anonymous
  • anonymous
help with 2 questions?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
anonymous
  • anonymous
:T
anonymous
  • anonymous
k, so for the first question you posted, find the two possibilities

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More answers

anonymous
  • anonymous
@heretohelpalways either B or D
anonymous
  • anonymous
you know the circles would be filled in
anonymous
  • anonymous
and there are two possibilities
anonymous
  • anonymous
that should help
anonymous
  • anonymous
I am not going to tell you which one is right, though
anonymous
  • anonymous
try solving the inequalities
anonymous
  • anonymous
alright brb
anonymous
  • anonymous
2x−6≥10 and 2x−6≤−10
anonymous
  • anonymous
now, solve those equations
anonymous
  • anonymous
if you don't know how, then go to https://www.khanacademy.org/math/algebra/linear_inequalities
anonymous
  • anonymous
x greater or equal than 8 for the first one?
anonymous
  • anonymous
@heretohelpalways i got the first one. could you help me with the second one pls?
misty1212
  • misty1212
HI
misty1212
  • misty1212
i will give you the answer to the second one on the condition that you tell me exactly where this question came from it is written by someone who does not know math
anonymous
  • anonymous
@misty1212 hey. its from my virtual course, written by teachers. and are you sure?!
misty1212
  • misty1212
yes i am sure, but i need to know exactly what course
misty1212
  • misty1212
i can walk you through to the answer step by step, and show you what the mistake is
anonymous
  • anonymous
FLVS
misty1212
  • misty1212
how did i guess can you please provide me with the question id number they need some serious help down in florida
anonymous
  • anonymous
i am afraid there is no question id visible, how can i find it?
misty1212
  • misty1212
just give me the unit number it is number 13 i can see, but i am not sure what course, unit number etc
anonymous
  • anonymous
oh ok 5.14 segment one exam part 1. its the algebra 1 course.
misty1212
  • misty1212
ok lets solve it and find the mistake ready?
anonymous
  • anonymous
yes, and i am emailing my teacher as we speak letting her know.
misty1212
  • misty1212
\[-np-3\geq 7(c-4)\] distribute on the right \[-np-3\geq 7x-28\] is the first step
misty1212
  • misty1212
add \(3\) to both sides \[-np\geq 7c-25\]
misty1212
  • misty1212
now here comes the mistake you have to divide both sides by \(-p\) to solve for \(n\)
misty1212
  • misty1212
so it might be \[n\geq -\frac{7c-25}{p}\] or \[n\leq -\frac{7c-25}{p}\] they want you to choose the second one because if you divide by a negative number you have to change the inequality BUT
misty1212
  • misty1212
you do not know whether \(-p\) is positive or negative they want you to think it is negative because of the minus sign, but there is no way of knowing whether \(-p\) is a positive number or a negative number it is a serious error
misty1212
  • misty1212
the poor misguided folks at FLVS make this mistake all the time, because apparently they do not understand variables for example, if \(p=5\) then \(-5=-5\) and is negative BUT if \(p=-5\) then \(-p=+5\) and it is positive
misty1212
  • misty1212
long and the short of it is, you cannot solve an inequality with variable coefficients sorry about the state of education in your area
anonymous
  • anonymous
its ok lol, thank you so much for telling me how it was not written correctly i really appreciate it. may i show you one more question i already have an answer but i just want to make sure it is right. @misty1212
misty1212
  • misty1212
if you do not feel like rocking the boat , just choose \[n\leq -\frac{7c-25}{p}\] but i hope you understand that you cannot solve this question
misty1212
  • misty1212
yeah sure
anonymous
  • anonymous
its ok. i would had taken your word for it even if you wouldn't had explained lol and here it is
misty1212
  • misty1212
hold on one secnnd
anonymous
  • anonymous
alright
misty1212
  • misty1212
your selected answer is wrong it should be \[3x+y=-7\] if you substitute you will see it works for both points
anonymous
  • anonymous
@misty1212 thank you so much for your time!
misty1212
  • misty1212
yw
misty1212
  • misty1212
\[\color\magenta\heartsuit\]

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