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Flauer [41]
3 years ago
9

0=15" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
Free_Kalibri [48]3 years ago
7 0

Answer:

x = 15

Step-by-step explanation:

To solve this equation use, inverse operations,

\frac{x}{3} + 10 = 15\\-10\\\\\frac{x}{3}=5\\*3\\\\x = 15

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What should be subtracted from the product of<br>3/7 and 2/5 to get -4/35?​
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\implies {\pink {\boxed {\boxed {\purple {\sf { \: x =  \frac{2}{7}}}}}}}

\large\mathfrak{{\pmb{\underline{\red{Step-by-step\:explanation}}{\red{:}}}}}

Let x be the unknown number.

As per the question, we have

\: ( \frac{3}{7}  \times  \frac{2}{5} ) - x =  \frac{ - 4}{35}

➺\: \frac{6}{35}  - x =  \frac{ - 4}{35}

➺\:  - x =    \frac{ - 4}{35}  -  \frac{6}{35}

➺\:  - x =  \frac{ - 4 - 6}{35}

➺\:  - x =  \frac{ - 10}{35}

➺\: x =  \frac{2}{7}

Therefore, \frac{2}{7} should be subtracted from the product of \frac{3}{7} and \frac{2}{5} to get \frac{ - 4}{35}.

\large\mathfrak{{\pmb{\underline{\orange{To\:verify}}{\orange{:}}}}}

\: ( \frac{3}{7}  \times  \frac{2}{5} ) - x =  \frac{ - 4}{35}

➼\: ( \frac{6}{35} ) -  \frac{2}{7}  =  \frac{ - 4}{35}

➼\:  \frac{6}{35}  -  \frac{2 \times 5}{7 \times 5}  =  \frac{ - 4}{35}

➼\:  \frac{6 - 10}{35}  =  \frac{ - 4}{35}

➼\:  \frac{ - 4}{35}  =  \frac{ - 4}{35}

➼\: L.H.S.=R. H. S

\sf\purple{Hence\:verified. }

\huge{\textbf{\textsf{{\orange{My}}{\blue{st}}{\pink{iq}}{\purple{ue}}{\red{35}}{\green{☂}}}}}

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The lines outlined in a black box are the correct answers.

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