To simplify 4/(2+7i), we multiply it by a fraction equal to one that removes the i value in the denominator. The best value to do this is the complex conjugate divided by itself, so we have 4(2-7i)/((2+7i)(2-7i)). Simplifying, we have (8-28i)/(4-(-49))=(8-28i)/53, which is a completely simplified fraction since 8 and 53 are relatively prime (or coprime), and there are no radicals in the denominator.
Answer:
(1) -5
Step-by-step explanation:
Put the value where the variable is, read the graph, and do the arithmetic.
g(2) = 3f(2) -2 = 3(-1) -2
<em> g(2) = -5</em>
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<em>Additional comment</em>
f(2) is the point on the graph where it is 2 units to the right of the y-axis. At that point, the graph is 1 unit below the x-axis, so f(2) = -1.
Answer: 60
Step-by-step explanation:
As JH=22 and JK=82, this means HK=60.
Answer:
7.2 yards squared
Step-by-step explanation:
i took the k12 quiz!
Answer:
128-72=56
average rate of change is 56
Step-by-step explanation:
Plz let me know if im right
