Mathematics, 16.06.2021 18:20 wy107
Jane is standing on the ground 30 feet away from the building. The building is 50 feet high. Lisa is on top of the building looking down at Jane. What is Jane's angle of elevation from the ground to Lisa on the top of the building? Round to the nearest DEGREE. (NO DECIMAL)
Answers: 3
Mathematics, 21.06.2019 14:00
(a) calculate the molarity of a solution that contains 0.0345 mol nh4cl in 400 ml of solution. (b) how many moles of hno3 are present in 35.0 ml of a 2.20 m solution of nitric acid? (c) how many milliliters of 1.50 m koh solution are needed to supply 0.125 mil of koh ?
Answers: 2
Mathematics, 21.06.2019 20:30
What is the length of the segment, endpoints of which are intersections of parabolas y=x2? 11 4 x? 7 4 and y=? 7 8 x2+x+ 31 8 ?
Answers: 2
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