Answer:x=1 and y=-2
Step-by-step explanation:
To solve
3/x+8/y=-1
1/x-2/y=2
Solve simultaneously
We get
3/x+8/y=-1
3/x-6/y=6
-7y=14
y=-2
To get x
Substitute for y in equation one
3/x+8/-2=-1
We have
3/x-4=-1
3/x=-1+4
3/x=3
x=1
The figure is a trapezoid.
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The answer is 81 blue cars and
54 red ones
Answer:
1
Step-by-step explanation:
Starting from the y-intercept of [0, 1], you do <em>rise\</em><em>run</em><em> </em>by either moving one block <em>south</em><em> </em>over one block <em>west</em><em> </em>or one block <em>north</em><em> </em>over one block <em>east</em><em>.</em><em> </em>Either way, you will still get a <em>rate</em><em> </em><em>of change</em><em> </em>[<em>slope</em>] of 1.
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