-7 ÷ 2 1/2
Okay, so first, put the -7 over one and make 2 1/2 an improper fraction. so now:
-7/1 ÷ 5/2
Then, take the reciprocal of 5/2 and multiply it by -7/1
-7/1 × 5/2
Which would be -35/2
Answer:
it should be not similar if I'm correct
Answer:
1:3
Step-by-step explanation:
The required ratio will be ,
7:21
= 1 :3
Answer:

Step-by-step explanation:
V=Tr^2h
V / T = r^2 h
V / Th = r^2
√V / Th
