I really need help with this question. I would also like explanation along with a answer also.
1 answer:
You will arrive at the destination at 12.30 PM. Yes, there is information that is not needed in the question.
Explanation:
- You leave at 8.00 AM and drive for 2 hours until 10.00 AM.
- At 10.00 AM you stop for
an hour (30 minutes) for lunch until 10.30 AM.
- You drive for another hour until 11.30 AM.
- At 11.30 AM you make a 15 minute stop for gas until 11.45 AM.
- After 11.45 P.M, you then drive the last 45 minutes until 12.30 PM and reach your destination.
- It takes you 30 minutes to pack your car but this information is not needed to determine when you will arrive at your destination.
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Answer:
The value of x for equation is 3.4
The value of y for equation is 5.2
Step-by-step explanation:
Given as :
The two linear equation are
2 x + y = 12 ........A
4 x - 3 y = 2 .........B
Now, Solving both equations , we get
3 × ( 2 x + y ) + (4 x - 3 y) = 3 × 12 - 2
Or, 6 x + 3 y + 4 x - 3 y = 36 - 2
Or, (6 x + 4 x) + (3 y - 3 y) = 34
Or, 10 x + 0 = 34
∴ x =
i.e x = 3.4
So, The value of x for equation , x = 3.4
Put the value of x into eq A
∵ 2 x + y = 12
Or, y = 12 - 2 x
Or, y = 12 - 2 × 3.4
Or, y = 12 - 6.8
∴ y = 5.2
So, The value of y for equation , y = 5.2
Hence, The value of x for equation is 3.4 and The value of y for equation is 5.2 Answer