Use the number line below, where RS = 6y + 3, ST = 4y + 7, and RT = 60.​

Question

Use the number line below, where RS = 6y + 3, ST = 4y + 7, and RT = 60.​

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Huyền Thanh 3 years 2021-08-20T22:23:58+00:00 2 Answers 11 views 0

Answers ( )

    0
    2021-08-20T22:25:07+00:00

    Answer:

    Step-by-step explanation:

    RS + ST = RT

    6y + 3 + 4y + 7 = 60

    6y + 4y + 3 + 7 = 60

           10y + 10   = 60

                      10y = 60 – 10

                     10y = 50

                        y = 50/10

    y = 5

    RS = 6*5 + 3 = 30 +3 = 33

    ST = 4*5 + 7 = 20 + 7 = 27

    0
    2021-08-20T22:25:31+00:00

    Step-by-step explanation:

    [Diagram in image attached]

    RS + ST = RT

    (6y +3) + (4y + 7) = 60

    6y + 3 + 4y + 7 = 60

    10y + 10 = 60

    10y = 60 – 10

    10y = 50

    y = 50/10

    y = 5

    RS = 6y +3 = 6(5) + 3 = 30 + 3 = 33

    ST = 4y +7 = 4(5) + 7 = 20 + 7 = 27

    RT = 60

    {RS + ST = RT

    33 + 27 = 60}

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