Mathematics, 03.06.2021 23:00 natalie2sheffield
Use the substitution method to solve the given system of equations. Write
your answer as an ordered pair, (x, y).
y - x = 4
6y + 2x = 4
Please help I can’t get any wrong
Answers: 2
Mathematics, 20.06.2019 18:04
Here is their argument. given the obtuse angle x, we make a quadrilateral abcd with ∠dab = x, and ∠abc = 90◦, and ad = bc. say the perpendicular bisector to dc meets the perpendicular bisector to ab at p. then pa = pb and pc = pd. so the triangles pad and pbc have equal sides and are congruent. thus ∠pad = ∠pbc. but pab is isosceles, hence ∠pab = ∠pba. subtracting, gives x = ∠pad−∠pab = ∠pbc −∠pba = 90◦. this is a preposterous conclusion – just where is the mistake in the "proof" and why does the argument break down there?
Answers: 2
Mathematics, 21.06.2019 18:30
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Mathematics, 21.06.2019 19:30
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Mathematics, 21.06.2019 22:50
Which best explains why this triangle is or is not a right triangle ?
Answers: 2
Use the substitution method to solve the given system of equations. Write
your answer as an ordered...
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