This is a permutation problem in which you are to arrange the objects and the order doesn't matter. You can easily calculate it using your scientific calculator. Just use the formula nPr, where n is the total number of objects taken r at a time.
PAYMENT = 7 letters => 7P5 = 2520
There are 2,520 ways
For butterfly, its quite tricky because there are two letters. Oder does matter here, since no matter which t comes first, that is still the same. So, this is what you do:
BUTTERFLY = 9 letters
9P5 ÷ 2! => since there are two same letters
15120 ÷ 2 = 7560
There are 7560 ways.
X would equal 2/3 or in decimal form, 0.6 repeated
5/6 :):):););(:);(:();:)(:;)(:(;;
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Answer:
f(2) = 11
Step-by-step explanation:
f(x) = 3x+5
f(2) = 3(2)+5
f(2) = 6+5
f(2) = 11