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

Which was an achievement of the Aztecs? A. Utilizing a well-developed writing system B. Developing the numeral zero C. The use of an aqueduct D. Developing th
On what does Juliet blame the nurse's tardiness? her tendency to babble her age her lack of focus her laziness
which pyramid has a volume of 63 cubic inches​
US government class 12
PLEASE HELP ASAP WILL MARK BRAINLIEST Solve the quadratic equation 18x^2 -153x -172 =0
Answer please I need help !!!
8TH GRADE MATH HELP IMAGE ATTACHED​
Which scenario would most likely NOT lead to speciation? A) A flood washes a few lizards or insects to a new island. B) Neighboring herds of el
Bianca: ¿Dónde conociste a Sofía? Victoria: La _______ en el mercado. A. conocí B. conocieron C. conocimos D. conociste
Studies also show that sleep deficiency alters activity in some parts of the brain. If you're sleep deficient, you may have trouble doing which of the following