whats five and one fourth divided by one third with how u got it

Question

whats five and one fourth divided by one third with how u got it

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Xavia 4 years 2021-08-12T09:50:38+00:00 2 Answers 11 views 0

Answers ( )

    0
    2021-08-12T09:51:50+00:00

    A: 15.75

    Explanation:

    Convert
    5
    1
    4
    5
    ​4

    ​1
    ​​ to improper fraction. Use this rule:
    a
    b
    c
    =
    a
    c
    +
    b
    c
    a
    ​c

    ​b
    ​​ =
    ​c

    ​ac+b
    ​​ .
    5
    ×
    4
    +
    1
    4
    ÷
    1
    3
    ​4

    ​5×4+1
    ​​ ÷
    ​3

    ​1
    ​​

    2 Simplify
    5
    ×
    4
    5×4 to
    2
    0
    20.
    2
    0
    +
    1
    4
    ÷
    1
    3
    ​4

    ​20+1
    ​​ ÷
    ​3

    ​1
    ​​

    3 Simplify
    2
    0
    +
    1
    20+1 to
    2
    1
    21.
    2
    1
    4
    ÷
    1
    3
    ​4

    ​21
    ​​ ÷
    ​3

    ​1
    ​​

    4 Use this rule:
    a
    ÷
    b
    c
    =
    a
    ×
    c
    b

    ​c

    ​b
    ​​ =a×
    ​b

    ​c
    ​​ .
    2
    1
    4
    ×
    3
    ​4

    ​21
    ​​ ×3

    5 Use this rule:
    a
    b
    ×
    c
    =
    a
    c
    b
    ​b

    ​a
    ​​ ×c=
    ​b

    ​ac
    ​​ .
    2
    1
    ×
    3
    4
    ​4

    ​21×3
    ​​

    6 Simplify
    2
    1
    ×
    3
    21×3 to
    6
    3
    63.
    6
    3
    4
    ​4

    ​63
    ​​

    7 Convert to mixed fraction.
    1
    5
    3
    4
    15
    ​4

    ​3
    ​​

    Decimal Form: 15.75

    0
    2021-08-12T09:52:14+00:00

    Answer:

    the answer is A

    Step-by-step explanation:

    sorry i was late

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )