Trfiurufuffufiifufuuru In a warehouse, 60% of the table lamps were30 more than 80% of the standing lamps. Giventhat there were a total of 155 table and standinglamps in the warehouse at first, how many tablelamps were left if 30% of them were removedfrom the warehouse?

Solution: Given In warehouse , 60% of table lamps were 30 more than 80% of the standing lamps…

Answered: In a warehouse, 60% of the table lamps…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Knowledge/Understanding Multiple Choice: ! 1. If u = [2,3,4] and v = [-7,-6, −5] find 2ū – 3v a) [9, 9, 9] b) [-17, -12, -7] c) [25, 24, 23] d) [25, -12,9] 2. If u = [2, 3, 4] and v = [−7,−6, −5] find | 2ū – 3v + 5ĵ | a) √2525 3. If ū = [2,3,4] and a) [-14, -18,-20] 4. If u = [2,3,4] and a) [9, -18,9] b) √1995 c) √625 d) √588 c) [-9, -9, -9] d) -52 v = [−7,−6, −5] find ū · v b) -27 v = [-7, -6, -5] find w orthogonal to both u & v b) √486 c) [-14, -18,-20] d) [9,9,9] 5. If |u|= 4,|v|= 7 and the angle between these vectors is 147° then ữ · ở is: a) 15.2 b) 23.5 c) -15.2 d) -23.5 6. If |u|= 4, |v| = 7 and the angle between these vectors is 147° then ū × v is: a) 15.2 b) 23.5ñ 7. Simplify: 3+ 4-8(-2) c) 15.2ñ d) -23.5 a) -5 + 2v b) -5u + 20v c) 4u + 2v d) -5u+6v
Lef foo) the Gempesition (fo)) 2061 and gG6) = 0²7#Defermine
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Rectangles HW4 MZBCD = MLADE = MJMK = MZHJ L- MLABD- MLAEB = MJKH = MLLHK = 2 of 2 MZDEA = mzHLK = MILK= 7. If SQ = 11x – 26 and PR = 5x + 28, find PR. 7x -6 O Gina Wison (Al Things Aigebra". LLC). 2014-2019 8. If AE = 6x - 55 and EC = 3r – 16, find DB. 9. If LO = 15x + 19 and QN = 10x + 2, find PN. 10. If DE = 4x + 1, EB = 12x -31, and CD = 28, find AD. 11. Find m2GJK. 12. Find mLADE. G_(Sr + 8) H (4x+ 15) (13r + 7) (7x - 16) 13. Find mZVWz. 14. Find MZDHG. D (9x + 3) (Sr - 12) (2x - 3) G (14x - 27) O Gina Wison JAI Things Algebra", LLC), 2014-2019
3. In ADEF, mLD = 3x + 5, mLE = 4x – 15, = 2x + 10. Which statement is true? and mzF А. DF = FE В. DE FE C. mLE = m²F O D. mLD = mLF
5. BUC 6. U'
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In A ABC 、のこ 3,3,6-2.7, and (=2.3, (alculate (
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In a warehouse, 60% of the table lamps were 30 more than 80% of the standing lamps. Given that there were a total of 155 table and standing lamps in the warehouse at first, how many table lamps were left if 30% of them were removed from the warehouse?