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Licemer1 [7]
3 years ago
12

Need quick help with this math best answer gets brainliest

Mathematics
1 answer:
frosja888 [35]3 years ago
6 0

\frac{1}{2} x+6(x+15)=12\\\\\frac{1}{2} x+6x+90=12\\\\6\frac{1}{2} x+90=12\\6\frac{1}{2} x=-78\\x=-12

y=x+15\\y=-12+15\\y=3

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How do you use the metric system?
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Answer:


The metric system uses units such as meter, liter, and gram to measure length, liquid volume, and mass, just as the U.S. customary system uses feet, quarts, and ounces to measure these.


8 0
3 years ago
Please i need some help on this question
Pachacha [2.7K]

Answer:

1) For 3 tickets, the cost is $12

2) For 5 tickets, the cost is $20

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Step-by-step explanation:

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8 = 2

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Cross multiply,

2x = 8 x 3

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Use the same principle for the other questions. Use X (or any other variable) to represent the missing value, I e. the value you are calculating.

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7 0
2 years ago
The discount price of a hat is $18. What is the regular price?
Mumz [18]

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6 0
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7 0
3 years ago
The volume of a prism is 378CM2 one of the faces are 27cm 2 the edge is x, x=?<br> mathswatch.
olga_2 [115]

The length of the prism is 14 cm if the volume of the prism is 378 cubic cm and face area is 27 square cm.

<h3>What is volume?</h3>

It is defined as a three-dimensional space enclosed by an object or thing.

The question is incomplete.

The complete question is in the picture please refer to the attached picture.

We know the volume of the prism can be calculated:

Volume = base area×length

378 = 27x

x = 378/27 = 14 cm

Thus, the length of the prism is 14 cm if the volume of the prism is 378 cubic cm and face area is 27 square cm.

Learn more about the volume here:

brainly.com/question/16788902

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2 years ago
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