Answer:
B) 1/x^2
Step-by-step explanation:
Simplify the following:
x^9/x^11
Hint: | For all exponents, a^n/a^m = a^(n - m). Apply this to x^9/x^11.
Combine powers. x^9/x^11 = x^(9 - 11):
x^(9 - 11)
Hint: | Evaluate 9 - 11.
9 - 11 = -2:
Answer: x^(-2) = 1/(x^2)
Answer: 216 kilometers
Step-by-step explanation:
You need the hypotenuse, this is the formula: h = √(a^2 + b^2)
so...
√(120^2 + 180^2)
√(14400 + 32400)
√46800
216.33
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It is an acute triangle since all the sides are less than 90 degrees (it's also equilateral)