3 years ago

What does S in Math means?

Mathematics

1 answer:

12345 [234]3 years ago

7 0

Step-by-step explanation:

subtract

i think this

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See explanation

Step-by-step explanation:

Jacob has 75 cookies.

He gave 2 cookies to each student.

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$\begin{array}{cc}\text{Number of student arrived}&\text{Number of cookies left}\\1&75-2=73\\2&73-2=71\\3&71-2=69\\...&...\end{array}$

Let n be the number of students. After nth student arrived Jacob had left

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Thus,

$g_{n}=g_{n-1}-2\\ \\g(n)=g(n-1)-2$

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