6 wore blue + 5 wore green + 3 wore black = 14
If there are a total of 18 total students, then the number of people who wore other colored shirts is 4 because 18-14= 4. Therefore, 4/14, which is 2/7 simplified, represents the students who did not wear blue, green or black.
Answer:
AB = BC = 2√2
Step-by-step explanation:
Start by focusing on the 45 degree angle. The unknown AB is the side adjacent to this 45 degree angle, and the hypotenuse is known to be 4.
Thus,
cos 45 degrees = adj / hyp = AB / 4, or
AB = 4 cos 45 degrees = 4 (1 / √2) =
4 √2
----------- * --------- = 2√2
√2 √2
Since this is a 45-45-90 triangle, the two shorter sides are equal, and so BC = 2√2 also.
The answer is in the picture
Answer:
Do it
Step-by-step explanation:
You do not know any math at all
