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algebra 1

posted by on .

express the area of each triangle as a monomial.

10. height-2n^2
base- 5n^3

11. height- 4ab^5
base- 3a^4b

  • algebra 1 - ,

    area = (1/2) base*height

    10. (1/2)(5 n^3)(2 n^2)
    to multiply, add exponents
    5 n^(3+2)
    or
    5 n^5

    11. (1/2) (3 a^4 b^1)(4 a^1 b^5)

    6 a^(4+1) b^(1+5)
    or
    6 a^5 b^6

  • algebra 1 - ,

    yes but in the first one (#10) the 1/2 and the 2 is not included. I don't know what to do with that.

  • algebra 1 - ,

    Oh, do the arithmetic separately
    (1/2)(5) (2) = 5

  • algebra 1 - ,

    In the second one it is
    (1/2)(3)(4)
    you could say that is
    (1.5)(4)
    or
    6
    but I looked at it and said to myself ---half of four is two, so it is two times three or 6

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