Answer:
-4i = 4(cos 270 +i sin 270)
Step-by-step explanation:
We have a+ib = r(cosθ+isinθ)

Here a = 0 and b = -4
Substituting

-4i = 4(cos 270 +i sin 270)
Answer:
No
Step-by-step explanation:
jan-44
feb-84
mar-72
apr-96
may-52
jun-26
mean=(44+84+72+96+52+26)/6=62.3<65
The answer is no
With polynomials the degree is the highest power x or whatever the variable is raised to. In this case, the degree is 3 since the highest power x is raised to is x^3
Answer:
4/5 * 3/2
Step-by-step explanation:
fraction division = multiplying the first fractions by the reciprocal of the second fractions (the tops are bottoms are flipped).
Answer:
Reason 5
Step-by-step explanation:
Reason 1 and 2 are Given
Reason 3 is Reflexive
Reason 4 is Side-Side-Side congruency