We divide 40 by 1/2:-
40 / 1/2 = 40 * 2/1 = 80 answer
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Answer:
The difference between combinations and permutations is that in permutations, the order matters, while it doesn't with combinations. For example, if you are given 5 numbers (1,2,3,4,5) and you have to determine how many 3 digit numbers you can make, that is a permutation question because 123, 231, 321, etc. are all different numbers. If, for example, we have to find how many ways three people can be chosen out of a group of 5, that is a combination question and you must use the combination formula as the order of the three people does not matter. Other than the order, combinations and permutations are the same
An angle of pi/2 radians can be transformed into degrees
using the conversion formula (180/pi):
φ =
(pi / 2) * (180 / pi) = 90˚
Therefore an angle of pi/2 rad is just equivalent to 90˚.
Since 90<span>˚ is located on the y-axis, therefore the horizontal component x is
zero. So cosine of this angle is zero.</span>
Answer:
Step-by-step explanation:
Hope this helps.
