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LekaFEV [45]
3 years ago
5

Which value for x makes the sentence true?

Mathematics
1 answer:
leva [86]3 years ago
4 0

Answer:

im gonna go with  a

Step-by-step explanation

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5.3.4 Journal: Two-Variable Systems Elimination <br><br> I need urgent help
max2010maxim [7]

Answer:

1) X stands for individual acts and y,  group acts. 2) Each scenario describes a different period in minutes, but each one respecting their different amounts (individual and group acts). 3) S=\left \{ 5,10 \right \}

Step-by-step explanation:

Completing with what was found:

<em> 1) Here is a summary of the scenario your classmate presented for the talent show:Main show The main show will last two hours and will include twelve individual acts and six group acts.Final show The final show will last 30 minutes and will include the top four individual acts and the top group act.The equations he came up with are: 12x+ 6y= 120, 4x+ y= 30</em>

1. What do x and y represent in this situation?

X stands for individual acts and y,  group acts.

Besides that, In the system of equation, they represent the time for x, and the time for y.

2. Do you agree that your classmate set up the equations correctly? Explain why or why not.

Yes, that's right. Each scenario describes a different period in minutes, but each one respecting their different amounts (individual and group acts). Either for 120 minutes or 30 minutes length. And their sum totalizing the whole period.

3. Solving the system by Elimination

\left\{\begin{matrix}12x+ 6y= 120\\ 4x+ y= 30\end{matrix}\right.\\\left\{\begin{matrix}12x+ 6y= 120\\ 4x+ y= 30\:*(-3)\end{matrix}\right.\\\left\{\begin{matrix}12x+ 6y= 120\\ -12x+ -3y= -90\end{matrix}\right.\\3y=30\Rightarrow y=10\\4x+(10)=30\Rightarrow 4x=20\Rightarrow x=5\\S=\left \{ 5,10 \right \}

8 0
3 years ago
SHOW WORK PLEASE IN A TESt!!!
charle [14.2K]
Add 10 to both sides to cancel out the 10
divide 2 on both sides
X= 18

4 0
3 years ago
Divide. <br> 3/5 \1/4<br><br> A. 3/20<br> B. 5/12<br> C. 4/9<br> D. 2 2/5
KIM [24]
Its letter A 3/20 i divided it


4 0
3 years ago
One side of a square measures 6 centimeters. How tall is your area?
fgiga [73]

Area is side times side

One side = 6 cm

Area= 6×6= 36cm squared.

6 0
2 years ago
PLS HELP ASAP.........
Alchen [17]

Answer:

Step-by-step explanation:

Because there is sound and a tune that plays again anytime people are shown having fun at the carnival, the Kit Kat commercial is effective. When the sound is silenced, the commercial's lyrics will come to the viewer's thoughts without any further thought.

4 0
2 years ago
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