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anonymous

  • one year ago

An inequality is shown below: −np − 5 ≤ 4(c − 2) Which of the following solves for n? n ≥ − the quantity 4 times c minus 3 all over p n ≥ − the quantity 4 times c minus 13 all over p n ≤ − the quantity 4 times c minus 3 all over p n ≤ − the quantity 4 times c minus 13 all over p

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  1. anonymous
    • one year ago
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    @imqwerty

  2. calculusxy
    • one year ago
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    \[\large \rm \color {blue}{-np - 5 \le 4(c - 2)}\] \[\large \rm -np - 5\le 4c - 8\] \[\large \rm -np \le 4c -3 \] \[\large \rm -n \le \frac{ 4c - 3 }{ p }\] `switch the sign when it's negative like -n and change the sign` \[\large \rm n \ge \frac{ 4c - 3 }{ p }\]

  3. calculusxy
    • one year ago
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    I am not sure if this is exactly correct...

  4. anonymous
    • one year ago
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    @imqwerty what do u think?

  5. imqwerty
    • one year ago
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    \[-np-5 \le 4(c-2) \]\[-np-5 \le 4c-8\]\[-np \le 4c-3\]dividing both sides by -p we will reverse the inequality cause we are dividing by a negative number sp\[n \ge \frac{ 4c-3 }{ -p }\]\[n \ge \frac{ -(4c-3) }{ p }\] oh no i didn't read calxy's solution :'( i typed it all its correct tho :')

  6. calculusxy
    • one year ago
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    why would it be negative "p"?

  7. calculusxy
    • one year ago
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    on the bottom?

  8. imqwerty
    • one year ago
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    i divided both sides by -p :)

  9. calculusxy
    • one year ago
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    isn't n negative?

  10. imqwerty
    • one year ago
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    no its not given anywhere

  11. calculusxy
    • one year ago
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    okay thanks :)

  12. anonymous
    • one year ago
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    what answer choice is that?

  13. imqwerty
    • one year ago
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    no prblm B) it wuld be A

  14. anonymous
    • one year ago
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    Which graph represents the solutions to the inequality |2x − 4| less than or equal to 14? number line with an open circle on negative 5, shading to the right and an open circle on 9, shading to the left number line with a closed circle on negative 5, shading to the right and a closed circle on 9, shading to the left number line with an open circle on negative 5, shading to the left and an open circle on 9, shading to the right number line with a closed circle on negative 5, shading to the left and a closed circle on 9, shading to the right

  15. anonymous
    • one year ago
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    i think its D

  16. anonymous
    • one year ago
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    It is D

  17. imqwerty
    • one year ago
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    \[|2x-4| \le 14\]\[-14 \le 2x-4 \le 14\]add 4 all over\[-10 \le 2x \le 18\]divide by 2\[-5 \le x \le 9\] so x can be between -5 and 9 so yes its D

  18. anonymous
    • one year ago
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    ok :D ty

  19. imqwerty
    • one year ago
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    np :D

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