Answer:
1287
Step-by-step explanation:
93.22-16=77.22
77.22 devided by 0.06=1287
Answer:
Step-by-step explanation:
Given the following complex numbers, we are to expressed them in the form of a+bi where a is the real part and b is the imaginary part of the complex number.
1) (2-6i)+(4+2i)
open the parenthesis
= 2-6i+4+2i
collect like terms
= 2+4-6i+2i
= 6-4i
2) (6+5i)(9-2i)
= 6(9)-6(2i)+9(5i)-5i(2i)
= 54-12i+45i-10i²
= 54+33i-10i²
In complex number i² = -1
= 54+33i-10(-1)
= 54+33i+10
= 54+10+33i
= 64+33i
3) For the complex number 2/(3-9i), we will rationalize by multiplying by the conjugate of the denominator i.e 3+9i
= 2/3-9i*3+9i/3+9i
=2(3+9i)/(3-9i)(3+9i)
= 6+18i/9-27i+27i-81i²
= 6+18i/9-81(-1)
= 6+18i/9+81
= 6+18i/90
= 6/90 + 18i/90
= 1/15+1/5 i
4) For (3 − 5i)(7 − 2i)
open the parenthesis
= 3(7)-3(2i)-7(5i)-5i(-2i)
= 21-6i-35i+10i²
= 21-6i-35i+10(-1)
= 21-41i-10
= 11-41i
IS THAT DIRECTED TOWARDS ME
Answer:11/14
Step-by-step explanation:
Let's multiply the numerators first. 22 x 1 is 22, so your numerator is 22.
The denominator: 7 x 4= 28, your denominator is 28.
Your answer <u><em>would</em></u> be 22/28.
However, we can simplify this.
22 and 28 are both divisible by 2.
22/2=11
28/2=14
Your final answer is <u><em>11/14</em></u>
Answer:
<em>m</em>
perpendicular
=
−
3
/4
