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Alex17521 [72]
2 years ago
14

I need help with this question.

Mathematics
1 answer:
pashok25 [27]2 years ago
6 0

Answer:

B. 9/91

Step-by-step explanation:

-81/9 = -2

9/81 = 1/9

√9 = 3

√81 = 9

B is the odd one out; it's a fraction.

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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
the diagonal of a rectangular picture frame is 12 inches and it's length is 9 inches what is the width of the picture frame ?
sladkih [1.3K]
I think it would be 5

4 0
3 years ago
Find f(-5) if f(x) = |x+1|​
lions [1.4K]

Answer:

4

Step-by-step explanation:

just put -5 to x

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3 0
3 years ago
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lorasvet [3.4K]

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postive 12

Step-by-step explanation:

16-4=12


6 0
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Read 2 more answers
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2 years ago
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