2x+5y=21, x+y=3
y=3-x
2x+5y=21
2x+5(3-x) =21
2x+15-5x=21
2x-5x+15=21
-3x+15=21
-3x=21-15
-x=6/3
-x=2
x=-2
Answer:
Step-by-step explanation:
( 
, 
)
( 
, 
)
rate of change or slope m = 
= 
y = mx + b
"b" is y-intercept
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Answer:
<u>C</u> -1/2
Step-by-step explanation:
midpoint = sum of end points divide by 2.
here, midpoint = (-3+2)/2
=(-1/2)
I have worked it out the answer equals 2
<span>option A is correct for construction of perpendicular bisector of MN alison has to Place the point of the compass on point M and draw an arc, using a width for the opening of the compass that is equal to 1/2MN on both sides and then join arcs by straight line</span>
