Answer:
360 polygon
Step-by-step explanation:
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The temperature of the ice cream 2 hours after it was placed in the freezer is 37.40 °C
From Newton's law of cooling, we have that
Where
From the question,
∴
Therefore, the equation becomes
Also, from the question
After 1 hour, the temperature of the ice-cream base has decreased to 58°C.
That is,
At time ,
Then, we can write that
Then, we get
Now, solve for
First collect like terms
Then,
Now, take the natural log of both sides
This is the value of the constant
Now, for the temperature of the ice cream 2 hours after it was placed in the freezer, that is, at
From
Then
Hence, the temperature of the ice cream 2 hours after it was placed in the freezer is 37.40 °C
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Answer:
Step-by-step explanation:
We are required to reduce the expression below to its simplest form
<u>STEP 1: </u>Remove the brackets
Take note that the product of same sign(- and -) will give you the addition sign.
<u>STEP 2:</u> Find the Lowest Common Multiple of 8 and 6
Lowest Common Multiple of 8 and 6 is 24
<u>STEP 3:</u> Use the LCM to Simplify
Therefore:
104 square yards
The formula for area of a rectangle is length times width.
A = length x width
A = 13 x 8
A = 104
Since the units on each side are yards, the area is in square yards.