Anonymous
Anonymous asked in Science & MathematicsMathematics · 1 month ago

Find the number ?

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    10 - (4 + 1/7) =>

    6 - 1/7 =>

    42/7 - 1/7 =>

    41/7

    (41/7) / 5 =>

    41/35

    2 * (41/35) =>

    82/35

    4 1/7 + 82/35 =>

    29/7 + 82/35 =>

    145/35 + 82/35 =>

    227/35 =>

    210/35 + 17/35 =>

    6  17/35

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  • Philip
    Lv 6
    1 month ago

    15.What # is (2/5) of the distance, d, say,  from 4 1/7 to 10? let # = n.

    d = 10 - 4 1/7 = 9 7/7 - 4 1/7 = 5 6/7.

    (2/5)d =  (2/5)(5 + 6/7) = 2 + 12/35.

    Then n = 4 1/7 + (2/5)d = 4 5/35 + 2 12/35 = 6 17/35.

    Therefore (E) is the appropriate choice.

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  • No other at all in my opinion

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  • 1 month ago

    Distance from 4 1/7 to 10 = 5 6/7

    2/5 of the distance from 4 1/7 to 10 is 6 17/35

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  • sepia
    Lv 7
    1 month ago

    Distance from 4 1/7 to 10 = 5 6/7 

    2/5 of the distance from 4 1/7 to 10 is 4 1/7 + 82/35 = 4 1/7 + 2 12/35 = 6 17/35

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  • Ian H
    Lv 7
    1 month ago

    It is convenient to express all fractions in multiples of 1/35 

    4 and ¹⁄₇ = 29/7 = 145/35   

    10 is 350/35 

    Result will be [145 + (2/5)*205]/35 = (145 + 82)/35 = 227/35 

    The option that matches that is 6 and ¹⁷⁄₃₅ 

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  • 1 month ago

    ...into a ratio of 2:3 is (3(4¹∕₇)+2(10))/(2+3) which is 227/35 which is 6¹⁷∕₃₅

    Source(s): The point that partitions the line segment A to B into a ratio of a:b is (bA+aB)/(a+b).
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  • ?
    Lv 7
    1 month ago

    4 ¹⁄₇ = ²⁹⁄₇   and  10 = ⁷⁰⁄₇

    The distance from 4 ¹⁄₇  to 10 is

    ..........10 - 4 ¹⁄₇ =

    ..........⁷⁰⁄₇ - ²⁹⁄₇ =

    ..........⁴¹⁄₇

    and ²⁄₅ of the distance from 4 ¹⁄₇  to 10 is

    ..........²⁄₅ (⁴¹⁄₇) = ⁸²⁄₃₅

    so, the number that is ²⁄₅ of the

    distance from 4 ¹⁄₇  to 10 is

    ..........4 ¹⁄₇ + ⁸²⁄₃₅ =

    ..........²⁹⁄₇  +  ⁸²⁄₃₅ =

    ..........¹⁴⁵⁄₃₅+  ⁸²⁄₃₅ =

    ..........²²⁷⁄₃₅ =

    ..........6 ¹⁷⁄₃₅...............ANS

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  • Anonymous
    1 month ago

    I found a total of eighteen numbers!

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