Step-by-step explanation:
We need to say that is equivalent to what.
We know that, (3)² = 9
So,
We can write
And
So,
So, is equivalent to
.
Hence, this is the required solution.
Greg bought 4 notebooks for $6.40. What is the price, in dollars, of 1 notebook?
2 answers:
You might be interested in
Answer:
The Temperature in the afternoon was .
Step-by-step explanation:
Given:
Temperature in the morning =
Rise in temperature =
We need to find the temperature in the afternoon.
Solution:
Now we know that;
temperature in the afternoon is equal to Temperature in the morning plus Rise in temperature in afternoon.
framing in equation form we get;
temperature in the afternoon =
Hence the Temperature in the afternoon was .
Answer:
The problem does not work.
Step-by-step explanation:
The plane with speed of 31 mph will cover 640 miles in hours.
Now, it burns 5 gallons of gas every 3 minutes i.e. 0.05 hours.
So, it will burn in 20.64 hours gallons.
Now, the helicopter with speed of 45 mph will cover 640 miles in hours.
Now, it burns 7 gallons of gas every 5 minutes i.e. 0.083 hours.
So, it will burn in 14.22 hours gallons.
But both of them starts with only 80 gallons of fuel.
Therefore, the problem does not work. (Answer)