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azamat
3 years ago
11

WRITE THE equation THAT correctly represents the statement: 'After spending four- fifth of a certain amount of money, the money

left is twenty-five more than three-tenth of the initial amount'???
Mathematics
1 answer:
Arte-miy333 [17]3 years ago
4 0

Answer:

\frac{4}{5} x = 25 +  \frac{3}{10} x

Step-by-step explanation:

four-fifth means 4/5 .

we let the amount of the money to be x.

so four-fifth of money =4/5 of x.

twenty Five more than three tenth of the initial amount means 25+3/4 of x.

the equation becomes

\frac{4}{5} x = 25 +  \frac{3}{10} x

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Step-by-step explanation:

The calculation of the value of the linear correlation coefficient R is shown below:-

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9                      85

2                       52

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5                       86

9                       83

10                     73

Value of linear correlation coefficient R is 0.70772136

or

= 0.708

For clarification look at the spreadsheet which has been attached and uses the following steps which are as follows

Step 1

To activate the data analysis option:- Go to file menu click on add-in option and choose the manage option and select Excel Add-in option click on Ok after that choose Analysis Tool Pak

Step 2

After following step 1 choose data tab and select data analysis tab and select correlation and click ok

Step 3

After selecting correlation to select the range from $A$2:$B$9 and then click OK to reach the value of linear correlation coefficient R.

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