alexandermoulton2
alexandermoulton2 alexandermoulton2
  • 22-06-2021
  • Mathematics
contestada

a phone company uses the expression 1.25 + 0.10m to calculate the cost of a phone call that lasts m minutes. what is the cost of a call that lasts 20 minutes?

Respuesta :

MrRoyal
MrRoyal MrRoyal
  • 27-06-2021

Answer:

[tex]f(20) =3.25[/tex]

Step-by-step explanation:

Given

[tex]f(m) = 1.25 + 0.10m[/tex]

Required

[tex]f(20)[/tex]

We have: [tex]f(m) = 1.25 + 0.10m[/tex]

Substutute 20 for m

[tex]f(20) =1.25 + 0.10*20[/tex]

[tex]f(20) =1.25 + 2[/tex]

[tex]f(20) =3.25[/tex]

Answer Link

Otras preguntas

Explain the significance of the difference between central /south america and north america.
how does the moon manipulate the tides on the earth
Question Navigator Choose the answer. 13. (1 pt) What is the value of 8 cubed? A. 16 B. 24 C. 64 D. 512
Each square on Olivia's chessboard is 11 square centimeters. A chessboard has 8 square on each side. To the nearest tenth, what is the width of Olivia's chess
which of the following statements describes the structure of government outlined in the constitution? Select all that apply. A. Executive branch would carry ou
is one segment of society being "blamed" for the problems in our world?
What led many freed slaves to believe they would finally be able to own land in the south?
When did healthcare workers first use chlorine solution to decontaminate their hands?
Name the property 5x (3x+y)=5 (3x+1y)
What is claim in science?