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Arithmetic Questions and Answers (Q&A)

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59=2+3(n-1)

n=20

2 Answers

The arithmetic mean formula is also sometimes just called the mean. One can arrive at the solution to this formula by adding together all the number in a set and dividing them by the number of items in the set. Essentially one can also look at the mean of a set of numbers as the average of that...Read More

1 Answer

Answer must be 60

First term is 12, Last term is 248

248 = 12 + (n-1)4

236 = (n-1)4

59 = n-1

n = 60

1 Answer

A= 121 d= -4 let the first negative term be an, s0 an...Read More

1 Answer

Solution

time= distance divide by speed

time=60 divide by 7

time=8whole4out of seven

1 Answer

How did you come up with 3 can you describe the formula

1 Answer

I would like to see the explicit formula written for this question

1 Answer

An=A1 + (n-1)d. A4= A1 + (4-1)d 93= A1 + (3) -7 93= A1 - 21 93 + 21=A1 114 = A1...Read More

1 Answer

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