Question

3 by 5 + (2 whole 2 by 7 minus 1 whole 1 by 3) 1 X 1 whole 3 by 4​

Answer 1

Step-by-step explanation:

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Secondary School Math 5 points

-''find the value of x minus 7 by 11 whole to the power minus 3 multiply minus 7 by 11 whole to the power 5 X equal to minus 7 by 11 4 to the power minus 2 whole to the power minus 1

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Answer:

Step-by-step explation

begin mathsize 16px style fraction numerator straight a to the power of negative 1 end exponent plus straight b to the power of negative 1 end exponent over denominator straight a to the power of negative 2 end exponent minus straight b to the power of negative 2 end exponent end fraction

fraction numerator begin display style 1 over straight a end style plus begin display style 1 over straight b end style over denominator begin display style 1 over straight a squared end style minus begin display style 1 over straight b squared end style end fraction

fraction numerator begin display style fraction numerator straight a plus straight b over denominator ab end fraction end style over denominator begin display style fraction numerator straight b squared minus straight a squared over denominator straight a squared straight b squared end fraction end style end fraction

fraction numerator straight a plus straight b over denominator ab end fraction cross times fraction numerator straight a squared straight b squared over denominator straight b squared minus straight a squared end fraction

left parenthesis straight a plus straight b right parenthesis cross times fraction numerator ab over denominator open parentheses straight b minus straight a close parentheses open parentheses straight b plus straight a close parentheses end fraction

fraction numerator ab over denominator straight b minus straight a end fraction

end style

Answer 2

$\frac{3}{5}+(2\frac{2}{7}-1\frac{1}{3})\times 1\frac{3}{4}=2.67$

Step-by-step explanation:

Given : Expression $\frac{3}{5}+(2\frac{2}{7}-1\frac{1}{3})\times 1\frac{3}{4}$

To find : The value of the expression ?

Solution :

Step 1 - Write the expression,

$\frac{3}{5}+(2\frac{2}{7}-1\frac{1}{3})\times 1\frac{3}{4}$

Step 2 - Solve the mixed fraction,

$=\frac{3}{5}+(\frac{16}{7}-\frac{4}{3})\times \frac{7}{4}$

Step 3 - Apply distributive property, $a(b+c)=ab+ac$

$=\frac{3}{5}+\frac{16}{7}\times \frac{7}{4}-\frac{4}{3}\times \frac{7}{4}$

$=\frac{3}{5}+4-\frac{7}{3}$

Step 4 - Solve,

$=\frac{9+60-35}{15}$

$=\frac{34}{15}$

$=2.67$

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''find the value of x minus 7 by 11 whole to the power minus 3 multiply minus 7 by 11 whole to the power 5 X equal to minus 7 by 11 4 to the power minus 2 whole to the power minus 1 ​

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