One unique triangle, because those angles add up to 180, and that's how many degrees there are in one triangle.
Answer from: Quest
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Answer from: Quest
replace with 27 and simplify.
10 , 27 , 10 , 70 , 10 , 35 , 10 , 48
step-by-step explanation:
Answer from: Quest
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
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50 will mark show all use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2x+9y= -26 -3x-7y=13
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