Answers:
☆☆☆☆☆☆☆☆aTriangle ZYX
bTriangle YZX
cTriangle XZY
dTriangle XYZ
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Answer:
a) 6
b) 4.5
Step-by-step explanation:
6= 18/3 = x
4.5= 9/2 = x
Answer:
1-(0, 4)
2-(-4, 3)
3-(2, 0)
4-(0, -1)
Step-by-step explanation:
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Answer:
x=10
y=-10
Step-by-step explanation:
multiply first row by 7
14x−21y=350
7x+8y=−10
multiply second row by 2
14x−21y=350
14x+16y=−20
subtract the first row by the second row
−37y=370
solve for y
y=−10
substitute y=-10
14x−21×−10=350
solve for x
x=10
and thats your answer
x=10
y=-10
