Answer:
y = 8/5x
Step-by-step explanation:
−3x + 7y = 5x +2y
+3x +3x
7y = 8x + 2y
-2y -2y
5y = 8x
/5 /5
y = 8/5x
*View attached graph for ordered pairs*
Hope this helps!
Hey can someone help me out thank! :D ITS DUE TODAY!!! :p
2 answers:
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When n = 4,
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When n = 4
Using proportions, it is found that:
- Peter is walking at a rate of 3 km/h.
- MJ is biking at a rate of 9 km/h.
---------------------------
- Peter is walking at a rate of x km/h.
- MJ is biking 6 km/h faster than Peter, thus 6 + x km/h.
- Opposite directions, thus, their distance increases at a rate of (6 + 2x) km each hour, as
.
6 + 2x km each hour, 18 km after 1.5 hours, thus, the rule of three is:
1h - (6 + 2x) km
1.5h - 18 km
Applying cross multiplication:
Then:
- Peter is walking at a rate of 3 km/h.
- MJ is biking at a rate of 9 km/h.
A similar problem is given at brainly.com/question/24112433