Mathematics, 11.10.2020 18:01 nforrestall
what is an equation of the line that passed through the point (-2,7) and is perpendicular to the line x-4y=24
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 16:30
The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?
Answers: 3
Mathematics, 21.06.2019 19:00
Write and solve a real word problem that involves determining distance on a coordinate plane
Answers: 1
what is an equation of the line that passed through the point (-2,7) and is perpendicular to the lin...
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