared... is that better?
I'm in a Proofs and Logic class in college. I'm in the chapter/section on cardinality of sets/ uncountable sets. Previously in the lesson we learned that lrational numbersl = lnatural numbersl (and yes that does mean cardinality). My professor is giving us extra credit if we can find how the rationals are numerically equivalent to the complex numbers. when you put something into the form lxl=lyl it means that x is numerically equivalent to y. it means that every x in the set/subset has a matching unit in y. The answer to the actual statement is yes they are logically equivalent i just need to show how.
I need to show how the Rationals (R) and the complex numbers (C) are logically equivalent. or in turn lCl=lR^2l
Help would be amazing! thank you!
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