noahdeno200010125
24.01.2020 •
Mathematics
Bruno listens to podcasts for
two and a half hours a day.
write an equation where x is
the number of days and y is
the total number of hours.
what is the constant of
proportionality? in the problem above how many hours will bruno have listens after 12 days this is last three questions i need with will mark brainiest you so much these are 2 question the top is the first second is the bottom
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Ответ:
the constant of proportionality is 2.5
the number of hours that
Bruno would have listened after 12 days is 30
Step-by-step explanation:
Let x represent the number of days.
Let y represent the total number of hours.
Bruno listens to podcasts for
two and a half hours a day.
Let k represent the constant of
proportionality. It means that
k = y/x = 2.5/1
k = 2.5
The expression becomes
y = 2.5x
Therefore, the number of hours that
Bruno would have listened after 12 days would be
y = 12 × 2.5 = 30 hours
Ответ:
0.71= 71/100
Just choose a fraction between those two.