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NERFALUCARD123IN
Answered

find the sum of the first 15 multiples of 7
(with solutions)​

Sagot :

QUARYMORALESIN

Answer:

184 po,, Sana naka tulong po ako Salamat, pa brainliest Lodi hirap mag solve potek

Step-by-step explanation:

FORMULA

S= n[2a+(n-1) ]

________

2

s= 8 2•2 + 15 17

s=.8 [ 19 + 2•2]

________

2

s= 8 [ 19 + 4]

s= 8 [ 23]

____

2

23×8 = 184

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