12.11 Let A and B be sets. Prove or disprove: A U B = A n B if and only if A = B
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124.1 g of an unknown substance absorbs 50.0 kJ of heat and increases its temperature by 36.3ºC
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Angle X and angle Y are complementary angles.If m angle X=3x+7 and m angle Y=6x+20
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.13.)The measure of the complement of an angle is one-fourth the measure of the supplement of the angle.Find the measure of the angle
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14 of the 5050 digital video recorders (DVRs) in an inventory are known to be defective. What is the probability
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What were some characteristics (political, social, economic) of the Ottoman Empire? 15. Explain the worldview
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Study the table below. Organism Pair Percentage of DNA Similarity A – B 97 A – C 85 A – D 50
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1 = .9999999999999.... 1/3 = .33333.... (1/3)*3 = 1 .33333....*3 = .9999.... Therefore 1 = .9999
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A triangle has sides of length c =5 and a =6 . If the measure of angle B is 134° , what is he area of triangles, to the nearest tenth ? Write with steps pls
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A chord is 2cm from the centre of a circle. If the radius of the circle is 5cm, find the length of the chord?
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A health food store sells seasoning blends in bulk. one blend contains 20% basil. sheila wants to add pure basil to some 20% to make 16 oz of her own 30%
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A ladder is to reach over a fence 27/8 m high to a wall 8 m behind the fence. Find the length of the shortest ladder that may be used
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