搜狗做题网问一个英语的数学问题：（请帮个忙~）下补充~
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问一个英语的数学问题：（请帮个忙~）下补充~
The cost of similar bottles of milk is proportional to the volume.A bottle which has a radius of 36mm costs 75c.Question:a.What is the price (to the nearest cent)of the bottle with a radius 45mm?b.What is the radius (to 3s.f.)of the bottle which costs $1?
The cost of similar bottles of milk is proportional to the volume.A bottle which has a radius of 36mm costs 75c.Question:a.What is the price (to the nearest cent)of the bottle with a radius 45mm?b.What is the radius (to 3s.f.)of the bottle which costs $1?
还挺难.用汉语说吧.价格于体积成比例,也就是与半径的三次方成比例.
半径比是1.25,体积比是1.9多.
b问题你应该会了吧
半径比是1.25,体积比是1.9多.
b问题你应该会了吧