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tahmidusa tahmidusa
  • 12-01-2021
  • Mathematics
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what is c- 20 + (4c) c = 30​

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Аноним Аноним
  • 12-01-2021

Answer:

[tex] 20 + (4c)c = 30 \\ 4 {c}^{2} = 30 - 20 \\ 4 {c}^{2} = 10 \\ {c}^{2} = \frac{10}{4} \\ c = \sqrt{ \frac{10}{4} } \\ c = \frac{ \sqrt{10} }{2} \\ c = \frac{5}{ \sqrt{10} } [/tex]

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