Answer:
-8
Step-by-step explanation:
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Hello this should be your graph here
Answer:
y = ½x + 10
Step-by-step explanation:
Perpendicular lines have OPPOSITE MULTIPLICATIVE INVERSE <em>Rate</em><em> </em><em>of</em><em> </em><em>Changes</em><em> </em>[<em>Slopes</em>], so you need to have a slope of ½, like in the work shown below:
9 = ½[-2] + b
-1
10 = b
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Answer:
By using pythagoras theorem the problem can be solved;
(hypotenuse)^2=(pythagoras)^2+(base)^2
h^2=(20 mi)^2+(40 mi)^2
h^2=(400+1600) mi^2
h^2=2000 mi^2
h=√2000 mi^2
h=20√5 mi