Answer:
182
Step-by-step explanation:
The number of permutations of 14 things taken 2 at a time is ...
14P2 = 14·13 = 182
The first color can be any of the 14 on the palette. The second color must be different, so can be any of the remaining 13.
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We assume that a "yellow/red" flag is different from a "red/yellow" flag. That is, <em>order matters</em>.
A cosine equation with 5pi/8 involved brought down by 2. That is the best I can help from what I remember from High School.
Answer:
4.5 hope this helps if see well there
Area = Length x width.
The area of the wall is 8 x 8 = 64 square feet.
The area of one window is 4 x 5 = 20 square feet.
The area of the 3 windows is 20 x 3 = 60 square feet.
The percentage would be (area of windows / area of wall) x 100
Percentage = 60/64 = 0.9375 x 100 = 93.75% (round answer as needed)