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QveST [7]
3 years ago
14

Use substitution to solve the systems of equations. y=x+1.75 4x-2y=4

Mathematics
2 answers:
jolli1 [7]3 years ago
6 0
Since y already equals something, x + 1.75, we can put its equivalent x + 1.75 in its place in the other equation. 
See the image for the rest of the solution steps.

Evgesh-ka [11]3 years ago
4 0

Answer:

(3.75,5.5)

Step-by-step explanation:

I know because i got a 100% on the i-ready quiz

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Select all of the following statements that are true:
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B. You shouldnt take a random sample of more than 5% of the population size.

Step-by-step explanation:

B. You shouldnt take a random sample of more than 5% of the population size. This is True, so as to avoid the research analysis to be more complex to interpret and analyzed

However, the following are not true statements:

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What comes after a million, billion and trillion?
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The areas of three circles are shown.
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Solving Linear Equat<br> Solve the linear equation:<br> 3.4 + 2(9.7 – 4.8x) = 61.2
JulijaS [17]

Answer:

Step-by-step explanation:

Simplifying

3.4 + 2(9.7 + -4.8x) = 61.2

3.4 + (9.7 * 2 + -4.8x * 2) = 61.2

3.4 + (19.4 + -9.6x) = 61.2

Combine like terms: 3.4 + 19.4 = 22.8

22.8 + -9.6x = 61.2

Solving

22.8 + -9.6x = 61.2

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-22.8' to each side of the equation.

22.8 + -22.8 + -9.6x = 61.2 + -22.8

Combine like terms: 22.8 + -22.8 = 0.0

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Simplifying

x = -4

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