Answer:
415
Step-by-step explanation:
the nth term of the sequence is -13 + 4n
the sequence is an arithmetic progression with nth term a + (n - 1)d
a = -9, d = a5- a4 = 7 -3 =4
nth = -9 + (n -1) 4
= -9 + 4n -4
= -13 + 4n
hence the 107th term; -13 + 4*107
-13 + 428 = 415
Answer:
the answer is 12
Step-by-step explanation:
check the picture below.
now, if we split that triangle like so with that red line, we can use the right-triangle there, to get θ.

Answer:
Step-by-step explanation:
E.
Because
30+20=50
and
30-20 = 10