Answer:
one solution
Step-by-step explanation:
X-9=0
Add 9 to each side
X-9+9=0+9
x = 9
There is one solution
Answer:
2/5. 4/10. 6/15. 8/20. 10/25. 12/30
Step-by-step explanation:
Since the angles are complementary, they add to 90°. So we can write the equation:
x represents the first angle, and 4x represents the second
x+4x=90
5x=90
x=18
So the first angle is 18° and the second is 72° (18*4)
Hope this helps
Answer:
sorry for the late answer
1. 1/3
2.1/3
3.3/36
this is because probability is equal to favourable outcome/total outcome. in this case, favourable outcome is the outcome that is asked in the question and total outcome is all the possibilities