X^4 - x^2 + 9 - (x^3 + 3x^2 + 12) =
x^4 - x^3 - 4x^2 - 3
Here is the answer of the given question above. The <span>following options that best describes an algebraic fraction would be </span>a variable in the numerator, <span>a variable in the denominator and a variable with an exponent. By definition, algebraic expression </span><span>is a mathematical phrase that contains variables, numbers and operations. Hope this helps.</span>
Answer:
√13 ≈ 3.6056
Step-by-step explanation:
The Law of Cosines can be used to figure this. If the third side is "c", then it tells you ...
c² = a² + b² - 2ab·cos(C)
c² = 3² + 4² -2(3)(4)(cos(60°)) = 9 + 16 - 24(1/2) = 13
c = √13 ≈ 3.6056
The length of the third side is √13, about 3.6056.
Answer:
2
Step-by-step explanation: