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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- help_people

- Nnesha

first of all distribute parentheses by outside term

- help_people

so -np-5<=4x-8

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## More answers

- amoodarya

-np - 5 ≤ 4(c - 2)
np+5

- Nnesha

alright yes that's right
you have to isolate n
so move -5 to the right side
and remember when you MULTIPLY or DIVIDE by negative number then you should flip the inequality sign

- Nnesha

\(\color{blue}{\text{Originally Posted by}}\) @help_people
so -np-5<=4x-8
\(\color{blue}{\text{End of Quote}}\)
4c*

- amoodarya

np +5 >=- 4(c - 2)
np >= -4c +8-5
np> = -4c+3

- help_people

ok

- help_people

why do i do after?

- amoodarya

divide by p

- help_people

np/p=-4c+3/p
n>=4c-3/p

- anonymous

-np - 5 ≤ 4(c - 2)
-np - 5 ≤ 4c - 8
adding +5 for both sides
-np=<4c-8+5
-np=< 4c-3
multiply by (-1)
np >=-4c+3

- help_people

based on that a is the answer?

- Nnesha

based on what ?
\[\rm n \ge \frac{ -4c \color{reD}{+}3 }{ p }\]
n ≥ - the quantity 4 times c **minus** 3 all over p

- Nnesha

or you can write it as
\[\rm n \ge \frac{ 3 -4c }{ p }\]
but still 3 is positive
take a screenshot

- help_people

well none of this options have that so a right?

- Nnesha

a is incorrect
but bec none of options are right so yeah a.......:/

- Nnesha

n ≥ - the quantity 4 times c minus 3 all over p
\[\rm n \ge \frac{ -4c \color{reD}{-}3 }{ p }\]
\[\rm n \ge \frac{ \color{reD}{-} (4c \color{reD}{+}3) }{ p }\]
negative sign is common so take it out
mhm

- Nnesha

if we do backwards then that^^ makes sense

- help_people

ok just to claify because i do not want to get it wrong a is correct

- help_people

- Nnesha

i guess YES

- help_people

ok may you help w. another ?

- Nnesha

i'll try

- help_people

ok

- help_people

Which equation is not equivalent to the formula e = mc?
m equals e over c
c equals e over m
e = cm
m equals c over e

- help_people

i think its d @Nnesha

- Nnesha

how ?
can you explain a littlebit ?

- Nnesha

:-)

- help_people

well sure i solve for m and c idk about the e=cm but that leaves us with m=c/e

- Nnesha

solve for e m =c/e

- Nnesha

yes that's right m = c/e
equal to em =c which is not equivalent to e =mc

- help_people

wait so d is right??

- help_people

it is not equally to e=mc because what u said before confused me :D

- Nnesha

ye d is right

- Nnesha

equation is e = mc m TIMES c
and D is m = c/e which is em = c
solve for e you will get e = m/c m OVER c

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