5) If z varies jointly with x and y when x = 3, y = -1, and z = 12, what is z when x = -5 and y = 6? 6) If z varies directly with x and inversely with y, when x = 8, y = 6, and z = 4, what is x when z = 12 and y = -6?
5) If z varies jointly with x and y when x = 3, y = -1, and z = 12, what is z when x = -5 and y = 6? 6) If z varies directly with x and inversely with y, when x = 8, y = 6, and z = 4, what is x when z = 12 and y = -6?
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter5: Rational Numbers And Equations
Section5.7: null
Problem 25E
Related questions
Question
![5) If z varies jointly with x and y when x = 3, y = -1, and z = 12, what is z when x = -5 and y = 6?
6) If z varies directly with x and inversely with y, when x = 8, y = 6, and z = 4, what is x when z = 12 and y = -6?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7b27b777-7447-4953-8d83-64b84d2e37d7%2F17e210e6-f45b-43c2-9081-a9f8e1756714%2Fgsceol9_processed.png&w=3840&q=75)
Transcribed Image Text:5) If z varies jointly with x and y when x = 3, y = -1, and z = 12, what is z when x = -5 and y = 6?
6) If z varies directly with x and inversely with y, when x = 8, y = 6, and z = 4, what is x when z = 12 and y = -6?
![Set up an
equation and then solve for the missing variable.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7b27b777-7447-4953-8d83-64b84d2e37d7%2F17e210e6-f45b-43c2-9081-a9f8e1756714%2F6rkhnjxi_processed.png&w=3840&q=75)
Transcribed Image Text:Set up an
equation and then solve for the missing variable.
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