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1 answer:
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Given:
A figure of a circle. A secant and tangent of the given circle.
To find:
The correct equation.
Solution:
According the intersecting tangent secant theorem, the square of tangent is equal to the property of external segment of secant and the measure of the secant.
Using intersecting tangent secant theorem, we get
It can be written as
The required equation is .
Therefore, the correct option is B.
Answer:
$3.49
Step-by-step explanation:
-The z value is calculated by the formula:
Where are the mean and standard deviation respectively and
is the price of the random selection.
#We substitute and solve for :
Hence, the mean price of a box of cereal is $3.49