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Alex777 [14]
3 years ago
12

Which of these equations represents functions where x is the input and y is the output

Mathematics
2 answers:
kobusy [5.1K]3 years ago
5 0
B & C since y is equivalent to the operations on the other side, while there are no operations being performed unto y.
Gnom [1K]3 years ago
4 0
B,C,D Is the answer 

hope this helps

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A company that offers tubing trips down a river rents tubes for a person to use for $20 and “cooler” tubes to carry food and wat
aivan3 [116]

The group rent 11 river rent tubes and 4 cooler tubes.

Step-by-step explanation:

Rent for river rent tube = $20

Rent for cooler tubes = $12.50

Total spent = $270

Total tubes rented = 15

Let,

x be the number of river rent tube.

y be the number of cooler tubes.

According to given statement;

x+y=15    Eqn 1

20x+12.50y=270    Eqn 2

Multiplying Eqn 1 by 20

20(x+y=15)\\20x+20y=300\ \ \ Eqn\ 3

Subtracting Eqn 2 from Eqn 3

(20x+20y)-(20x+12.50y)=300-270\\20x+20y-20x-12.50y=30\\7.50y=30

Dividing both sides by 7.5

\frac{7.5y}{7.5}=\frac{30}{7.5}\\y=4

Putting y=4 in Eqn 1

x+4=15\\x=15-4\\x=11

The group rent 11 river rent tubes and 4 cooler tubes.

Keywords: linear equations, subtraction

Learn more about linear equations at:

  • brainly.com/question/8520610
  • brainly.com/question/846474

#LearnwithBrainly

6 0
3 years ago
Solve this quadratic equation using the quadratic formula.<br> 2x^2 - 2x = 0
lakkis [162]

Answer:

27

Step-by-step explanation:

The answer is x=27

6 0
3 years ago
Write equivalent expression for 7× + 4× + 3-1
Mazyrski [523]

Answer: you just flip it. It would be the opposite.

Step-by-step explanation:

When you flip it, what’s the difference? It’s still the same.

6 0
3 years ago
So i dont know what 9+4+x is can you help?
Dahasolnce [82]

Answer:

13+x

Step-by-step explanation:

all you have to do is 9+4 which is 13 and leave the +x so you get 13+x as your answer

3 0
4 years ago
Read 2 more answers
Geometry question 2, Thanks if you help!
wlad13 [49]
A. 113 because vertical angles are congruent.
8 0
3 years ago
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