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madam [21]
2 years ago
13

Solve the following system of equations by substitution 3 x + 0.5 y = 11 x + 2 y = 0

Mathematics
1 answer:
SVEN [57.7K]2 years ago
6 0

The solution to the system of equations using substitution is given by:

x = 4 and y = 2.

<h3>What is a system of equations?</h3>

A system of equations is when two or more variables are related, and equations are built to find the values of each variable.

For this problem, the equations are given by:

  • 3x + 0.5y = 11.
  • x + 2y = 0.

From the second equation, we have that:

x = -2y.

Replacing in the first equation, we have that:

3(-2y) + 0.5y = 11

-5.5y = 11.

5.5y = -11

y = -11/5.5

y = -2.

Then the solution for x is:

x = -2y = -2(-2) = 4.

The solution to the system of equations using substitution is given by:

x = 4 and y = 2.

More can be learned about a system of equations at brainly.com/question/24342899

#SPJ1

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Answer:

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Hope this helps

5 0
4 years ago
Keeley buys songs from a music website. She buys 15 songs for $22.50. What is the price per song?
Aliun [14]

Answer:

$1.50 per song

Step-by-step explanation:

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8 0
3 years ago
PLEASE HELP I NEED NOW PLEASE !!!!!!!
andre [41]
6-21 because math so ya
6 0
3 years ago
Wich is greater 42% or 0.44
kakasveta [241]
Since percent means 'over 100', you can put 42 over 100: \frac{42}{100} = .42. Since .42 is less than .44, that means that .44 is your answer.
8 0
3 years ago
Read 2 more answers
Allan has a piece of string that is 5.4 meters in length. He needs some smaller pieces that are 0.6 meters in length. How many s
eduard
<h3>Option D</h3><h3>9 smaller pieces of string can be cut from Allan's string</h3>

<em><u>Solution:</u></em>

Given that,

Allan has a piece of string that is 5.4 meters in length

He needs some smaller pieces that are 0.6 meters in length

Therefore,

Total length of string = 5.4 meter

Length needed = 0.6 meter

Thus,

\text{ Number of pieces } = \frac{ \text{ Total length of string }}{ \text{ Length needed }}\\\\\text{ Number of pieces } = \frac{5.4}{0.6}\\\\\text{ Number of pieces } = 9

Thus, 9 smaller pieces of string can be cut from Allan's string

5 0
3 years ago
Read 2 more answers
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