A bag contains 3 red pens 5 blue pens and 2 black pens a pen is selected at random and is not replaced what is the probability o
f selecting a red pen then a blue pen
2 answers:
Answer: 1/6
Step-by-step explanation:
3 red
5 blue
2 black
10 total
pick a red pen first: 3/10
pick a blue pen next: 5/9
3/10*5/9 = 15/90 or 1/6
Answer: 1/6
Step-by-step explanation:
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</span>$22,100 = 20,009 + 0.15n
$2091 = 0.15n
n = 2091/.15 = 13940
Answer:
30.17 cm
Step-by-step explanation:
area of a circular disc=π*r^2
derivative of area=2*π*r
maximum error= derivative * error in radius
i.e . 2*π*r*0.2
Answer:
26
Step-by-step explanation:
20-7= 13 (half his comics) 13+13=26
