We can say that lines A and D are <em>perpendicular</em>.
Answer:
70/(10-3)+1=11
Step-by-step explanation:
simplify
70/(7)+1=11
10+1=11
11=11
9600
y varies inversely with the square of x
y=k/(x^2)
for some non-zero constant k
y=6 when x=4
6=k/(4^2)
k=96
y=96/(x^2)
x=0.1
y=96/(0.1^2)
y=9600
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Answer
x=45
Explanation
2x + 45 + x = 180
3x + 45 = 180
-45 -45
3x = 135
/3 /3
Answer: 18,20
