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Andrew [12]
3 years ago
10

pls I need help plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz

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Mathematics
1 answer:
vichka [17]3 years ago
3 0

Answer:

4 pairs.

Step-by-step explanation:

Shin guards-$8.58

7 pairs of socks-$4.29

Pays-$25.74

Let's express following equation:

$25.74=8.58+4.29x

x will be the pairs of socks.

25.74-8.58=4.29x

x= 17.16{}/ 4.29{}{}

x=4

SO she bought 4 pairs of socks.

Hope this helps :)

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The population of a small town is 39,668 and has been continuously declining at a 1.5% a year what will the population be in 13
anyanavicka [17]

Answer:  31, 932.74

Step-by-step explanation:

The population of the small town              =  39,668

Yearly rate of decline                                 = 1.5%

Therefore, to calculate 1.5% of 39,668       = 1.5  x 39,668

                                                                         ------------------

                                                                                  100

                                                                      =   595.02

So, the population is declining by 595.02 on yearly basis.

To ascertain what will the population would have declined to in the next 13 years,

We multiply ,                                                = 595.02 x 13

                                                                      =7,735.26

Now population in 13 years                         = 39,668 - 7,735.26

                                                                      = 31,932.74

                 

                                                                                 

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___ welcome____

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