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Mathematics, 09.01.2020 04:31 bella8751
David drove 232 mile in 4 hours and 319 miles in 5.5 hours. what is the constant rate of change?
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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?
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Mathematics, 21.06.2019 13:00
Find the total area for the regular pyramid ( follow the answer set up in the picture)
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Mathematics, 21.06.2019 21:40
What is the value of x in the equation 1.5x+4-3=4.5(x-2)?
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David drove 232 mile in 4 hours and 319 miles in 5.5 hours. what is the constant rate of change?...
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