What are the solutions of this quadratic equation? x2 + 10 = 0 A. B. C. D.
1 answer:
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Replace f(x) with x⁸
1) f(x) + 2 → x⁸ + 2
2) 3f(x) → 3x⁸
3) f(-x) → (-x)⁸
4) f(x - 2) → (x - 2)⁸
→
Answer:
Option C
Step-by-step explanation:
By the property of a rectangle,
"All interior angles of a rectangle measure 90°"
Therefore, m∠ABC = 90°
By applying cosine rule in the right triangle ABC,
cos(∠CAB) =
cos(25°) =
AC =
AC =
AC = 19.86
Therefore, Option C will be the answer.
