Answer:
Step-by-step explanation:
2. 3x-1/3 = 5
+1/3 +1/3
___________-
3x= 5 1/3
÷3 ÷3
__________________
x=1.77777777778
5. 3x-9=5x-3
+3 +3
_____________-
3x-6=5x
-3x -3x
_______________-
-6=2x
÷2 ÷2
______________-
-3=x
8. 3x-2x=8 ( I crossed multiplied btw)
x=8
Hope this helps ∞<3
Answer:
Step-by-step explanation:
abcd=540
2(5)9a=540
90a=540
a=540/90
a=6
63-x=2x+3
-3 +x +x -3
60=3x
60/3 = 3x/3
20=x
Answer:
0.28
Step-by-step explanation:
If the probability that the student does take statistics is 0.72, then it must mean that the rest of the students will not take statistics.
1 - 0.72 = 0.28
0.28 will be the probability that the student does not take statistics.