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macy

  • 5 years ago

how do i solve: -5n(n+3)=0 by using the zero-product property?

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  1. anonymous
    • 5 years ago
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    -5n=0 n+3=0

  2. anonymous
    • 5 years ago
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    n=0, n=-3

  3. anonymous
    • 5 years ago
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    -5n (n+ 3) =0 -5(2 n) + -15n= 0 -10n + -15n +0 -25n=0 +25 +25 n=25

  4. macy
    • 5 years ago
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    thanks so much!! :):)

  5. amistre64
    • 5 years ago
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    n doesnt equal 25 .... audia was correct clover mistook n*n to mean 2n instead of n^2

  6. macy
    • 5 years ago
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    oh..pellet lol

  7. macy
    • 5 years ago
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    well i still needed the step by step answer anyways.. :/

  8. macy
    • 5 years ago
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    In an exponential model, the y values (?) decrease as the x values increase. a. always b. sometimes c. never

  9. macy
    • 5 years ago
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    please help!

  10. amistre64
    • 5 years ago
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    ill help; but save the vulgarity for a different forum please. we are trying to keep this a family friendly environment....

  11. amistre64
    • 5 years ago
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    sometimes is my best guess

  12. amistre64
    • 5 years ago
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    it depends on the base being used. If the base is between 0 and 1; it increases as x gets small if its greater than 1; it decreases as x gets small

  13. amistre64
    • 5 years ago
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    well, same principle; different x values direction :)

  14. amistre64
    • 5 years ago
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    2^x increases as x gets bigger (1/2)^x decreases as x gets bigger, so sometimes

  15. macy
    • 5 years ago
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    yeah that was my guess too. thanks

  16. amistre64
    • 5 years ago
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    yw :)

  17. macy
    • 5 years ago
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    :)

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