Algebra 2

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please please please help

  • Algebra 2 -

    The answer is 4

  • Algebra 2 -

    I would really appreciate help on these equations.

    3. Devon tosses a horseshoe at a stake 30 feet away. The horseshoe lands no more than 3 feet from the stake. (a) Write an absolute value inequality that represents the range of distances that the horseshoe travels. (b) Solve the inequality.

    Solve for x
    4. (x - 2)(x + 1) = 4
    Factor completey
    7. 2x^4 + 16x

  • math tutor verifty this thanks -

    4. to find what x is just do this:

    x-2=4
    x+1=4

    solve for those and you should get 2 answers

    Not sure about 7.

  • Algebra 2 -

    3. |D-30| < 3
    D = 27 < D < 33
    (< should actually be <or=, but I can't type it)

    4. x^2 -x -2 = 4
    x^2 -x -6 = 0
    (x-3)(x+2) = 0
    x = 3 or -2

    7. 2x(x^3 +8)

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