Step-by-step explanation:
The answer is C.
<span>(2 + 5i)(2 + i)
= 4 + 10i + 2i + 5i^2
= 4 + 12i + 5i^2</span>
Answer:
The value of angle A is approximately 41.8.
Step-by-step explanation:
In order to find the value of angle A, I used the inverse sine function, where I input a ratio between the opposite and hypotenuse: 4/6, and got the answer.
Answer:31/30
Step-by-step explanation:
11/15+3/10
find common denominator=30
11/15 times 2/2
22/30
3/10 times 3/3
9/30
22/30+9/30=31/30
