Answer:
a = 9b
divide each side by 9
= b
Congruent Triangles ?
1 answer:
Check the picture below.
well, it's noteworthy to say that when dropping a perpendicular line from a right angle in a right triangleto the hypotenuse, we'd end up with 3 similar triangles, a Large a Medium and a Small one, all three similar.
3a)
is the Small similar to the Large one? well, let's notice, they both have a 90° angle and also they share the purple one, similar triangles by AA.
3b)
are the Medium and the Large one similar? well, let's notice, just like before, they both have a 90° and they also share the green one, similarity by AA.
3c)
are the Small and Medium similar?
if Large ~ Medium
and
Large ~ Small
then
Medium ~ Small.
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Answer:
a
b
Step-by-step explanation:
Considering question a
From the question we are told that
The mean is
The standard deviation is
The standard error of mean is mathematically represented as
=>
=>
Generally the probability that the mean volume of a random sample of 144 bottles is less than 12 oz is mathematically represented as
From the z table the area under the normal curve to the left corresponding to -0.3425 is
=>
Considering question a
From the question we are told that
The mean is
Generally the probability that the mean volume of a random sample of 144 bottles is less than 12 oz is mathematically represented as
From the z table the area under the normal curve to the left corresponding to -1.0274 is
=>