Answer:
1. x, x +10, x +20, x + 30, x + 40
wherein x=20
p.s ikaw nalang magtable
2. an= a1 + (n-1) d
so, a2= x + (1) 10
a2= x + 10
so, a3= x + (2) 10
a3= x + 20
ganun din sa a3,a4 and a5
C. a8= x + (7) 10
a8= 20+70
a8= 90
s8 = (a1+a8) n/2
s8 = (20+90) 8/2
s8 = (110) 4
s8= 440
answer: 440 students
Step-by-step explanation:
goodluck padayon (:
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Answers & Comments
Answer:
1. x, x +10, x +20, x + 30, x + 40
wherein x=20
p.s ikaw nalang magtable
2. an= a1 + (n-1) d
so, a2= x + (1) 10
a2= x + 10
so, a3= x + (2) 10
a3= x + 20
ganun din sa a3,a4 and a5
C. a8= x + (7) 10
a8= 20+70
a8= 90
s8 = (a1+a8) n/2
s8 = (20+90) 8/2
s8 = (110) 4
s8= 440
answer: 440 students
Step-by-step explanation:
goodluck padayon (: