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docker41 [41]
3 years ago
6

So Latly nobody has been Straight answering my question so maybe you can

Mathematics
2 answers:
Fed [463]3 years ago
8 0

Answer:

t=1

Step-by-step explanation:

  1. 16-2t= t+9+4t
  2. 16-2t=5t+9
  3. 7-2t=5t
  4. 7=7t
  5. t=1

Wewaii [24]3 years ago
7 0

Answer:

t=1

Step-by-step explanation:

combine the one t and the 4t

16-2t=5t+9

subtract the 16

-2t=5t+9-16

-7t=9-16

-7t=-7

t=1

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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
The length from one point to another that is a portion of the curve of the circle is called:
Tom [10]

Answer:

The length from one point to another that is a portion of the curve of the circle is called <u>arc</u>

5 0
2 years ago
The sum of five and three times a number is 74. Find the number.
Helga [31]

Answer:23

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Need help <br><br>True or False
EleoNora [17]

The answer to this question is false because it cannot still be both negative after you reflect over two positives.

7 0
3 years ago
Can someone help me solve this?
sdas [7]
The area of a triangle is base x height/2,
so all you have to do is multiply 6x20 to get 120 and then divide that by 2 to get 60 m squared!! :)
5 0
3 years ago
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