vari1738
08.03.2021 •
Mathematics
23. Albert's monthly cell phone bill, y dollars, in terms of the number of minutes
of talk time, x, is represented by the equation y = tx + b. In a particular
month, he paid $30 for 100 minutes of talk time. In another month, he paid
$60 for 250 minutes of talk time.
a)
Write the related system of linear equations.
b) Find the values of x and b.
Albert paid $40 in a particular month. For how many minutes of talk
time was he charged that month?
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Ответ:
It looks like your trying to find the volume
Step-by-step explanation:
using a cylinder calculator the volume is: V≈197.92 using a calculator to round to the nearest hundredth we would get the answer 197.9 since the 2 is in the hundreds place. Since the 2 is not 5 or above, it turns into a zero.
have a nice day! :)