Answer:
Step-by-step explanation:
We know that at a price of $ 150, 5 televisions are sold and at a price of $ 100, 10 televisions are sold.
We must write a linear equation for this situation.
The equation of the line will have the following form
Where m is the slope of the line and b is the intercept with the p axis
The equation is:
Now we know that the revenue m is the product of the price p for the quantity sold x.
For this case we have the following equation:
(3x + 4) ^ 2-36 = 15x + 20
We can rewrite the equation:
(3x + 4) ^ 2-36 = 5 (3x + 4)
Now we define the following variable:
p = 3x + 4
Substituting the variable in the equation we have:
p ^ 2-36 = 5p
Rewriting:
p ^ 2 - 5p - 36 = 0
Answer:
An equation that is equivalent in terms of p is:
p ^ 2 - 5p - 36 = 0
2.95x5=14.75 7% of 14.75=1.0325 14.75+1.0325=15.7825 or just $15.78
Answer:
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For this case we must factor the following expression:
To factor, we must find two numbers that when added together give -7 and when multiplied by -10.
It is observed that there are not two whole numbers that comply with the aforementioned.
Thus, the following equation applies:
Where:
We replace:
So, the roots are:
Answer:
