First do 2 1/2 / 5/8
5/2/ 5/8=2/5 * 5/8=1/4
now you can do anything with 1/4 so
your answer is 1/4
Answer:
Nelly will need $16.43.
Step-by-step explanation:
First, you want to find out how much 1 book costs.
Take 10.95 and divide it by 4.
10.95/4=$2.73
Take the 2.73 and multiply it by 6.
6x2.73=16.425
=$16.43
Answer:
7xy+3xy²t
Step-by-step explanation:
I cannot guarantee it is right but here you go
Answer:
C ≈ 22.1°
Step-by-step explanation:
The law of cosines formula is given. Solving it for C, we find ...
C = arccos((a^2 +b^2 -c^2)/(2ab))
where a and b are the sides adjacent to the angle.
Then we have ...
C = arccos((14^2 +19^2 -8^2)/(2·14·19)) = arccos(493/532)
C ≈ 22.1°
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If you have a fair number of these to do, a spreadsheet is a useful tool. There are also triangle solver apps on the web or your local smart platform that will do this, too.