Answer:

Step-by-step explanation:
Given


Required:
Calculate the angle between u and v
The angle
is calculated as thus:

For a vector


becomes




For a vector


So;






So:






Take arccos of both sides





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<em> (approximated)</em>
It's either a (the first one) or b (the second one), but if I had to choose I would choose b. If I'm wrong I'm so sorry I spent 10 minutes looking at this.
Answer:
C. 7
Step-by-step explanation:
5,500 divided by 785 = 7.006, which can be rounded to 7.
Answer:
The increase price of movie ticket is $ 0.34 or 4.619 %
Step-by-step explanation:
Given as :
The average movie theater price in 2009 = $ 7.70
The average movie theater price in 2008 = $ 7.36
So, let The increase in price from 2008 to 2009 = $ 7.70 - $ 7.36
I.e = $ 0.34
Now in percentage increase
Percentage increase =
× 100
Or, Percentage increase =
× 100
Or, Percentage increase =
× 100
∴ Percentage increase = 4.619 %
Hence The increase price of movie ticket is $ 0.34 or 4.619 % Answer