A house costs $600 more than twelve times the lot on which it was built. If the lot cost x dollars, what did the house cost? Whi
2 answers:
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For this case we have that the cost of each pizza is given by the following function:
Where:
r: It's the radius of the pizza
IF a pizza cost $26.32 we have:
We cleared the radius, using :
We choose the positive value:
So, the radius of the pizza is
Then, the diameter is:
Finally, the diameter of the pizza is:
Answer:
Option B
Explanation:
Since we have given that
The prices of three t-shirts styles i.e $24, $30, $36 with their probability is given by
As we know that,
Now,
and
So,
So, the expected value of a t-shirt = $31.