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Belinda walks 10 minutes on the first day and plans to increase the number of minutes by 2 minutes each day.How many will Belinda walks after a week​

Belinda walks 10 minutes on the first day and plans to increase the number of minutes by 2 minutes each day How many will Belinda

Answer :

Final answer:

Belinda will walk a total of 112 minutes in one week, given she begins with 10 minutes on the first day, increasing her time by 2 minutes each subsequent day.

Explanation:

This problem can be solved using the formula for the sum of an arithmetic series. An arithmetic series is a sequence of numbers where the difference between any two successive numbers is constant. In this case, Belinda starts with 10 minutes and increases the walking time by 2 minutes each day for a week.

The formula to find the sum of an arithmetic series is: S = n/2 [2a + (n-1)d], where n is the number of terms (7 days here), a is the first term (10 minutes here), and d is the difference (2 minutes here).

By substituting these values in, we get: S = 7/2 [2(10) +(7-1)2] = 7/2 [20 +12] = 7/2 * 32 = 112 minutes.

So, Belinda will walk 112 minutes in total after a week.

Learn more about Arithmetic series here:

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Rewritten by : Barada

Answer:

24 minutes

Step-by-step explanation:

This can be explained with the equation y=2x+10 (I chose 2 arbritrary variables, any are acceptable). A week is equivalent to 7 days so x=10. Plug this into the equation and you end up with 24, because 2(7)+10=24