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Helpmepleazz

  • 2 years ago

-2/5 x - 9 < 9/10???

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  1. Helpmepleazz
    • 2 years ago
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    Can you help me???

  2. mth3v4
    • 2 years ago
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    i might probably get this wrong (i have so many people here to correct me :D) q+12-2(q-22)> 10 2(q-22)+q+12>10+2(q-22) additive inverse q+12> 10+2(q-22) q+22>10+ 2q-44 simplify (34)+ q+22 > 2q-34 +(34) additive inverse q+ 56 > 2q 56> q

  3. Helpmepleazz
    • 2 years ago
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    Umm idk... Can anyone else give there opinion?

  4. PaxPolaris
    • 2 years ago
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    \[-\frac25 x - 9 < \frac9{10}\]First You want to isolate the monomial with x, so:\[\implies -\frac25 x<\frac9{10}+9\] follow so far?

  5. PaxPolaris
    • 2 years ago
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    \[9+ \frac9{10}= {99\over10}\]\[\therefore -\frac25 x<{99 \over 10}\] Next you want to get rid of the co-efficient of x...

  6. Helpmepleazz
    • 2 years ago
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    thanks!

  7. mth3v4
    • 2 years ago
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    lol wrong problem

  8. mth3v4
    • 2 years ago
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    that was for the last post

  9. mth3v4
    • 2 years ago
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    i copy and pasted

  10. PaxPolaris
    • 2 years ago
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    You do that by multiplying both sides by -5/2... Note that when multiplying both sides by a negative number flips the < sign to >\[-\frac52 \cdot-\frac25\cdot x>-\frac52\cdot {99 \over 10}\]\[\implies 1\cdot x>-{99 \over 4}\]\[\implies x>-24{3 \over 4}\]

  11. Helpmepleazz
    • 2 years ago
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    thanks now can u answer this? Starting from 1.5 miles away, a car drives towards a speed checkpoint and then passes it. The car travels at a constant rate of 53 miles per hour. The distance of the car from the checkpoint is given by . At what times is the car 0.1 miles from the checkpoint? Calculate your answer in seconds

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