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Its cross-multiplication. 20.25 times 1 divided by 3 3/4 = 5.4 -(answer)
IK its an obtuse angleeee if that helps
x^2-12x+(6)^2 is correct answer
Answer:
x=1 y=-5
Step-by-step explanation:
7(5x-2y=15) ---> 35x-14y=105
2(7x+7y=-28) --> + <u>14x+14y=-56</u>
49x=49 --->x=1
5(1)-2y=15 ---> 5-2y=15 ---> -2y=10 ---> y=-5
