Enter the value for x that makes an equation 16= -4(x-1) +4 true
1 answer:
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Answer: 1 hour
Step-by-step explanation:
Let the distance they walked be in time
and the distance they walked be
in time
,then
Walking speed=
Riding speed=
Also the total time taken=3 hours
∴...(1)
Since the total distance= 20 km
∴
Thus, the they spent 1 hour time in walking.
Answer: The distance is sqrt(40).
Step-by-step explanation:
Let's use the Pythagorean Theorem (a^2 + b^2 = c^2)
(Look at the image I attached)
Let's set a = 2 and b = 6. The mystery side is c, which is opposite to the right angle that is formed when you draw perpendicular lines from each of the points.
(2)^2 + (6)^2 = c^2 <--- First, we need to simplify
4 + 36 = c^2
40 = c^2 <--- Now, we need to take the square root of both sides.
c = sqrt(40)
So, the distance between (5, -4) and (-1, -2) is sqrt(40). I recommend looking at some videos on Khan Academy if you need more help! Let me know if you want me to attach a link that you can visit.
