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GIVEN-Angle 1and angle 2 form a linear pair Measurement of angle 2 + measurement of angle 3 + measurement of angle 4 = 180   PROVE-measurement of angle 1 = measurement of...

Show that, if an object is moving on a straight line, then its speed is increasing when its velocity v and its acceleration a have the same sign, and its speed is decreasing when v and a have...

I have a test tomorrow and I still don't know how to write a proof. I know the basis (first step is given) but from there its basically Portuguese to me ! I know CPCTC but I don't know the steps in...

I can start it out but after the first one im lost. I know the statement for the first one is 2x-7=4, then 5.5=x, and I know the first reason is given but after that im totally confused, and...

Let (A,?A) and (B,?B) be partially ordered sets. Define C = A × B and define the relation ? on C by (a,b) ? (a',b') ?? (a ?A a')?(b ?B b'). (a) Prove that ?' is a partial order on C. (b) Prove that...

Given:  ∠5 and ∠6 are complementary; ∠7 and ∠8 are complementary; ∠5 ≅ ∠7   Prove:  ∠6 ≅ ∠8

Given: angle 1 is the complement of angle 2; angle 3 is the complement of angle 4; line AB is parallel to line CD Prove: triangle ADB is congruent tI triangle CBD