Speed cell wireless offers a plan of $40 for the first 400 minutes, and an additional $0.50 for every minute over 400. let t represent the total talk time in minutes. write a piecewise-defined function to represent the cost c(t)

87%

step-by-step explanation:

apex answer

mean, 40.6

step-by-step explanation:

step-by-step explanation :

we know that

the measurement of the outer angle is the semi-difference of the arcs which comprises

in this problem

m< xzy is the outer angle

substitute the values

the measure of angle xoy is equal to

> by central angle

substitute the value

answer: b

step-by-step explanation: