B.$2.55 i think but just check
The number of ways to choose the colors is 36
<h3>How to determine the number of ways?</h3>
The given parameters are:
Colors = 9
Colors to choose = 7
Since order does not matter, then it is combination
This is calculated using:
This gives
Evaluate
Hence, the number of ways is 36
Read more about combination at:
brainly.com/question/11732255
#SPJ1
[-½, ¾]; use either "Substitution" or "Elimination" to do this, and you'll see that this answer is correct.
Answer:
c.s.a of cone = pie r^2 + pie r l
radius = diameter/2 = 13/2
slant height (l) = 17
pie (13/2)^2 + pie 13/2 * 17
3.14 * 169/4 * 3.14 * 13/2 * 17
368246/8
= 46030