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Oksanka [162]
2 years ago
15

Solve using elimination. –9x − 7y = –10 9x + 8y = 5

Mathematics
1 answer:
guapka [62]2 years ago
7 0

Answer:

x=4y

Step-by-step explanation:

mathpapa

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The volume of geyser 2 is 768000cm³. if 1000 cm³= 1 litre convert the volume of geyser 2 to liters​
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<h2>Volume</h2>

The volume of geyser 2 is 768000cm³. if 1000 cm³= 1 litre convert the volume of geyser 2 to liters

- To convert cm to liters divide the volume by 1000

  • \tt {768000cm^3}  \div 1000 =  \green{768  \: litres}

Therefore, 768000 cubic centimeters in liters is 768.

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4 0
2 years ago
Jalen inherited a collection of vintage comic books. An appraiser separated the comic
sladkih [1.3K]

Jalen has total 63 comic books.

Step-by-step explanation:

Given,

Total value of comic books = $3135

Let,

Number of $45 comic books = x

Number of $65 comic books = y

According to given statement;

45x+65y=3135     Eqn 1

x=y+33                  Eqn 2

Putting value of x from Eqn 2 in Eqn 1

45(y+33)+65y=3135\\45y+1485+65y=3135\\110y=3135-1485\\110y=1650\\

Dividing both sides by 110

\frac{110y}{110}=\frac{1650}{110}\\y=15

Putting y=15 in Eqn 2

x=15+33\\x=48

Total comic books = x+y

Total comic books = 48+15 = 63

Jalen has total 63 comic books.

Keywords: addition, elimination method

Learn more about elimination method at:

  • brainly.com/question/10879401
  • brainly.com/question/10940255

#LearnwithBrainly

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3 years ago
4x-2y=3<br> Solve for y<br> Please help right away!
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I do believe it is y=1/2+3
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If you ask the first 50 females who enter a restaurant to complete a survey about their experience, who is the sample?
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Answer:

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Step-by-step explanation:

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2 years ago
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