Answer:
AC = 10sin40°
Step-by-step explanation:
Using the sine ratio in the right triangle
sin40° =
=
, then
sin40° =
( multiply both sides by 10 )
10sin40° = AC
Answer:
c
Step-by-step explanation:
The answer is Mary x 2 + 3
I hope this helps :)
Answer: 7 and 83
Step-by-step explanation:
complementary have an engles sum of 90 degree
7+83=90.
-10a+15b + 15b-10a = -20a+30b