The diameter of a spherical ball is 30 cm, the volume of the ball, in cube is?
1 answer:
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Answer:
Lori will have cavity if she brushed for
each night.
Step-by-step explanation:
As the question suggests cavities developed varies inversely with the number of seconds spent on brushing.
Lets take the terms as ,where
is the constant of proportionality.
And
c = Number of cavities developed each year
t = Number of minutes spent on brushing per night
Now we will plugging the values of the given terms and find the value of ,for this we can re-arrange it as...
and
Now as Lori will increase her brushing time so as the cavity will decrease.
So for this we have been given, and
.
As
So as per Paul's observation if Lori brushed for at night she will have
cavity on that year.