233 Answered Questions for the topic Proofs

Proofs

02/27/20

Given: PR is congruent to TR, <p is congruent to <T
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Proofs Trigonometry

02/24/20

How do you prove in two column form this proof? Given:Quadrilateral WXYZ with line XY, line YZ, line ZW, and line XW tangent to circle K. Prove: XY +WZ= XW +YZ.
The figure is a kite shaped square with a circle inscribed in it.
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02/21/20

Abstract linear algebra

generalize the notions of external and internal direct sums to three or more summands.
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02/15/20

Algebra Analysis: State (WITHOUT proof) a relationship between P and QPQ^(-1).
Let P and Q be two fixed elements on Sn.n is any positive integer.then state and prove a relationship between P and QPQ^(-1).
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01/23/20

PMI Proof Pre-Cal II (Help!)
Using PMI, prove 1 + 1 +... + 1 = n-1 For n > 2 1*2 2*3 n(n-1) n
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12/23/19

Prove the division theorem.
I need the proof of the division theorem for positive integers using induction.
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12/23/19

Division theorem by induction.
Help! How can I prove the division theorme for positive integers using induction?
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Proofs

11/21/19

Angle 1 is supplementary to angle 3

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Proofs Geometry

10/22/19

Word Proofs In Geometry
Given this axiomatic system: 1) any letter can change to A 2) two C's in a row can change to B 3)any word (an entire string of letters) can be doubled. Given: C Prove: AACB
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Proofs Geometry

10/22/19

Proofs help homework

Fill in the missing justification in the following algebraic proof Given: 4(x-8)=2x+12 Prove: x=22 Statement Reason 4(x-8)=2x +12 Given 4x-32=2x+12 2x-32=12 2x=44 X=22
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Proofs Math Logic

10/09/19

Is this equality [0.5, 7.5] ∩ N = [1, 7] correct?
A brief explanation would be greatly appreciated!
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Proofs Geometry

10/05/19

How do I solve a proof that has Given: angle 5 is complementary to angle 7. Prove: MI is perpendicular to IE.
It also gives me a diagram that has what looks like a right angle (MIE) and a line (K) that is in the interior of the angle.
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Proofs Geometry

10/05/19

Given: Angle 1 is supplementary to angle 2. Angle 3 is supplementary to angle 4. Prove: anlge 2 is congruent to angle 4. Angle 1 is congruent to angle 3
is I can' t figure out how to write it out
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Proofs Math

09/25/19

How to prove this statement?
Assume you have functions T and S such that T(n) =O(S(n)). For the following statement, decide whether you think it is True or False. If you think the answer is True, prove it, otherwise, provide a... more
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Proofs

09/08/19

How would I answer this proof on 5 lines?
prove that Q is the mid point of PR is PQ is equal to 17, QR is equal to 17, and Q is between P and R
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09/03/19

Give a recursive definition of a language L_bad that does not contain either three 0s or three 1s in a row.
This assumes that ∑ = {0,1}For example,101101 ∈ Lbad011110∉ Lbad
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Proofs Geometry

08/06/19

Given: ab is congruent to db and eb is congruent to db. Prove angle D is congruent to angle A using a formal proof
Formal Proof that I need help with please answer quick I have a due date of today and cannot fail this please help whoever is out there
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Proofs Trigonometry

05/26/19

Prove that sin(2α) + sin(2θ) + sin(2pi- 2α-2θ)= 4sin(α)sin(θ)sin(pi-α-θ)
This was a question from my homework that I can't do at all!
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05/24/19

Open ended, Math help Please!?
 below is an isosceles trapezoid. Diagonals and  intersect at point and _____ _____ _____ _____
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05/24/19

Why is (a | b ) equivalent to a - (a & b) + b?
I was looking for a way to do a BITOR() with an Oracle database and came across a suggestion to just use BITAND() instead, replacing BITOR(a,b) with a + b - BITAND(a,b).I tested it by hand a few... more
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05/15/19

Intro to Logic- Use Natural Deduction to prove Dist E
Hi everyone, Can someone please help me. I have to use natural deduction to prove Dist E for both 'or' and 'and'These are the two questions: 1: Dist E-Ex(Px v Qx) premiseConclusion: ExPx v ExQx2:... more
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05/05/19

mathematical proof

Claim: If a(sub)n converges to A then (c+a(sub)n) converges to c+A
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04/15/19

Is there a way to understand material implication without truth-tables?

I understand how, given the truth-functional definition of the conditional, any sentence of the formIf P then Q is truth-functionally equivalent to Either not-P or QOr, to put it symbolically:  P →... more
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Proofs Geometry

04/02/19

Given: Segment AC is congruent to segment AD, segment CB is congruent to segment DB. Prove: Segment AB bisects angle CAD
The triangle looks like this but it's not the question
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Proofs Geometry

03/04/19

Fill in the blanks in the proofs ASAP!!
We are given that diagonals AC congruent to BD It can be stated that   because they are opposite sides of a parallelogram. By the Reflexive Property of Congruence, . Thus, ____1_____ by... more
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