Answer:
this angle is a right angle(90°)
and one of the 2 angles is 30
3x+30=90
3x=90-30
3x=60
x=20
==> B
Hello :
x²+x - 2 =0
a=1 b=1 c = -2
<span>The sum of the roots is : S = -b/a
</span>S = - 1/1 = -1
The answer should be X = Z / 6piy
Answer: 8
because its going up by 8
8+8=16
16+8=24
24+8=32
8,16,24,32
The answer is 6/40. All the others equal 1/5.
