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1.7 as a fraction is 17/10
1.(7) the 7 in the parentheses represents the number after the decimal, which is in the tenths spot. 10 tenths + 7 tenths = 17/10 <-- our answer.
If you need it rounded, it would be 2 then 20 then 76.1. If you just need the base numbers, it would be 1 then 19 then 76.7
A) AB is where plane P and plane R intersect.
B) A, D, B are collinear (on the same line).
C) plane ADG (three points on the plane)
D) F, D, G, A are all on plane R
E) D lies on both planes.
Part A :
So the two sides are equivalent,

Solve for x and get 3.
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Answer : x = 3
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Part B :
To find JM, simply substitute x for 3 and solve,


~^
Answer : JM = 9
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I hope that helps you out!!
Any more questions, please feel free to ask me and I will gladly help you out!!
~Zoey