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Digiron [165]
3 years ago
11

How many solutions does the system have? x + 4y = 6 2x + 8y = 12

Mathematics
2 answers:
natulia [17]3 years ago
7 0
Infinite.
Multiply the first equation by -2 to get rid of whatever variable. Lets say I wanted to get rid of the variable X to solve for Y. To do that, I'd need to make x, -2x. Now the equation is -2x -8y = -12. If you add the two equations together, you'd get 0 = 0, meaning there are infinite solutions.
Katarina [22]3 years ago
5 0

Answer:

none :)

Step-by-step explanation:

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X intercept- ((-1/3),0)
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3 years ago
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What is the simplified form of the expression <br> 5(14-2)^2/2 <br> Show your work
Lena [83]

Answer: 60

Step-by-step explanation:

5(14-2) x 2/2

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3 years ago
Does anyone know this answer???
dmitriy555 [2]
4/12 I haven’t done this in a while so I’m not so sure
6 0
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tatuchka [14]
Let n = the smaller of the two numbers, and since the other number is 5 more than twice the smaller number n, then ...

Let 2n + 5 = the second and larger number.

Since the sum of the two unknown numbers is 26, then we can write the following equation to be solved for n as follows:
n + (2n + 5) = 26

n + 2n + 5 = 26

Collecting like-terms on the left, we get:
3n + 5 = 26

3n + 5 - 5 = 26 - 5

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(3n)/3 = 21/3

(3/3)n = 21/3

(1)n = 7

n = 7

Therefore, ...
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CHECK:
n + (2n + 5) = 26
7 + (19) = 26
7 + 19 = 26
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Therefore, the two desired numbers whose sum is 26 are indeed 7 and 19.

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6 0
3 years ago
Is 4-16th equivalent to 0.25
Sonja [21]
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6 0
3 years ago
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