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Vladimir79 [104]
3 years ago
13

Solve the system by using the elimination method.

Mathematics
1 answer:
Inessa05 [86]3 years ago
6 0

Answer:

(8, 4 )

Step-by-step explanation:

Given the 2 equations

5x - 5y = 20 → (1)

- 3x + 5y = - 4 → (2)

Add the 2 equations term by term to eliminate the y- term

2x + 0 = 16

2x = 16 ( divide both sides by 2 )

x = 8

Substitute x = 8 into either of the 2 equations and solve for y

Substituting into (2)

- 3(8) + 5y = - 4

- 24 + 5y = - 4 ( add 24 to both sides )

5y = 20 ( divide both sides by 5 )

y = 4

solution is (8, 4 )

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horsena [70]

Answer:

The answer is 6.

Step-by-step explanation:

First you need to distribute.

2m+10=22

Then you subtract 10 from both sides of the equation.

2m+10-10=22-10

Then you simplify.

2m=22

Next, you divide both sides of the equation by the same term.

2m/2=12/2

2m=12

Now you simply again.

Cancel terms that are in both the numerator and denominator.

Divide the numbers.

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Hope this helps!

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3 years ago
How many solutions does the nonlinear system of equations graphed below have?
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Answer:

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Step-by-step explanation:


7 0
3 years ago
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Dimas [21]

Answer:

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step by-step explanation:As in the other question, we can find the answer by doing a simple equation:

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5 0
3 years ago
PLZ HELP ASAP RADIANS AND ARC LENGTH
velikii [3]

<span>The arc length by definition is given by:</span>

<span> S = R * theta</span>

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<span> Substituting values we have:</span>

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<span> Rewriting we have:</span>

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<span> Answer:</span>

<span> The arc length is:</span>

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3 years ago
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abruzzese [7]
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