Answer:
What?
Step-by-step explanation:
C. 14 feet
Cos (60) = Adjacent / Hypotenuse
Cos (60) = 7/x
x = 7 / Cos(60)
x = 7 / 0.5
x = 14
Explanation:
Let's begin writing down everything
(X×(-11)+5)×(-9)+X-55
Now we can multiply
-9(-11X+5)+X-55
99X-45+X-55
And so we get
100X-100
Factorize 100
100(x-1)
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2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,83,89,97
those are the prime numbers