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Nutka1998 [239]

3 years ago

7

If Tara spends $219 a month for her car payment and she makes $3,200 a month, what percent of her monthly income is spent on her

car payment? A. 8.6% B. 680% C. 6.8% D. .68%

2 answers:

suter [353]3 years ago

7 0

<span> D. .68%................</span>

eimsori [14]3 years ago

3 0

$219/$3200 x100% = 8.6%

The answer is C :)

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What is the area of the base. explain, please :)

Ber [7]

Answer:

4,200

Step-by-step explanation:

7 0

3 years ago

If A=,[2 5 7],find the value of <br> [1 4 9]<br> [8 3 6]<br>a23+a12-a32 matrix.

Mazyrski [523]

Answer:

<em><u>T</u></em><em><u>H</u></em><em><u>E</u></em><em><u> </u></em><em><u>C</u></em><em><u>O</u></em><em><u>R</u></em><em><u>R</u></em><em><u>E</u></em><em><u>C</u></em><em><u>T</u></em><em><u> </u></em><em><u>A</u></em><em><u>N</u></em><em><u>S</u></em><em><u>E</u></em><em><u>R</u></em><em><u> </u></em><em><u>O</u></em><em><u>F</u></em><em><u> </u></em><em><u>T</u></em><em><u>H</u></em><em><u>I</u></em><em><u>S</u></em><em><u> </u></em><em><u>Q</u></em><em><u>U</u></em><em><u>E</u></em><em><u>S</u></em><em><u>T</u></em><em><u>I</u></em><em><u>O</u></em><em><u>N</u></em><em><u> </u></em><em><u>I</u></em><em><u>S</u></em><em><u> </u></em><em><u>5</u></em><em><u>.</u></em>

Step-by-step explanation:

Here,

a23=6

a12=5

a32=6

Now,

a23+a12-a32

=6+5-6

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6 0

3 years ago

Bas_tet [7]

$5 > 4 \\ - 2 \leqslant 2(5) - 5 \\ - 2 \leqslant 5$
B is true for both inequalities.

7 0

3 years ago

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Suppose you are conducting a study to determine if women are better drivers than men. You send your survey to over 1000 students

julsineya [31]

Answer:

555.56

Step-by-step explanation:

Purpose of the study: To determine if women are better drivers than men.

Survey or Opinion population: 1,000

You are experimenting on 9 out of a thousand opinions.

5 of these opinions are that women are better drivers

4 of these opinions are that women are not better drivers

You want to know the <em>sample</em> (full sample size is 9) <em>proportion</em> for women as better drivers; using the large sample method. This method is also called the asymptotic method.

This involves approximating the desired statistic, with just a small fraction of the population; in this case, 9/1000.

This approximation will get more and more accurate as sample size increases and you know that a larger sample size gives a better representation and interpretation of the population preference!

So using ratio, the sample proportion for women as the better drivers is given by:

5/9 x 1000 = 555.56 opinions

8 0

3 years ago

A farmer wants to know which of two fertilizers will yield the most produce. He sets up twenty random plots of equal size on one

Elanso [62]

<h2>Answer:</h2>

A)

Mean for:

Sample Z -- 447.5

Sample Y-- 409.3

B)

Sample Y has larger deviation from the mean.

<h2>Step-by-step explanation:</h2>

Z Plots Y Plots

456 395

454 390

449 391

453 402

431 395

456 405

445 432

430 438

463 420

438 425

A)

For sample Z--

The mean is calculated by:

Ratio of sum of all the data points of Z-sample to the total number of points i.e. 10.

$Mean=\dfrac{456+454+449+453+431+456+445+430+463+438}{10}\\\\Mean=\dfrac{4475}{10}\\\\Mean=447.5$

Similarly for sample Y--

The mean is calculated as follows:

$Mean=\dfrac{395+390+391+402+395+405+432+438+420+425}{10}\\\\\\Mean=\dfrac{4093}{10}\\\\Mean=409.3$

B)

As we could see that the data Y has a greater spread from the mean as compared to the sample Z.

As all the points in the sample Z are close to the mean and have less spread.

The standard deviation is most commonly used to measure the spread of the data.

Standard deviation of sample Z is: 10.651

Standard deviation of sample Y is: 16.9944

Hence Sample Y have larger deviation from the mean.

6 0

3 years ago

Read 2 more answers