Note that
10² = 100
0.08² = 0.0064
and
101.6064 = 100 + 1.6 + 0.0064
It also happens that
1.6 = 2 • 10 • 0.08
which means
101.6064 = 100 + 1.6 + 0.0064
101.6064 = 10² + 2 • 10 • 0.08 + 0.08²
101.6064 = (10 + 0.08)²
101.6064 = 10.08²
which means
√101.6064 = 10.08
which, to one decimal place, is approximately 10.1.
Answer:
Pythagoras theorem. 20^2 times 18^2 = distance^2
4x^2-9=4(x^2-9/4)=4(x-3/2)(x+3/2) i think that is correct answer.
Since you didn't answer i think JL is x+26
JK=x+26-x-22=4
KM=19
JM=4+19=23
