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3 years ago

10

Given the area , find the radius of each circle.Use

i" align="absmiddle" class="latex-formula"> = 3.14
A=113.04
A=28.26

Show your work I would appreciate it

1 answer:

lubasha [3.4K]3 years ago

5 0

Answer:

1. 2508.96

2. 40123.050624

Step-by-step explanation:

28.26 x 28.26 x 3.14 = 2508.96

113.04 x 113.04 x 3.14 = 40123.050624

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Step-by-step explanation:

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3 years ago

An ANOVA procedure is used for data that were obtained from four sample groups each comprised of five observations. The degrees

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Answer:

(3,16)

Step-by-step explanation:

The degrees of freedom of the critical value F are (k-1,n-k).

We are given that there are four sample group, so,

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Also, we are given that the each four groups contains five observations, so,

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4 years ago

Mr. Moretti is making welcome bags to give to the 18 students in his homeroom on the first day of school he puts m mechanical pe

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According to the given scenario, the computation of the total number of pencils is as follows:

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also he put twice of the regular pencil

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3 years ago

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3 years ago

Find the indicated sum of each sequence S8 of -2,-13,-24,-35

valentina_108 [34]

Answer:

The sum of the arithmetic sequence is $S_{8}=-324$ .

Step-by-step explanation:

A sequence is a set of numbers that are in order.

In an arithmetic sequence the difference between one term and the next is a constant. In other words, we just add the same value each time infinitely.

If the first term of an arithmetic sequence is $a_1$ and the common difference is d, then the nth term of the sequence is given by:

$a_{n}=a_{1}+(n-1)d$

For the sequence

$-2,-13,-24,-35,...$

The pattern is continued by adding -11 to the last number each time.

An arithmetic series is the sum of an arithmetic sequence. We find the sum by adding the first, $a_1$ and last term, $a_n$ , divide by 2 in order to get the mean of the two values and then multiply by the number of values, <em>n</em>

<em> </em> $S_{n}=\frac{n}{2}(a_{1}+a_{n})$ <em />

The sum of the arithmetic sequence is

$a_{8}=-2+(8-1)(-11)=-2-77=-79$

$S_{8}=\frac{8}{2}(-2-79})=4\left(-2-79\right)=4\left(-81\right)=-324$

3 0

4 years ago