Evaluate (8 x 10-3) +0.45 – (7 X 10-2). Write your answer in scientific notation.
1 answer:
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Answer:
8.5
Step-by-step explanation:
slope of the line that contains KL
(y2 - y1)/(x2-x1)
(0-1)/(7-3)
m = -1/4
slope of the line that contains JK
(5-1)/(4-3)
m = 4
the linea are perpendicular so triangle is right
area = (leg1 x leg2)/2
KL =
KJ =
area = (√17)^2/2 = 17/2 = 8.5