Answer:
Yes, it is a very effective test, having almost a 100% detection rate you wouldn't need much to improve upon except testing multiple times.
Answer:
(-4,3)
Step-by-step explanation:
First make a straight line down from the dot named K. It will be -4.
Then make a straight line to the right from the dot. It will be 3.
Write this as an ordered pair.
(x,y)
x=-4
y=3
(-4,3)
Hope this helps!
If not, I am sorry.
Answer:
C.78 km
Step-by-step explanation:
They are covering the distance at a combined speed of:
30 + 20 = 50 km/h
Distance to be covered:
130 km
Time:
130/50
2.6 hours.
From A:
30 × 2.6
78 km