Datrys 90=k*(40)^2 | Microsoft Math Solver

Neidio i'r prif gynnwys

Datrys ar gyfer k

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Rhannu

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90=k\times 1600

Cyfrifo 40 i bŵer 2 a chael 1600.

k\times 1600=90

Cyfnewidiwch yr ochrau fel bod yr holl dermau newidiol ar yr ochr chwith.

k=\frac{90}{1600}

Rhannu’r ddwy ochr â 1600.

k=\frac{9}{160}

Lleihau'r ffracsiwn \frac{90}{1600} i'r graddau lleiaf posib drwy dynnu a chanslo allan 10.

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