Wednesday

April 16, 2014

April 16, 2014

Number of results: 16,854

**Geometry Proofs, HELP!!**

I need help, I have a Geometry Exam on Monday. And I don't understand proofs one bit. If someone could help me with some proofs that would be awesome!! You have to post specific questions to get specific help. My experience is that on proofs studying with a competent friend is...
*Wednesday, January 3, 2007 at 5:43pm by ccseagle*

**GEOMETRY**

Big problem with proofs. How do you go about doing triangle proofs?
*Wednesday, December 3, 2008 at 4:34pm by Emiliana*

**Math- Geometry Proofs**

i have a test tomorow and i relly need help on proofs
*Tuesday, November 21, 2006 at 10:35pm by Trionna*

**geometry proofs**

i need help with inderect proofs and proving lines perpendicular.. PLEASE!!!! You have to be much more specific on your question.
*Tuesday, December 12, 2006 at 8:54pm by Angel Metellus*

**Math- Geometry Proofs**

can u give me some problems on proofs so i could study for my math test today
*Tuesday, November 21, 2006 at 10:35pm by kelly*

**math**

the geometry teacher has enough chalk to last for 16 proofs in each of three classes. if a fourth class is added, how many proofs per class can she now do?
*Tuesday, February 26, 2013 at 6:04pm by jacob*

**Math- Geometry Proofs**

What are some ways to prove that a triange is isoscles? i have to make a two column proof based on a problem. What is the exact problem I need help with my geometry homework. We are doing proofs and i need some help because proofs are really hard!! def. isosceles -or- if two ...
*Tuesday, November 21, 2006 at 10:35pm by Jenny*

**math geometry**

how can i prove in geometry proofs that something is a midpoint of a line? thanks
*Tuesday, November 12, 2013 at 5:38pm by Annie*

**geometry**

ughh i need help i dnt like proofs we'll here it the instructions write a two column proof the segment addition postulate is useful for this proof also. remember that the transitive && substitution properties are common in proofs this one requires substitution.. given is rs=xy...
*Thursday, September 24, 2009 at 11:02pm by samm*

**geometry**

how do you do equality proofs?
*Sunday, November 2, 2008 at 9:07am by john*

**geometry**

Can somebody help me with Proofs in Geometry Given:M<ABE=M<CBD
*Tuesday, June 19, 2012 at 6:19pm by Jay*

**geometry**

Ab=5 what's the reason ? Ch 2.6 segment proofs
*Thursday, September 8, 2011 at 10:06pm by tania *

**Geometry**

Indirect Proofs Prove a triangle cannot have 2 right angles. 1) Given triangle ABC. 2) Assume angle A and angle B are both right angles is true by one of two possibilities (it is either true or false, so we assume it is true) This is my first time to do indirect proofs, so if ...
*Thursday, November 18, 2010 at 6:48pm by chica*

**geometry**

This is known as Ptolemy's Theorem Here is a page with the proof http://www.cut-the-knot.org/proofs/ptolemy.shtml
*Saturday, November 10, 2007 at 10:38am by Reiny*

**Math- Geometry Proofs**

a line through point(-5,2)and(2,y)has slope of 3.find y
*Tuesday, November 21, 2006 at 10:35pm by lena*

**Geometry Proofs HELP!!**

thanks but i have another one should i just ask now or make a new question?
*Wednesday, November 21, 2007 at 4:58pm by Katie*

**geometry**

ok... i need help with geometric proofs..i have a test tomorrow and dont understand it one bit..
*Sunday, November 4, 2007 at 5:29pm by romina*

**Geometry Proofs (w/Pic)**

If PQRS is a rectangle and M is the midpoint of RS, prove PM is congruent to QM. P----------------Q |\ /| | \ / | | \ / | | \ / | | \ / | R--------M-------S *be as explanatory as possible
*Saturday, January 18, 2014 at 5:50pm by HELP*

**Proofs Geometry - Incomplete**

Since we have no diagram, and it is very important where A and B are in relation to E and F, more information is needed here.
*Sunday, November 13, 2011 at 1:52pm by Steve*

**maths- urgent**

There are many proofs that pi is irrational, and that pi^2 is also irrational. None of them is particularly elementary, but if you trust in reviewed proofs, you should be satisfied.
*Friday, April 12, 2013 at 3:17pm by Steve*

**Proofs and numbers**

MA322 PROOFS HA HA HA I AM WATCHING YOU SON
*Wednesday, November 28, 2012 at 10:44am by wISE LECTURER*

**Geometry Proofs HELP!!**

how do i do this? given: m//n g//h Prove: angle 4 congruent to angle 16
*Wednesday, November 21, 2007 at 4:58pm by Katherine*

**geometry**

I HAVE BEEN STUCK ON THIS QUESTION FOREVER. CAN SOMEONE HELP ME OUT WITH IT. DO THEOREMS REQUIRE PROOFS? EXPLAIN EITHER YES OR NO IN ONE OR TWO SENTENCES.
*Tuesday, November 20, 2007 at 2:26pm by alan*

**discrete math**

If p is prime prove that p^1/2 (root p) is irrational. Generalize the proof that sqrt 2 is irrational. You can find several proofs here: http://www.cut-the-knot.org/proofs/sq_root.shtml You should be able to apply the proof to all square roots of prime integers.
*Wednesday, March 7, 2007 at 1:20pm by romulo*

**Geometry**

Given angle 4=65 and angle 5=115 write two paragraph proofs to show that r is parallel to s
*Thursday, March 18, 2010 at 9:30pm by Anonymous*

**Math- Geometry Proofs**

a triangle is isoceles if it has congruent legs/congruent base angles... if it has one, it must have the other.
*Tuesday, November 21, 2006 at 10:35pm by yo*

**Math- Geometry Proofs**

a triangle is isoceles if it has congruent legs/congruent base angles... if it has one, it must have the other.
*Tuesday, November 21, 2006 at 10:35pm by yo*

**geometry**

given:m//n & g//h Prove angle 4 is congrunt to angle 16. I have no idea how to do proofs..my teacher is really bad at explaining things.
*Wednesday, November 21, 2007 at 4:49pm by katie*

**Math- Geometry Proofs**

an isosceles triangle is wicked easy to prove. Just prove that two of the sides are congruent to each other. What are your given equations?
*Tuesday, November 21, 2006 at 10:35pm by Anonymous*

**Proofs Geometry **

What is the statement and the reason for Given: and mEGF∠=60 mAGF∠=°90; Prove: mAGB∠=°30. Thank you!
*Sunday, November 13, 2011 at 1:52pm by Allan*

**Geometry proving quadrilaterals**

1,3. consider that the angles are alternate interior angles formed with the parallel sides. a simple web search will provide proofs of all of these assertions.
*Monday, September 30, 2013 at 6:58am by Steve*

**Geometry Proofs HELP!!**

BM is perpendicular to AC M is the midpoint of AC and prove that angle abm is congruent to angle cbm
*Wednesday, November 21, 2007 at 4:58pm by henry what is the answer to this proof?*

**geometry**

You learn to organize and think on a higher level. For instance, when doing Proofs you need to organize your work and follow a step-by-step process.
*Sunday, August 21, 2011 at 4:06am by Henry*

**Math- Geometry Proofs**

Given: ray AD bisects <BAC <DAC=3x, and <BAD=5x-24 Prove: x=12 its a proof and i need help
*Tuesday, November 21, 2006 at 10:35pm by Anonymous*

**Geometry / Proofs**

Given: Triangle ABC with AD bisecting angle BAC, and AE is congruent to ED (both line segments). Prove: AE/AC = BD/BC. Statements Reasons
*Tuesday, August 27, 2013 at 3:24pm by Lisa*

**geometry**

Yes. By definition, a theorem is "a formula, proposition, or statement in mathematics or logic deduced or to be deduced from other formulas or propositions." Other postulates are used (in proofs) to come up with theorems.
*Tuesday, November 20, 2007 at 2:26pm by Michael*

**Geometry - Proofs**

Given: Line cd is the perdendicular bisector of line ab e is on line cd Prove EB=ea
*Thursday, February 14, 2008 at 8:42pm by Julie*

**geometry proofs**

given ABC is a triangle. Ad is the altitude to BC. Ad biscects angle BAC. Prove: Ad is the median to BC
*Tuesday, December 14, 2010 at 12:25am by SKipper*

**Math- Geometry Proofs**

you have to prove the two segments congruent first then prove that it is an iscoseles triangle by the definition of iscoseles triangle duh!!
*Tuesday, November 21, 2006 at 10:35pm by Danny*

**Geometry**

I need help on a geometry proof!!!! If Line AB is parallel to Line DC and Line BC is parallel to line AD, prove that angle B is congruent to angle D. The picture is basically a square or parallelogram with line DC on the Top and Line AB on the bottom, and as u can tell A and D...
*Sunday, November 1, 2009 at 5:51pm by Emily*

**Geometry Proofs HELP!!**

from the top line m:(top)1,2,3,4 (bottom)8,7,6,5 line n:(Top)9,10, 11,12 (bottom)16,15,14,13
*Wednesday, November 21, 2007 at 4:58pm by Katie*

**Geometry Proofs HELP!!**

I've drawn a picture given line m is parallel to line n, and line g is parallel to line h. However, I don't know how your angles are numbered, so I can't identify angles 4 and 16. Can you provide some clarification of the angles?
*Wednesday, November 21, 2007 at 4:58pm by Michael*

**Pre Calculas**

The same way you do any of these proofs. Start using the trig identities you know, to transform one side of the equation till it matches the other side. I used to love these identity proofs when I studied trig. It was amazing how many ways there were to write the same things! ...
*Wednesday, November 2, 2011 at 7:25pm by Steve*

**Geometry Proofs**

Given: AD=AB AE= AD/3 AF= AB/3 Prove: AE= AF
*Monday, August 13, 2007 at 10:25am by Sarah*

**ALGEBRA**

A bijective function is a function that is both one-to-one (injective) and onto (surjective). To prove that f(x)=mx+b is bijective requires two parts, f(x) is one-to-one and f(x) is onto. Here are some example references that can help you prove that f(x) is one-to-one (...
*Sunday, February 20, 2011 at 6:39pm by MathMate*

**Geometry**

Yes, I'm this desperate. I just have problems with coming up with the statements for two column proofs. Answers would be appreciated. Given: line segment AX congruent to line segment DX, line segment XB is congruent to XC. Prove: Line segment AC is congruent to line segment BD.
*Tuesday, October 5, 2010 at 8:27pm by Derp*

**Proofs HELP**

what is coplanar?
*Wednesday, November 21, 2007 at 6:05pm by Kim*

**maths proofs**

You're welcome!
*Monday, September 27, 2010 at 3:13pm by MathMate*

**math**

what are indirect proofs
*Wednesday, September 5, 2007 at 7:44pm by brandon*

**Trig Proofs**

Thanks so much for the help=)
*Monday, April 27, 2009 at 8:27pm by Kim*

**maths proofs**

thanks so much
*Monday, September 27, 2010 at 3:13pm by daz*

**math in general**

what is the point of proofs?
*Wednesday, November 21, 2007 at 6:11pm by Kevin*

**Proofs HELP**

Do i need to explain the given?
*Wednesday, November 21, 2007 at 6:05pm by katie*

**maths proofs**

That's correct! (the last version).
*Monday, September 27, 2010 at 3:13pm by MathMate*

**geometry proofs **

given: line QO congruent to QN, line NM CONGRUENT TO OP Prove: triangle QMP IS ISOCELES 5. TRIANGLE QNM CONGRUENT TO TRIANGLE QOP WHAT IS THE REASON 7. TRIANGLE QMP IS ISOCELES WHAT IS THE REASON
*Tuesday, December 8, 2009 at 12:25am by haley *

**physics (geometry bit)**

h t t p : / / i m g 4 3 . i m a g e s h a c k . u s / i m g 4 3 / 4 7 4 1 / 9 4 7 4 7 1 1 6 . j p g ok the two read angles are equal to each other because they are complementary if i remeber correctly the only thing we can conclude is that when we add the two angles togther we...
*Monday, August 10, 2009 at 7:39pm by physics (geometry bit)*

**10th grade math**

i really need help on proofs
*Saturday, September 6, 2008 at 11:58am by Trionna*

**trig proofs**

cotx+tanx=secx+cscx
*Tuesday, January 15, 2013 at 7:33pm by katie *

**Advertising question, please help!!!!!!!!!!!!!!**

ok, that will help me with my proofs, but I need ideas on what points to use...
*Friday, September 7, 2007 at 9:47pm by Mark*

**math in general**

Proofs are used to come up with many useful theorems.
*Wednesday, November 21, 2007 at 6:11pm by Michael*

**vector proofs math 536**

*******Prove that AM/BM = MC/MD
*Tuesday, October 19, 2010 at 12:22pm by dave*

**geometry**

Check these sites about geometric proofs. http://www.sparknotes.com/math/geometry3/geometricproofs/ http://www.dummies.com/WileyCDA/DummiesArticle/id-1193.html http://www.themathlab.com/geometry/mathcourt/writeproofs.htm
*Sunday, November 4, 2007 at 5:29pm by Ms. Sue*

**geometry proofs**

Consider triangles ABd and ACd for congruence: Ad is altitude, so ∠ABd = ∠ACd = 90° Ad bisects angle BAC, so ∠CAd = ∠BAd Ad = Ad (common side) So triangles ABd and ACd are congruent, ASA (angle-side-angle).
*Tuesday, December 14, 2010 at 12:25am by MathMate*

**geometry**

1.in which geometry do lines no contain an infinite number of points? (a) plane coordinate geometry (b) discrete geometry (c) graph theory 2. in which geometry do points have thickness? (a) plane coordinate geometry (b) discrete geometry (c) graph theory i think the answer is...
*Tuesday, August 30, 2011 at 4:39pm by SoccerStar*

**Trig Proofs! **

I'm having trouble solving this proof. Can you help? cos^3+sin^3/cosx+sinx = 1-sinxcosx Thanks!:)
*Thursday, March 8, 2012 at 12:50am by Kels.*

**Proofs and numbers **

Use Fermat's Little Theorem to find the remainder on division of 5120 by 19.
*Wednesday, November 28, 2012 at 10:45am by yin*

**Proofs and numbers**

Use Fermat's Little Theorem to find the remainder on division 5^120 by 19.
*Wednesday, November 28, 2012 at 10:50am by yin*

**honors/Geometry**

how do you write out proofs? To be more specific with my question, how do you find the alternate exterior angles theorem? Be sure the result is not a postulate. If it is then there's nothing to prove, it's given. If it is a theorem -a provable statement- then review the ...
*Wednesday, September 27, 2006 at 12:27am by chelsea*

**Don't understand this Geometry question**

Isosceles triangle XYZ is placed on a coordinate plane to be used for a coordinate proof. What should the coordinates of its vertices be? a. (-a,0), (0,0), (a,0) b. (0,0), (0,-a), (-a,0) c. (0,0), (0,a), (a,0) d. (0,0), (0,-a), (a,0) ??? 5 REASONS WHY SOCIAL STUDIES IS ...
*Monday, August 28, 2006 at 10:30pm by Ellie*

**Proofs HELP**

It means "lying in the same plane." In this problem, the lines are coplanar, so you don't have to worry about that part.
*Wednesday, November 21, 2007 at 6:05pm by Michael*

**Calculus**

Prove via Mathematical Induction that (7*n) - 1 is divisible by 6. I have that it is divisble when n=1, but not n=2 and so on. How should I write the inductive proofs?
*Saturday, August 11, 2012 at 11:21am by Timofey*

**Proofs and numbers**

Solve the congruence 24x identical to 42 (mod 30) for x. List all the solutions (if there are any).
*Wednesday, November 28, 2012 at 10:48am by yin*

**Geometry Proofs HELP!!**

Okay, start by stating that m//n and g//h. You're just using your different properties for congruency. 1. m // n and g // h --> given 2. Angle 4 congruent to Angle 8 --> alternate exterior angles 3. Angle 8 congruent to Angle 10 --> alternate interior angles 4. Angle ...
*Wednesday, November 21, 2007 at 4:58pm by Michael*

**geometry**

We are learning about proofs. We drew lines between noncollinear points. Our table showed 2 points >> 1 line segment, 3 point >> 3 line segments, 4 points >> 6 line segments, 5 points >> 10 line seg, 6 points >> 15 line seg. etc. Write an ...
*Wednesday, October 8, 2008 at 1:18am by Zack*

**Geometry**

Reflective sets of angles Given: <ABC is congruent to <EFG <1 is congruent to <3 Prove: <2 is congruent to <4 Statements: Reasons: 1.) <ABC is congruent to <EFG 1.) Given (m<ABC is congruent to m<EFG) <1 is congruent to <3 (m<1 is ...
*Tuesday, September 28, 2010 at 3:58pm by Happy Face*

**GEOMETRY**

Reflective sets of angles Given: <ABC is congruent to <EFG <1 is congruent to <3 Prove: <2 is congruent to <4 Statements: Reasons: 1.) <ABC is congruent to <EFG 1.) Given (m<ABC is congruent to m<EFG) <1 is congruent to <3 (m<1 is ...
*Tuesday, September 28, 2010 at 5:52pm by Happy Face*

**I need an answer--molecular/electron geometry**

Can anyone help me out with the differences between electron geometry and molecular geometry for SCl6? I think the molecular geometry is octahedral, but I'm not so sure for the electron geometry. Thanks :) *My earlier post wasn't answered, so I'd appreciate some help please =]
*Tuesday, February 8, 2011 at 8:03pm by Kate*

**Molecular and Electron geometry**

Can anyone help me out with the differences between electron geometry and molecular geometry for SCl6? I think the molecular geometry is octahedral, but I'm not so sure for the electron geometry. Thanks :) *My earlier post wasn't answered, so I'd appreciate some help please =]
*Tuesday, February 8, 2011 at 6:47pm by Kate*

**Proofs HELP**

Yes, start by stating the given information and giving the reason - it's given.
*Wednesday, November 21, 2007 at 6:05pm by Michael*

**similarity proofs**

Given: (AX/CX)=(BX/DX) prove: angle B = angle D
*Thursday, March 12, 2009 at 7:15pm by Anthony*

**Trig Proofs**

Please Help: please solve this proof: cosx- cosy = -2sin(x+y/2)sin(x-y/2)
*Monday, April 27, 2009 at 8:27pm by Kim*

**maths proofs**

is it aČ+bČ+2ab-aČ+bČ 2bČ+2ab if not please help thanks
*Monday, September 27, 2010 at 3:13pm by daz*

**math**

Can someone explain the Triangle Similarity, Or the AA Similarity, Theorem? We're doing proofs, and I don't think I understood the wording.
*Wednesday, April 15, 2009 at 1:45pm by Libby*

**Maths- very very simple**

you are correct. It is the Pythagorean Theorem, and any web search will provide a variety of proofs of it.
*Thursday, February 14, 2013 at 5:49pm by Steve*

**English**

No they're not quoted from the book. I'm including three proofs to make my point "solid". I don't know about my explanation still, I think it's weak or am I just overthinking on how to comment?
*Sunday, December 2, 2007 at 8:14am by Anonymous*

**Molecular and Electron geometry**

Can anyone help me out with the differences between electron geometry and molecular geometry for SCl6? I think the molecular geometry is octahedral, but I'm not so sure for the electron geometry. Thanks :)
*Monday, February 7, 2011 at 7:02pm by Kate*

**Geometry**

Writing indirect proofs. Can someone please check for me. I am not sure If this is correct.Thanks much Given: triangle ABC angle B=120 degree Proof: Triangle A does not equal 60 degree Plan: Using an indirect proof, using the paragraph method My answer. Assume temporarily that...
*Monday, June 4, 2007 at 10:01pm by DANIELLE*

**maths proofs**

or is it aČ+bČ+2ab-aČ-bČ 2ab
*Monday, September 27, 2010 at 3:13pm by daz*

**Geometry Proofs (w/Pic)**

Well, if it is a rhombus we know all the sides are of equal length AND opposite sides are parallel. All we have to prove is that the corner angles are equal CBE=BCE given so CBE=BCE=ADE=DAE intersect parallel lines BE = CE isosceles AD = BC rhombus so triangle AED congruent ...
*Saturday, January 18, 2014 at 5:50pm by Damon*

**geometry**

What is your geometry question? What exactly do you need help with in terms of geometry? Write back....
*Saturday, February 16, 2008 at 8:37pm by Guido*

**MATH PROOFS**

PROVE: P(( union )[i=1]^(k))=(∑)P(A[i]^ ) ∀ A[i]^ such that (A[i]^ intersect A[]j = ∅ ∀i <>j) ∀k
*Wednesday, March 16, 2011 at 12:23pm by Athena*

**geometry**

Geometry riddl How did they like the story about towel manufacturing? Also, where can I find geometry worksheets on plane and simple? ? ? ?
*Tuesday, September 26, 2006 at 9:24pm by Debra*

**Chem**

hah funny thing. i put geometry instead of my name cus geometry was my question but my names anna. =P but no problem
*Tuesday, March 11, 2008 at 6:29pm by Geometry*

**Research Report**

What are three arguments you're using to support your opinion that Stonehenge is a wonderful piece of history? Those three "proofs" can be your topic sentences.
*Monday, February 3, 2014 at 6:09pm by Ms. Sue*

**AP Calc.**

I'm working on Proofs for Limits. So my question is how the bloody hell do I do this. This is the equation I am working with: F(x)= (x^2-5x+8)(x-3)/(x-3) Use the limit properties to prove algebraically that limf(x)=2 as X approaches 3
*Wednesday, October 3, 2007 at 9:46pm by Chii*

**Physics**

Range = [Vo^2 sin(2A]/g 2A = 126 degrees in this case Try deriving the formula and it will help you learn the subject better. You can also find proofs onllne.
*Thursday, October 27, 2011 at 3:56pm by drwls*

**Complex numbers**

There are lots of proofs of the triangle inequality. One such can be found here: https://www.math.ucdavis.edu/~forehand/67_summer2012_files/triangle%20inequality.pdf
*Thursday, January 2, 2014 at 11:24am by Steve*

**Geometric Proofs**

how to place information to get answer of geometric mean of 25.4, 9, 16, 4.25, 8.11, 19?
*Tuesday, December 13, 2011 at 9:28pm by catherine*

**7th grade geometry**

I need help desperately with geometry. the geometry is Area: Parallelograms, Triangles, and Trapezoids. It's really hard for me. Only if you get the concept. Anyway, Pleaswe help me!!!!!!!!!!
*Monday, January 28, 2008 at 6:52pm by Janelle-Marie*

**math**

In order to fit 3 pictures across a page, the yearbook staff must reduce their portrait proofs using a scale factor of 8 to 5. Find the dimensions of the picture as they will appear in the yearbook.
*Wednesday, January 8, 2014 at 5:07pm by Irene*

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