Question

Please solve very fast

Answer 1

Answer:

An equation derived by the twentieth-century physicist Albert Einstein, in which E represents units of energy, m represents units of mass, and c2 is the speed of light squared, or multiplied by itself.

Answer 2

i am good person I will not slamp or ans irrelevant !!

$\huge{ANSWER :-}$

$1) \: \red\star \: 21\%$

${EXPLANATION :-}$

$C.P. of 1 knife = \frac{10}{11}$

$S.P of 1 knife = \frac{11}{10}$

$Profit = S.P − C.P$

$Profit = \frac{11}{10} - \frac{10}{11} </em></strong></p><p><strong><em> = \frac{121 - 100}{110} </em></strong></p><p><strong><em> = \frac{21}{110} </em></strong></p><p><strong><em>[tex]Profit </em></strong></p><p><strong><em>= \frac{11}{10} - \frac{10}{11} </em></strong></p><p><strong><em> </em></strong></p><p><strong><em>= \frac{121 - 100}{110} </em></strong></p><p><strong><em>= \frac{21}{110}$