Answer:
D/2=r
Step-by-step explanation:
Since we want r to be by itself what we can do is divide 2 on both sides so 2 can cancel out on 2r and when you divide on both sides your left with d/2=r
Answer:
12
Step-by-step explanation:
2x3=6
6+6=12
Hope this helps
Answer:
H0 : u = 45
H : u not equal to 45
This is because the topic of claim or contention is that the average minutes a student need to complete the statistics exam is 45mins
54-48=6 so you need to find what percent 6 is of 48. 48 x 0.06= 2.88 so it increased by 2.88%