Answer:
C) 1.5 in
Step-by-step explanation:
(7 + 1.5 + 1.5)(5 + 1.5 + 1.5) = 80
Answer:
25/784
Step-by-step explanation:
Answer:
d. 10%
Step-by-step explanation:
1. Information to know
15 cards left in the deck, and 5 are diamond, to find the probability of the next 2 cards being diamond, one has to find the probability of the 1st card as a diamond, and then multiply it by the probability of the 2nd card being a diamond.
Remember, probability is;

2. Find probability 1
favorable out comes; diamond = 5
total outcomes; total cards = 15
probability is; 
Simplified; 
3. Finding probability 2
If the last card drawn was a diamond then the new numbers will be
favorable outcomes; 4
total outcomes; 14
Probability is; 
Simplified; 
4. Total probability
Now, one has to multiply the first probability by the second probability to find the probability of the event;

= 
= 0.095238
~10%
169.65mm
A=2πrh+2πr2=2·π·3·6+2·π·32≈169.646