Solve the problem.Given that the polar equation r =  models the orbits of the planets about the sun, estimate the closest possible approach of a planet for which  and  to a planet for which  and 

A. 64 astronomical units
B. 0 astronomical units
C. 26 astronomical units
D. 10 astronomical units


Answer: D

Mathematics

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The lists below show five agricultural crops in Alabama, Arkansas, and Louisiana.AlabamaArkansasLouisianasoybeans (s)soybeans (s)soybeans (s) peanuts (p)rice (r)sugarcane (n)corn (c)cotton (t)rice (r)hay (h)hay (h)corn (c)wheat (w)wheat (w)cotton (t)Let U be the smallest possible universal set that includes all of the crops listed, and let A, K and L be the sets of five crops in Alabama, Arkansas, and Louisiana, respectively. Find each of the following sets.A ? K

A. {c, h, s, t, w} B. {c, p, r, t} C. {c, h, p, r, s, t, w} D. {h, s, w}

Mathematics

Restate in a logically equivalent form.The flowers are not blooming or it is not winter.

A. It is not true that the flowers are blooming and it is winter. B. It is not true that both the flowers are blooming and it is winter. C. The flowers are blooming and it is winter. D. It is not true that it is winter and the flowers are not blooming.

Mathematics

The polar coordinates of a point are given. Find the rectangular coordinates of the point.(-3, -135°)

A.
B.
C.
D.

Mathematics

Classify the triangle as acute, right, or obtuse and classify it as equilateral, isosceles, or scalene.

A. Acute, isosceles B. Obtuse, scalene C. Acute, scalene D. Obtuse, equilateral

Mathematics