The equation [img]2011q3/ct_egmatqm_egmatqchoose_0283_201121[/img] relates the v

游客2024-01-14 28

问题 The equation

relates the values of two linked currencies, where R is the value in dollars of one currency and S is the value in dollars of the other currency. Which of the following equations can be used to convert dollar values from the R currency to the S currency?

选项 A、
B、
C、
D、
E、

答案 A

解析 You can simplify the equation by multiplying 7 times both sides, which results in the equation

, which can be restated as 5R-15=4S+32, which can be restated as

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The equation [img]2011q3/ct_egmatqm_egmatqchoose_0283_201121[/img] relates the v

[img]2011q3/ct_egmatqj_egmatqchoose_0034_20111[/img]A、0.125B、0.25C、0.625D、12.

Inthefigureabove,whatisthevalueof2s-r?[img]2011q3/ct_egmatqj_egmatqchoo

Intheflattriangularsurfacedepictedabove,if[img]2011q3/ct_egmatqm_egmatqc

If[img]2011q3/ct_egmatqm_egmatqchoose_0468_201121[/img]andxy=4,then7y+2x=[i

[img]2011q3/ct_egmatqm_egmatqchoose_0444_201121[/img]A、0.0125B、0.025C、0.1D、0.

[img]2011q3/ct_egmatqm_egmatqchoose_0443_201121[/img]A、 B、 C、

Whichofthefollowingfractionshasthegreatestvalue?[img]2011q3/ct_egmatqm_e

[img]2011q3/ct_egmatqm_egmatqchoose_0199_20112[/img]A、416B、224C、188D、104E、56

Whatistheperimeterofasquarewitharea[img]2011q3/ct_egmatqm_egmatqchoose_0

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