#$&*
course mth 152
9/9 3
question 11.1.6 {Andy, Bill, Kathy, David, Evelyn}.
In how many ways can a secretary, president and treasurer be selected if the secretary must be female and the others male?
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Your Solution:
2 * 3 * 2 = 12
3
Ok
question 11.1.12 and 18.
In how many ways can the total of two dice equal 5?
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Your Solution:
1,4, or 2,3 or 3,2 or 4,1
3
Ok
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question: In how many ways can the total of two dice equal 11?
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Your Solution:
There are two ways
3
Ok
question 11.1.36 5-pointed star, number of complete triangles
How many complete triangles are there in the star and how did you arrive at this number?
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Your Solution:
5 + 5 = 10 triangles
3
Ok
question 11.1.40 4 x 4 grid of squares, how many squares in the figure?
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Your Solution:
30 squares
3
Ok
question 11.1.50 In how many ways can 30 be written as sum of two primes?
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Your Solution:
4 ways 30 can be written as the sum of two prime numbers
3
Ok
question 11.1.60 four adjacent switches; how many settings if no two adj can be off and no two adj can be on
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Your Solution:
two possibilities are off-on-off-on and on-off-on-off. 0101 and 1010
3
Ok
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