Answer:
3a^6, -2a^5, +1a^4
Step-by-step explanation:
Answer:
The answer is 25 weeks
Step-by-step explanation:
Let, Number of weeks = x
Now, the required expression is
∴
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Answer:
Step-by-step explanation:
If 60% failed then 40% passed
.4n=500
n=1250 so there are 1250 candidates of which
.6(1250)=750 failed
So 750 candidates failed.
Answer:
Odd integers are always one more that an even integer:
1st: 2n+1
2nd: 2n+3
Step-by-step explanation:
14n+7 = 10n+15
4n = 8
n = 2
------------
1st: 2n+1 = 5
2nd: 2n+3 = 7
7x=5*(x+2)
7x=5x+10
7x-5x=10
2x=10
x=5