3 years ago

Fill in the blanks

Mathematics

1 answer:

fredd [130]3 years ago

6 0

Answer:

A)common difference and Arithmetic progression.

B)common ratio and geometric progression

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The diameter of a circle is 9 ft. Find its area to the nearest tenth.

Drupady [299]

Step-by-step explanation:

D=9

A=pie*radius^2

=3.14*9/2*9/2

=63.58

=64

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3 years ago

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Find the margin of error for a 90% confidence interval when the standard deviation is LaTeX: \sigma= 50????=50 and LaTeX: n = 25

Murrr4er [49]

Answer:

The margin of error for a 90% confidence interval is 16.4

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 25

Standard deviation = 50

$z_{critical}\text{ at}~\alpha_{0.10} = \pm 1.64$

Margin of error =

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Putting the values, we get,

$1.64\times \dfrac{50}{\sqrt{25}} = 16.4$

Thus, the margin of error for a 90% confidence interval is 16.4

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4 years ago

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o-na [289]

Answer:

300 cubic meters

Step-by-step explanation:

Volume of a Rectangular pyramid:

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I need to find x in these two problems in the picture.

forsale [732]

Answer:

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Step-by-step explanation:

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Svet_ta [14]

the answer isexistence

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