Replace the y with 0, and then solve for x.
Answer: 142
Step-by-step explanation: debit is adding crefit is subtracting
Hello,
Let's assume t the time for counting one step
V the girl velocity in t
v the escalator velocity in t
d the length to go upstairs
going up: V*60+v*60=d
walking down: V*90-v*90=d
so
V+v=d/60
V-v=d/90
2V=d*5/180
V=d*5/360
V=d/72
V*72=d The girl must count to 72 steps.(here v=0)
Answer:25-29
Step-by-step explanation:
Outliers are data pieces that are significantly different than rest. For example,with the numbers 6,90,101,and96 6 would be the outlier.
<span>No, 7 is a natural number divisible by 7 and not 14 for example. In fact every odd multiple of 7 (i.e. 7 times 1,3,5,7,...) is divisible by 7 and not 14.</span>
