a.) The cost for a long-distance telephone call varies directly with time. Time (min) 2 4 5 Cost ($) 0.16 0.32 0.40 Constant of Variation: Determine the cost for a long distance call that lasted 22 minutes. b.) The total mass of magazines varies directly with the number of magazines. Number 4 7 8 Mass (kg) 1.80 3.15 3.60 Constant of Variation: 4 Determine the mass of 37 magazines.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
icon
Related questions
Question
100%

How do you figure out a and b thank you 

a.) The cost for a long-distance telephone call
varies directly with time.
Time
(min)
2
4
5
Cost
($)
0.16
0.32
0.40
Constant of Variation:
Determine the cost for a long distance call that
lasted 22 minutes.
b.) The total mass of magazines varies directly
with the number of magazines.
Number
4
7
8
Mass
(kg)
1.80
3.15
3.60
Constant of Variation:
W
Determine the mass of 37 magazines.
Transcribed Image Text:a.) The cost for a long-distance telephone call varies directly with time. Time (min) 2 4 5 Cost ($) 0.16 0.32 0.40 Constant of Variation: Determine the cost for a long distance call that lasted 22 minutes. b.) The total mass of magazines varies directly with the number of magazines. Number 4 7 8 Mass (kg) 1.80 3.15 3.60 Constant of Variation: W Determine the mass of 37 magazines.
Expert Solution
steps

Step by step

Solved in 3 steps with 4 images

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Advanced Engineering Mathematics
Advanced Engineering Mathematics
Advanced Math
ISBN:
9780470458365
Author:
Erwin Kreyszig
Publisher:
Wiley, John & Sons, Incorporated
Numerical Methods for Engineers
Numerical Methods for Engineers
Advanced Math
ISBN:
9780073397924
Author:
Steven C. Chapra Dr., Raymond P. Canale
Publisher:
McGraw-Hill Education
Introductory Mathematics for Engineering Applicat…
Introductory Mathematics for Engineering Applicat…
Advanced Math
ISBN:
9781118141809
Author:
Nathan Klingbeil
Publisher:
WILEY
Mathematics For Machine Technology
Mathematics For Machine Technology
Advanced Math
ISBN:
9781337798310
Author:
Peterson, John.
Publisher:
Cengage Learning,
Basic Technical Mathematics
Basic Technical Mathematics
Advanced Math
ISBN:
9780134437705
Author:
Washington
Publisher:
PEARSON
Topology
Topology
Advanced Math
ISBN:
9780134689517
Author:
Munkres, James R.
Publisher:
Pearson,