Question

the product of two rational numbers is -2 if one of them is 4/7 what is the other​

Answer 1

Question :

the product of two rational numbers is -2 if one of them is 4/7 what is the other?

Answer :

$\sf\pink{Given:}$

• Product of two rational numbers is -2.

• One of the numbers is $\sf{\dfrac{4}{7}}[\tex]</li></ul><p></p><p></p><p></p><p>[tex]\sf\pink{To\:find:}$
  • Other number ?

  Explanation :

  • let the other number be "x"

  Equation Formed :

  $\\ \longrightarrow\sf{ x\times \dfrac{4}{7} = -2}$

  $\\ \longrightarrow\sf{ \dfrac{4x}{7} = -2}$

  $\\ \longrightarrow\sf{ 4x = -2\times 7}$

  $\\ \longrightarrow\sf{ 4x = - 14}$

  $\\ \longrightarrow\sf{ x = \dfrac{- 14}{4}}$

  Therefore the other number is $\sf{\dfrac{-14}{4}}$

Answer 2

Answer:

The other number is -7/2 or -3.5

Step-by-step explanation:

Hope it helps.

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