Glven the system of equations, what is the solution? 3x - 2y + 10 = 0
5y = 4x + 8
Answers:
[(-34/7, 16/7)]
[(-34/7, -16/7)]
[(34/7.-16/7)]

Hi! The answer to your question is B. [()]

Step-by-step explanation:

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step-by-step explanation:

the ratio of red paint to blue paint is always 9/7. that means that, whatever x's value, (4x+12)/(4x-4) has that same ratio. so, set up an equation and cross-multiply to solve for x:

9/7 = (4x+12)/(4x-4)

9(4x-4) = 7(4x+12)

36x - 36 = 28x + 84

8x - 36 = 84

8x = 120

x = 15

answer is 270 degrees: -

to convert radians to degrees you multiply by 180/π

9π/ 6 * 180 / π

=   9 * 180 / 6

= 9 * 30

=   270 degrees   answer