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Evaluate:
when
First, add x's:
Now, plug in the value of x (3)
Multiply:`
(Answer)
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In an architecture class the students built a scale model of an office building. If the scale is 1 in. = 12 feet and the model i
2 answers:
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Answer:
Step-by-step explanation:
You have two methods to expand this binomial.
Method 1
If you have the expression:
You can write the expression it in the following way:
Then, apply the distributive property:
Simplify the expression:
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Method 2
For any expression of the form:
Its expanded form will be:
If
Answer:
The rate at which water leaking is gal/min.
Step-by-step explanation:
Given:
A large container holds 8 gallons of water.
After 56 minutes the container only has 1 gallon of water left.
Now, to find at what rate is the water leaking.
So, water leaked from the container = 8 gallons - 1 gallon = 7 gallons.
Time taken for leakage = 56 minutes.
<em>Now, to get the rate:</em>
The rate = gal/min.
Therefore, the rate at which water is leaking is gal/min.