3 years ago

Mallorie has $5 in her wallet. If this is 10% of her monthly allowance, what is her monthly allowance

Mathematics

1 answer:

crimeas [40]3 years ago

5 0

Answer:ertytretyutrety

Step-by-step explanation:

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According Two data from the 2010 United States Census 83.7% of Americans lived in the metropolitan area suppose maria researcher

Murrr4er [49]

Answer:

Mean is 83.7%

And, the standard deviation is 0.033

Step-by-step explanation:

The computation of the mean and the standard deviation is as follows:

Let us assume the P be the sample proportion

Mean is 83.7%

And, the standard deviation is

$= \sqrt{\frac{p(1-p)}{n} } \\\\=\sqrt{\frac{0.837(1-0.837)}{125} }$

= 0.033

8 0

3 years ago

Simplify: (2^2 + 3^4)−^2

Lisa [10]

$\bf ~\hspace{7em}\textit{negative exponents} \\\\ a^{-n} \implies \cfrac{1}{a^n} ~\hspace{4.5em} a^n\implies \cfrac{1}{a^{-n}} ~\hspace{4.5em} \cfrac{a^n}{a^m}\implies a^na^{-m}\implies a^{n-m} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ (2^2+3^4)^{-2}\implies (4+81)^{-2}\implies 85^{-2}\implies \cfrac{1}{85^2}\implies \cfrac{1}{7225}$