Answer:2x+30 =90
If the angle is 90° altogether
60=A 30=30
Step-by-step explanation:
2x+30 =90
-30 -30
2x=60
÷2. ÷2
x=30
2*30=60
60+30=90
60=A B=30
Answer: x= 12/5 or 2 2/5
Step-by-step explanation:
12 girls out of 30 were selected, so the ratio "selected:tried" if 12/30. This fraction can be simplified into

Similarly, 16 boys out of 40 were selected, so the ratio "selected:tried" if 16/40. This fraction can be simplified into

So yes, the ratio of the number of students on the team to the number of students trying out the same for both boys and girls
Answer:
B and J switch because J is a repeating number and repeating numbers are irrational because they don't have a definte end. Other than that, you are good!
Step-by-step explanation: