By what number should (-1/8) be multiplied so that the product may be equals to 1/10 ? (1 Point) 2upon 5 −4

Question

By what number should (-1/8) be multiplied so that the product may be equals to 1/10 ?

(1 Point)

2upon 5

−4upon5

3upon5

−2upon5

,​

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Ivy 2 weeks 2021-09-10T11:26:13+00:00 2 Answers 0 views 0

Answers ( )

  1. Emma
    0
    2021-09-10T11:27:32+00:00

    Given:

    One number is (-1/8)

    To find

    A number that will be multiplied to (-1/8) to get 1/10

    So,

    Let the number be n

    Now,

    The equation formed according to the question is,

    ⇒ (-1/8) * n = 1/10

    ⇒ n = (1/10) ÷ (-1/8)

    [by transporting (-1/8) to RHS]

    ⇒ n = (1/10) * (-8/1)

    ⇒ n = (-8/10)

    [Now, (-8 ÷ 2 = -4) and (10 ÷ 2 = 5)]

    ⇒ n = (-4)/5

    Hence,

    The number is (-4/5) which should be multiplied to (-1/8) to get the product (1/10).

    So,

    Option second is the correct answer, (-4/5)

  2. Emma
    0
    2021-09-10T11:27:51+00:00

    Answer:

    • ☆☞Let the no. which multiplied -1/8 to get1/10 be y
    • ☆☞Then

    ☞ -1/8 x y =1/10

    • ☞ y = 1/10x-8/1
    • ☞y=-8/10

    ☞ y=-4/5Ans.

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