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Mathematics 8 Online
OpenStudy (danieke):

What is the missing term in this arithmetic sequence? 9, 14, 19, __, 29, 34, … 23 24 25 26

OpenStudy (dtan5457):

The pattern is that they just add 5 every time so 19+5=?

OpenStudy (danieke):

24

OpenStudy (dtan5457):

sounds about right

Nnesha (nnesha):

for arithmetic to find d(common difference ) use this formula \[\huge\rm d = a_2 - a_1 , ~~~ a_4-a_3\] next term - previous term

OpenStudy (danieke):

@Nnesha i dont understand that formula

Nnesha (nnesha):

a_2 = 2nd term a_1 = first term subtract 2nd term MINUS first term or 3rd term minus 2nd term

OpenStudy (danieke):

thank you :)

Nnesha (nnesha):

np :)

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