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erastova [34]
3 years ago
6

Solve using the substitution method 2x+3y=1 and y=x-8

Mathematics
2 answers:
Ronch [10]3 years ago
6 0
(5, -3) IS THE ANSWER. 
Licemer1 [7]3 years ago
6 0
X=5
y=-3
thats what i got:) 
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Express the following in p/q form, where p and q are integers and q is not equal to 0.
Wewaii [24]
(I)1.272727... = 14/11
(II)0.1282828...= 127/990

(The solution is in the picture
NB : the two points on the two numbers in the solution means those two numbers are recurring or repeating )

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2 years ago
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Vaselesa [24]
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-6 because it’s below street level.
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3 years ago
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2 years ago
What are the solutions to the quadratic equation -2x^2 + 6x + 3 = 0?
mario62 [17]

For this, we will be using the quadratic formula, which is x=\frac{-b+/-\sqrt{b^2-4ac}}{2a}, with a=x^2 coefficient, b=x coefficient, and c = constant. Our equation will look like this: x=\frac{-6+/-\sqrt{6^2-4*(-2)*3}}{2*(-2)}


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Next, do the addition: x=\frac{-6+/-\sqrt{60}}{-4}


Next, your equation will be split into two: x=\frac{-6+\sqrt{60}}{-4},\frac{-6-\sqrt{60}}{-4} . Solve them separately, and your answer will be x=-0.436,3.436

5 0
3 years ago
Is (1, 3) a solution to this system of equations?
andrezito [222]

Answer:

no

because it doesn't work with the first equation

5 0
2 years ago
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