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3 years ago

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What is the relationship between gross pay and net pay? A. Gross pay is less than net pay B. Gross pay is more than net pay C. G

ross pay is the same as net pay

1 answer:

k0ka [10]3 years ago

7 0

Answer:b

Step-by-step explanation:

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4x-y+2z=-6,-2x+3y-z=8,2y+3z=-5

Anit [1.1K]

From third equation count y:
$2y+3z=-5 \\ 2y=-5-3z \qquad /:2 \\ y=\frac{-5-3z}{2}$
From first equation count x:
$4x-y+2z=-6 \\ 4x=-6-2z+y \qquad /:4 \\ x=\frac{-6-2z+y}{4}$
Substitute "y", which is counted from third equation:
$x=\frac{-6-2z+\frac{-5-3z}{2}}{4}=\frac{-\frac{12}{2}-\frac{4z}{2}+\frac{-5-3z}{2}}{4}=\frac{-12-4z-5-3z}{8}=\frac{-7z-17}{8}$
So now you've got:
$y=\frac{-5-3z}{2} \\ x=\frac{-z-7}{8} \ \\ \hbox{Substitute this to second equation:} \\ -2 \cdot \frac{-7z-17}{8}+3 \cdot \frac{-5-3z}{2}-z=8 \\ \frac{7z+17}{4}+\frac{-15-9z}{2}-z=8 \qquad /\cdot 4 \\ 7z+17-30-18z-4z=32 \\ -15z-13=32 \\ -15z=45 \qquad /:(-15) \\ z=-3 \\ x=\frac{3-7}{8}=\frac{4}{8}=\frac{1}{2} \\ y=\frac{-5+9}{2}=\frac{4}{2}=2$
So the solution is:
$\begin{cases} x=\frac{1}{2} \\ y=2 \\ z=-3 \end{cases}$

5 0

3 years ago

What is the GCF of the two terms in the expression 15x - 25

Pepsi [2]

5 is the GCF because 5 divided by 15 is 3 and 25 divided by 5 is 5.

8 0

3 years ago

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1-part B<br> 2- part B<br> 4-<br> 5-<br><br> Please someone help <br> I don’t understand

pickupchik [31]

The answer to the questions

5 0

3 years ago

Papessa [141]

Answer:

no solution

Step-by-step explanation:

ya gotta use your eyes and brain huney. it aint that hard. kk? but ill still explain for you.

since x+y=6 and x+y=4. then 4=6. but that is false so no solution.

YOUR WELCOME!

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3 years ago

Which expression is equivalent to the ones below? Check all that apply. 36^x/6^x

a_sh-v [17]

I want to say it is A because if you simplify it then it should say 36x/6x. I hope this helps! If wrong correct me..

6 0

3 years ago

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