A scientist is measuring the temperature change and a chemical compound the temperature dropped 11 Fahrenheit per hour from the
2 answers:
Answer: 134°F
Step-by-step explanation:
Given : A scientist is measuring the temperature change and a chemical compound the temperature dropped 11° Fahrenheit per hour from the original temperature .
Let x be the original temperature.
Then , the compound temperature after t hours is given by :_
At t= 4 hours and x= 90°F, we have
Hence , the compounds original temperature = 134°F
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Answer:
She can paint <u>6 rooms</u>.
Step-by-step explanation:
Given:
Maya decided to paint some of the rooms in her hotel. She found out that a room required 3/2 cans of paint.
If Maya buys 9 cans of paint.
Now, to find the rooms she can paint.
So, we use unitary method to get the number of rooms:
If, cans of paint is needed to paint 1 room.
Then, 1 can of paint is needed to paint = room.
Thus, 9 cans of paint is needed to paint =
Therefore, she can paint 6 rooms.