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3 years ago

Helpppppppppppppppppppppppppppppp

Mathematics

1 answer:

nordsb [41]3 years ago

8 0

Answer:

Step-by-step explanation:

take 32 and subtract from 180 degrees... then divide that by 2

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The circle above has a radius of 10 cm. What is the area of the circle? Use = 3.14.

irakobra [83]

The formula of the area of a circle is πr²

The radius is 10 so it would be:

10²π
=100π

Now using a calculator, it would be 314. Don't forget to use units. The answer is:

314 cm²

5 0

3 years ago

What is 1/3 + 1/2?.......

Virty [35]

Answer:

5/6

Step-by-step explanation:

1/3 + 1/2 = 5/6

3 0

4 years ago

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What is 0.823,1.823,0.732,0.832 greatest to least

motikmotik

Those numbers, in greatest to least order, are:

1.823, 0.832, 0.823, 0.732

<span>I hope this helped! Please take the time to rate, pick the Brainliest answer (not necessarily mine!), and thank me if you feel I helped with this question! Thank you, it helps me a lot. :)</span>

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3 years ago

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I need help please anyone??

lys-0071 [83]

Answer:

A. 26.23

Step-by-step explanation:

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3 years ago

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In an article in Marketing Science, Silk and Berndt investigate the output of advertising agencies. They describe ad agency outp

fredd [130]

Answer: (7.27%, 7.55%)

Step-by-step explanation:

As per given , we have

Sample size : n= 392

Sample mean : $\overline{x}=7.41\%$

$\sigma=1.43\%$

Critical two-tailed z-value for 95% confidence = $z_{\alpha/2}=1.96$

Required confidence interval would be :

$7.41\%\pm (1.96)\dfrac{1.43\%}{\sqrt{392}}\\\\=7.41\%\pm 0.14\%\\\\=(7.27\%, 7.55\%)$

Hence, the required 95% confidence interval for the mean percentage share of billing volume from network television for the population of all U.S. advertising agencies : (7.27%, 7.55%)

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4 years ago