33/3030x4/3030=132/9180900
9180900-132=9180768
9,180,768 selections will contain no defective calculators. Hope this helps.
<span>Combinations: 5!/2!3!=10
</span>possibility: 1/10 = 2/20
Answer:
((7
Step-by-step explanation:
Answer:
9065
Step-by-step explanation:
A Four digit Number
sum of A+B=6
Hundreds Place is 9 lesser than thousand Place
2 Middle Number remove = 95
Thousand= 9
Hundreds = 0
Tens=6
Ones=5
Answer:
Well it depends, if you're talking about an arithmetic sequence for the recursive formula, then it would be "aₙ=aₙ₋₁+d" but if you're talking about a geometric sequence, then it would be "aₙ=aₙ₋₁ (r)"
Step-by-step explanation: