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igor_vitrenko [27]

3 years ago

7

Find the GCF of the following literal terms. xxyyyzz and xxxxzzz

2 answers:

irga5000 [103]3 years ago

8 0

The GCF would be X because xxyyyzz ad xxxxzzz both share an X.

Tcecarenko [31]3 years ago

8 0

The answer is x^2z^2

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An automobile manufacturer has developed a new compact automobile. A random sample of 64 of the new automobiles showed that the

Firdavs [7]

Answer:

<em>The 95% confidence interval for the population mean mileage is </em>

(27.917, 29.593)

The 98% confidence interval for the population mean mileage

(27.737, 29.762)

Step-by-step explanation:

<u><em>Step(i):-</em></u>

<em>Given that the random sample size 'n' = 64</em>

<em>Given that the mean of sample x⁻ = 28.75miles</em>

<em>Given that the standard deviation of the sample (S) = 3.4 miles</em>

<em>Degrees of freedom = n-1 = 64-1 =63</em>

<em>t₀.₀₅ = 1.9983</em>

<u>Step(ii):-</u>

<em>95% confidence interval for the population mean mileage is determined by</em>

<em /> $(x^{-} - t_{0.05} \frac{S}{\sqrt{n} } , x^{-} + t_{0.05} \frac{S}{\sqrt{n} })$ <em />

$(28.75-1.99\frac{3.4}{\sqrt{64} },28.75 + 1.99 \frac{3.4}{\sqrt{64} } )$

(28.75 - 0.845 , 28.75 + 0.845)

(27.917 , 29.593)

<u><em>Step(iii</em></u>):-

<em>98% confidence interval for the population mean mileage is determined by</em>

<em /> $(x^{-} - t_{0.02} \frac{S}{\sqrt{n} } , x^{-} + t_{0.02} \frac{S}{\sqrt{n} })$ <em />

$(28.75-2.3824\frac{3.4}{\sqrt{64} },28.75 + 2.3824 \frac{3.4}{\sqrt{64} } )$

(28.75 - 1.01252 , 28.75 + 1.01252)

(27.737 , 29.762)

<u><em>Final answer:-</em></u>

<em>98% confidence interval for the population mean mileage is </em>

(27.737 , 29.762)

<u><em /></u>

<em />

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Is 7.7777777777 an irrational number

andrezito [222]

This is a repeating number so i believe its rational

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Morgarella [4.7K]

$\implies {\blue {\boxed {\boxed {\purple {\sf {c) \:1}}}}}}$

$\large\mathfrak{{\pmb{\underline{\orange{Step-by-step\:explanation}}{\orange{:}}}}}$

$= \frac{1}{9} \times 9\\$

$= \frac{9}{9} \\$

$= \frac{1}{1} \\$

$= 1\\$

$\red{\large\qquad \qquad \underline{ \pmb{{ \mathbb{ \maltese \: \: Mystique35ヅ}}}}}$

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Nezavi [6.7K]

Answer:

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Step-by-step explanation:

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