Answer:-1
Step-by-step explanation:You do reverse operation so negative 2Y means multiplication so you divide two -2 sides so positive two divided by -2 is -1
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Two cones have their heights in the ratio 1 : 3 and the radius of their bases in the ratio 3 : 1 show that their volumes are in the ratio 3 : 1.
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⇒ Ratio of heights of two cones = 1 : 3
⇒ Ratio of radius of their bases = 3 : 1
⇒ We know that V = 1/3πr²h
⇒ Ratio of their volume = V1 : V2









Answer:
Sqrt of 144 is 12
Step-by-step explanation:
Answer:
can we see the options please
You just substitute in what x equals. ex. x=16, x-7 : 16-7=9.
x-7
1. x= -8; -8-7= -15
2. x= -11; -11-7= -18
3. x=16; 16-7= 9