The temperature dropped 15 degrees in an hour. If the starting temperature was 10 degrees, what was the final temperature?
1 answer:
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Answer: y=0 and x=3
Step 1: Solve for x in 2x+9y=6.
(Subtract 9y from both sides)
( Divide both sides by 2)
Step 2: Replace x with 3-4.5y
Step 3: Solve for y
(By looking at this, we can determine that y=0)
Step 4: Replace y with 0
(Divide both sides 2)
Therefore, y=0 and x=3
Answer:
Brainliest!!!
Step-by-step explanation:
see picture
