Math, asked by AYUSHVANI, 4 days ago

Please solve I will mark you as Brainlist
Please solve question no 10

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Answers

Answered by pradiptachatterjee
1

Answer:

-195/208

Step-by-step explanation:

Let's suppose the number that needs to be multiplied is x

According to the question:

(-8/39)×x = 5/26

x = 5/26 × 39/-8

x = -195/208

Answered by 11Prem11
0

Question:- By what rational number -8/39 be multiplied to obtain 5/26?

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Answer:-

Here , we need to find the number multiplied by -8/39

so let suppose that number to be X

x \times  \frac{ - 8}{39}  =  \frac{5}{26}

let move -8/39 to rhs so it will be reciprocated.

x =  \frac{5}{26}  \times  \frac{39}{ - 8}

x =  \frac{5 \times 39}{26 \times  ( - 8) }

x =  \frac{195}{ - 208}

So X=195/-208

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VERIFICATION:-

Lets solve LHS

x \times  \frac{ - 8}{39}

 \frac{195}{ - 208}  \times  \frac{ - 8}{39}

We know -8 × 26 = -208

 \frac{195}{26}  \times  \frac{1}{39}

we know 39×5=195

 \frac{5}{26}  \times  \frac{1}{1}

 \frac{5}{2}

= RHS

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