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cluponka [151]
2 years ago
8

Plz help me ( no link plz) if you answer right i will make brainly and 15 points

Mathematics
1 answer:
lukranit [14]2 years ago
3 0

Answer:

7.5

Step-by-step explanation:

let x be the ticket and y the popcorn

x+y=15

x+3y=30

solve for x and y using simultaneous equations

x=7.5

y=7.5

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3 years ago
4. What’s the answer to this question please
dusya [7]

Answer:

The answer is D

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Step-by-step explanation:

We want to reduce as many variable as we can so, we can obtain the value for the remaining variables.

Therefore, the first equation y=x+5 multiply it -2., you have -2y=-2x-10 and sum it to the second (2y-x=13), you will obtain the following: -x=13-2x-10.

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4 0
3 years ago
What is (10^9)^3 written as a single exponent
fenix001 [56]

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Step-by-step explanation:

Your calculator can help with this.

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__

The applicable rule of exponents is ...

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5 0
2 years ago
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BlackZzzverrR [31]

Answer:

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Step-by-step explanation:

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