2 years ago

Factor 15x + 35 using the GCF.

Mathematics

1 answer:

Sophie [7]2 years ago

8 0

Answer:

Step-by-step explanation:

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Refer to your answer to the previous question: A digital media company uses the function f(p), where p is the number of people w

Lyrx [107]

Answer:

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Step-by-step explanation:

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A number is increased by 35%.<br><br> The result is 324

Natali5045456 [20]

Answer:

x = 323.65

Step-by-step explanation:

A number can be represented through x.

x + 35% = 324

35% means 0.35

x + 0.35 = 324

- 0.35 - 0.35

x = 323.65

hope this helps!

4 0

2 years ago

A random sample of 70 printers discovered that 25 of them were being used in small businesses. find the 95% limit for the popula

kvasek [131]

Answer:

The sample proportion of printers used in small business is:

$\hat{p}=\frac{25}{70}=0.3571$

The 95% confidence interval for the population proportion of printers that are used in small businesses is:

$\hat{p} \pm z_{\frac{0.05}{2}} \sqrt{\frac{\hat{p}(1-\hat{p})}{n} }$

Where:

$z_{\frac{0.05}{2}}=1.96$ is the critical value at 0.05 significance level

$\therefore 0.3571 \pm 1.96 \sqrt{\frac{0.3571(1-0.3571)}{70} }$

$0.3571 \pm 0.1122$

$\left ( 0.3571 - 0.1122, 0.3571 + 0.1122 \right)$

$\left(0.245,0.469 \right)$

Therefore, the 95% confidence interval for the population proportion of printers that are used in small businesses is (0.245 , 0.469)

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3 years ago