The difference between the terms increases by 2 each time. 20-12=8 30-20=10 42-30=12 56-42=14 ... f(n)=(n+2)(n+3)
n(n+1)
3.5
12/42 = 2/7
The GCF of 12 and 42 is 6
42/50 = 21/25
25+16+12+42+20=115
The factors of 12 are: 1, 2, 3, 4, 6, 12 The factors of 25 are: 1, 5, 25 The factors of 42 are: 1, 2, 3, 6, 7, 14, 21, 42 The factors of 75 are: 1, 3, 5, 15, 25, 75
2/7
I'll help you out, but u can just use a calculator you know... Fine... (25-17)=8 + (42-30)=12 8 + 12 = 20... There you go.
9, 12,16,21,27,34,42 42 is the 7th term 9+3=12 12+4=16 16+5=21 21+6=27 27+7=34 34+8=42, the 7th term
25 out of 42 = 100*25/42 = 59.524 % (to 3 dp)
The difference between the terms increases by 2 each time. 20-12=8 30-20=10 42-30=12 56-42=14 ... f(n)=(n+2)(n+3)
67
26
12% as a decimal = 0.120.12 * 42 = 5.04Therefore, 12% of 42 is 5.04.5.04= 12%/100% * 42= 12/100 * 42= 0.12 * 42= 5.04
25 + 17 = 42