Answer:
A rate of change can be positive or negative.
Step-by-step explanation:
3x - 14 = x + 2
- x - x
2x - 14 = 2
+ 14 + 14
2x = 16
2 2
x = 8
4y - 7 = y + 11
- y - y
3y - 7 = 11
+ 7 + 7
3x = 18
3 3
x = 6
(x, y) = (8, 6)
The answer is D.
Answer:
I will say 90 degrees right angle. Have a great day.
Step-by-step explanation:
Answer:
35x+72y
Step-by-step explanation:
9514 1404 393
Answer:
D. 61 mi/h
Step-by-step explanation:
The travel time is 16:52 -8:13 = 8:39 hours, or 8.65 hours. Then the speed is ...
speed = distance/time = 527.65 mi/(8.65 h) = 61 mi/h
_____
<em>Additional comment</em>
It is often convenient to use "military" or "24-hour" time for calculations of time periods that extend over noon or midnight. For this purpose, 12 gets added to the hour number in the afternoon (pm). Of course, 39 minutes is 39/60 hours. That is found to be 0.65 hours by performing the division of 39 by 60.
