The sets d and a are given below. =d, 1, 67 =a, −1, 2, 3, 48 find the union of d and a . find the intersection of d and a . write your answers using set notation.
here x is the hypotenuse of a right triangle whose legs are 7 and 24. by the pythagorean theorem, 7² + 24² must equal x²:
x² = 49 + 576 = 625. thus, x = +√625 = +25 = x
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step-by-step explanation:
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There should only be 1 solution
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answer: two angles are called supplementary if they add up to 180°. example: the two angles (140° and 40°) are supplementary because they add up to 180°.
At the county fair, animals are judged for the quality of their breeding and health. the animal pens are arranged in an array, with one animal in each pen. a barn can hold at most 10 rows of pens and at most 6 pens in each row, with room for people to walk around them. what different ways can the planners of the county fair arrange the pens for the horses and cows in the same barn?