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leva [86]
3 years ago
12

A.10D Simplify the expression (x - 3)2

Mathematics
2 answers:
gulaghasi [49]3 years ago
3 0

Answer:

2x - 6

Step-by-step explanation:

(x-3)2

2( x ) = 2x

2( - 3 ) = - 6

2x - 6

Softa [21]3 years ago
3 0

\implies {\blue {\boxed {\boxed {\purple {\sf { \: 2x - 6}}}}}}

\sf \bf {\boxed {\mathbb {Step-by-step\:explanation:}}}

➺\:(x - 3)2

➺\: 2x - 6

<h3><u>Note</u>:-</h3>

\sf\red{PEMDAS\: rule.}

P = Parentheses

E = Exponents

M = Multiplication

D = Division

A = Addition

S = Subtraction

\bold{ \green{ \star{ \orange{Mystique35}}}}⋆

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Answer:

0% probability of getting a mean temperature of 98.2 degrees F or lower.

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a random variable X, with mean \mu and standard deviation \sigma, a large sample size can be approximated to a normal distribution with mean \mu and standard deviation \frac{\sigma}{\sqrt{n}}.

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Z = \frac{X - \mu}{\sigma}

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In this problem, we have that:

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This is the pvalue of Z when X = 98.2. So

Z = \frac{X - \mu}{s}

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So there is a 0% probability of getting a mean temperature of 98.2 degrees F or lower.

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