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LuckyWell [14K]
3 years ago
7

(01.07) Which of the following describes the correct process for solving the equation 3x + 6 = 21 and arrives at the corr O Divi

de both sides by 6 and then add 3. The solution is x = 5. Add 6 to both sides of the equation and then divide by 3. The solution is x = 9. O Subtract 6 from both sides of the equation and then divide by 3. The solution is x = 8. Subtract 6 from both sides of the equation and then divide by 3. The solution is x = 5.​

Mathematics
1 answer:
Leviafan [203]3 years ago
7 0

Answer:

Subtract 6 from both sides of the equation and then divide by 3. The solution is x = 5.​

Step-by-step explanation:

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What are the solutions to the equation y² + 16 = 212?
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Y² + 16 = 212 
<span>y</span>² <span>= 196 </span>
<span>y = -14 and 14</span>
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Lesechka [4]
The formula for axis of symmetry is -b/2a.

For f(x):
0/2(4)
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For g(x)
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Final answer: h(x), f(x), g(x)
7 0
3 years ago
you take a group of 20 people going to the movies. kids’ tickets cost $4 each, and adults tickets $6 each. your total cost is $9
brilliants [131]

The number of kids in your group is 12.

Step-by-step explanation:

Given,

Number of people = 20

Cost of each kid ticket = $4

Cost of each adult ticket = $6

Total spent = $96

Let,

x be the number of kids ticket

y be the number of adult ticket

According to given statement;

x+y=20     Eqn 1

4x+6y=96    Eqn 2

Multiplying Eqn 1 by 4

4(x+y=20)\\4x+4y=80\ \ \ Eqn\ 3

Subtracting Eqn 3 from Eqn 2

(4x+6y)-(4x+4y)=96-80\\4x+6y-4x-4y=16\\2y=16

Dividing both sides by 2

\frac{2y}{2}=\frac{16}{2}\\y=8

Putting y=8 in Eqn 1

x+8=20\\x=20-8\\x=12

The number of kids in your group is 12.

Keywords: linear equation, elimination method

Learn more about elimination method at:

  • brainly.com/question/8907574
  • brainly.com/question/8790374

#LearnwithBrainly

5 0
3 years ago
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