Question

15. Which of equalities means that m makes 30 % from k?(A) 10m - 3k = 0(B) 7m - 10k = 0(C) 3m - 10k =0(D) 7m - 3k = 0​

Answer 1

Answer:

tex] \begin{lgathered}\tt \implies \: (25 - x) {}^{2} = (x) {}^{2} + (5) {}^{2} \\ \tt \implies625 - 50 + x {}^{2} = x {}^{2} + 25 \\ \tt \implies - 50xtex] \begin{lgathered}\tt \implies \: (25 - x) {}^{2} = (x) {}^{2} + (5) {}^{2} \\ \tt \implies625 - 50 + x {}^{2} = x {}^{2} + 25 \\ \tt \implies - 50x