Answer:
36-54i
Step-by-step explanation:
(9+9i)(-1-5i)
v
-9-9×5i-9i-9i×5i
v
-9-45i-9i-45i^2
v
-9-45i-9i-45×(-1)
v
(-9)-45i-9i+(45)
v
36(-45i)(-9i)
v
36-54i
Answer:
42 and 21
Step-by-step explanation:
Just divide 882 by 21 to get 42
Answer:
x=4
Step-by-step explanation:
ABCD is a rectangle, so AD and BC are parallel. Thus, The angle complementary to 6x+19 is 47.
6x+19+47=90
6x+66=90
6x=24
x=4
Answer: this question may be easier to answer if you actually graph it. You can also use the app Desmos on the AppStore which is free to find the solution.
Step-by-step explanation:
Answer:
a
Step-by-step explanation: