Answer: This does not represent an SRS because each group of patients chosen does not have an equally likely chance of being chosen.
Answer:
x=142, y=-360. (142, -360).
Step-by-step explanation:
5x+2y=-10
3x+y=66
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5x+2y=-10
-2(3x+y)=-2*66
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5x+2y=-10
-6x-2y=-132
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-x=-142
x=142
3(142)+y=66
426+y=66
y=66-426
y=-360
Answer:
Your answer would be A
The site Math-way is a good tool for this
he has 0.6 km left to go, because if you take 1.7 - 0.9 it equals 0.6.
D and B!! Hope this helped