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8x + y +z= 124,008 C) x + y - z = 0 x+ y +z = 124,000 0.09x + 0.08y + 0.1z = 11,400 9x + 8y + z = 11,400 D) x + y + z = 0 x+ y - 9z = 124,000 0.1x + 0.08y - 0.09z = 11,400 10) There were 35,000 people at a ball game in Atlanta. The day's receipts were $290,000. How many 10) people paid $14 for reserved seats and how many paid $6 for general admission? Let x represent the number of reserved seats and y represent the number of general admission seats. A) 14x + 6y = 105 x + y = 35,000 C) 25,000x + 14y = 35,000 x + y = 290,000 B) 20,000x + 14y = 6 x + y = 15,000 D) 15,000x + 14y = 20,000 x + y = 6 Solve using Gauss-Jordan elimination. 11) 2x - 5y = -9 11)

8x + y +z= 124,008 C) x + y - z = 0 x+ y +z = 124,000 0.09x + 0.08y + 0.1z = 11,400 9x + 8y + z = 11,400 D) x + y + z = 0 x+ y - 9z = 124,000 0.1x + 0.08y - 0.09z = 11,400 10) There were 35,000 people at a ball game in Atlanta. The day's receipts were $290,000. How many 10) people paid $14 for reserved seats and how many paid $6 for general admission? Let x represent the number of reserved seats and y represent the number of general admission seats. A) 14x + 6y = 105 x + y = 35,000 C) 25,000x + 14y = 35,000 x + y = 290,000 B) 20,000x + 14y = 6 x + y = 15,000 D) 15,000x + 14y = 20,000 x + y = 6 Solve using Gauss-Jordan elimination. 11) 2x - 5y = -9 11)

Advanced Engineering Mathematics
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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< > e learn-us-east-1-prod-fleet02-xythos.content.blackboardcdn.com + Bb https://learn-us-east-1-prod-fleet02-xythos.content.blackboardcdn.com/5d44406cac91b/264693142?X-Blackboard-Expiration=1635400800000&X-Blackboard-Signature. b My Questions | bartleby Find the system of equations to model the problem. DO NOT SOLVE THIS SYSTEM. 9) A $124,000 trust is to be invested in bonds paying 9%, CDs paying 8%, and mortgages paying 10%. 1 9) sum of the amount invested in bonds and the amount invested in CDs must equal the mortgage investment. To earn an $11,400 annual income from the investments, how much should the bank inv each? Let x represent the amount invested in bonds, y the amount invested in CDs, and z the amount inve: mortgages. A) x + y - z = 11,400 x - y + 9z = 22 8х + у +z%3D 124,000 С) х +у -Z3D0 x + y + z = 124,000 0.09x + 0.08y + 0.1z = 11,400 В) х + у-z%3D0 X + y + z = 124,000 9x + 8y + z = 11,400 D) x + y + z = 0 x + y - 9z = 124,000 0.1x + 0.08y - 0.09z= 11,400 10) 10) There were 35,000 people at a ball game in Atlanta. The day's receipts were $290,000. How many people paid $14 for reserved seats and how many paid $6 for general admission? Let x represent the number of reserved seats and y represent the number of general admission seats. A) 14x + 6y = 105 B) 20,000x + 14y 6 y = 35,000 35,000 y = 290,000 y = 15,000 D) 15,000x + 14y = 20,000 х+ у%3D 6 х + х + C) 25,000x + 14y х + Solve using Gauss-Jordan elimination. 11) 2x - 5y = -9 -2x + 5y = -3 11) 2 A) (-1, –1) B) C) (-9, -3) D) No solution - Page 2 -Review
Transcribed Image Text:< > e learn-us-east-1-prod-fleet02-xythos.content.blackboardcdn.com + Bb https://learn-us-east-1-prod-fleet02-xythos.content.blackboardcdn.com/5d44406cac91b/264693142?X-Blackboard-Expiration=1635400800000&X-Blackboard-Signature. b My Questions | bartleby Find the system of equations to model the problem. DO NOT SOLVE THIS SYSTEM. 9) A $124,000 trust is to be invested in bonds paying 9%, CDs paying 8%, and mortgages paying 10%. 1 9) sum of the amount invested in bonds and the amount invested in CDs must equal the mortgage investment. To earn an $11,400 annual income from the investments, how much should the bank inv each? Let x represent the amount invested in bonds, y the amount invested in CDs, and z the amount inve: mortgages. A) x + y - z = 11,400 x - y + 9z = 22 8х + у +z%3D 124,000 С) х +у -Z3D0 x + y + z = 124,000 0.09x + 0.08y + 0.1z = 11,400 В) х + у-z%3D0 X + y + z = 124,000 9x + 8y + z = 11,400 D) x + y + z = 0 x + y - 9z = 124,000 0.1x + 0.08y - 0.09z= 11,400 10) 10) There were 35,000 people at a ball game in Atlanta. The day's receipts were $290,000. How many people paid $14 for reserved seats and how many paid $6 for general admission? Let x represent the number of reserved seats and y represent the number of general admission seats. A) 14x + 6y = 105 B) 20,000x + 14y 6 y = 35,000 35,000 y = 290,000 y = 15,000 D) 15,000x + 14y = 20,000 х+ у%3D 6 х + х + C) 25,000x + 14y х + Solve using Gauss-Jordan elimination. 11) 2x - 5y = -9 -2x + 5y = -3 11) 2 A) (-1, –1) B) C) (-9, -3) D) No solution - Page 2 -Review
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