作业帮高分求一道GMAT数学题.The rate of a chemical is directly proportionate to the square of A and inversely to B,if B increase 100%,what is the change of percentage of
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高分求一道GMAT数学题.The rate of a chemical is directly proportionate to the square of A and inversely to B,if B increase 100%,what is the change of percentage of
高分求一道GMAT数学题.
The rate of a chemical is directly proportionate to the square of A and inversely to B,if B increase 100%,what is the change of percentage of
高分求一道GMAT数学题.The rate of a chemical is directly proportionate to the square of A and inversely to B,if B increase 100%,what is the change of percentage of
新prep第一套的题吧
一个反应的速率,与A的平方成正比例,与B成反比例.
B增加100%,问A的比例如何变化.
设速率为X x与A平方成正比,与B成反比那么
X=K（A平方/b) K为设的系数,可以不管.
B变成2B了,A如何变,速率才不变,那么有了下列等式
X1=K（A平方/B) X2=K(新的A的平方/2b)
速率不变,那么X1=X2,解得新的A的平方2倍A平方.
那么新的A=根号2倍的A
根号2=1.4,所以新的A=1.4A
那么就是增加40%
高分求一道数学题>
高分求一道GMAT数学题.The rate of a chemical is directly proportionate to the square of A and inversely to B,if B increase 100%,what is the change of percentage of
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