Sarah has run 108 miles over the last 15 days while preparing for an upcoming marathon. She ran either 6 miles a day or 8 miles
a day. During the 15 day period, how many days did Sarah run an 8 mile day? A) 6 B) 7 C) 8 D) 9
2 answers:
D)
She ran 8 miles for 9 days and 6 miles for 6 days
8x9=72
6x6=36
72+36=108
Solution:
we are given that
Sarah has run 108 miles over the last 15 days while preparing for an upcoming marathon. She ran either 6 miles a day or 8 miles a day.
we have been asked to find
During the 15 day period, how many days did Sarah run an 8 mile day?
Let she ran 8 miles for x days, it mean she ran 6 miles one each of the (15-x) days. Then we can write

Sarah run an 8 mile day for 9 days.
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I search and found different answers but the nearest is 24
Answer:
Radius, r, is 3.75
Step-by-step explanation:
From the given diagram,
AB = 9
AC = 6 + r
BC = r
Thus applying the Pythagoras theorem, we have;
=
+ 
=
+ 
36 + 12r +
= 81 + 
collecting like terms,
12r = 81 - 36
12r = 45
r = 
= 3.75
r = 3.75
The radius is 3.75.
Answer:
it’s already in it’s simplest form
Answer:
D.
<P= 5
I hope this helps:)
For a quantity that changes frequently from month to month, the best kind of graph is a pie chart.a true