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wiskdls
Username
wiskdls
Score
182
Stats
Questions
44
Answers
1
44 Questions
1 Answers
0
84
1
+182
Maths
Compute (5C1+5C2+5C3) * (6C2+6C3+6C4)
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wiskdls
May 14, 2018
0
165
1
+182
HELP!!
A club with five men and six women wish to form a committee. The number of men must be between 1 and 3 (inclusive), and the number of women must be between 2 and 4 (inclusive). How many different committees can be formed?
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wiskdls
May 12, 2018
0
100
2
+182
maths
A group of nine people is be split into three teams, so that one team has four people, one team has three people, and one team has two people. How many ways can this be done?
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wiskdls
May 12, 2018
0
78
3
+182
Maths
Call a number prime-looking if it is composite but not divisible by 2, 3, or 5. The three smallest prime-looking numbers are 49, 77, and 91. There are 168 prime numbers less than 1000. How many prime-looking numbers are there less than 1000?
read more ..
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wiskdls
Apr 29, 2018
+1
151
1
+182
Maths
On my ping-pong team there are four times as many right-handed boys as left-handed boys. Of the students on the team who are left-handed, there are twice as many girls as there are boys. Half of the girls who are on the team are left-handed. If there are
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wiskdls
Apr 29, 2018
0
79
1
+182
Maths
There are 100 people at lunch. The fruits available for lunch are blueberries, raspberries, or blackberries.
59 people have blueberries, 37 have raspberries, and 54 have blackberries.
25 people have both blueberries and raspberries; 12 people have
read more ..
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wiskdls
Apr 29, 2018
0
93
1
+182
Maths
A poll of 100 eighth-grade students was conducted to determine the number of students who had a dog, a cat, or a fish. The data showed that 50 students had a dog, 40 students had a cat, and 20 students had a fish. Further, 19 students had only a dog and
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wiskdls
Apr 29, 2018
0
65
0
+182
Maths
Jenny's grandmother has cats. Seventeen of the cats do not catch mice. Ten of the cats have black fur. What is the smallest possible number of cats that do not catch mice that have black fur?
wiskdls
Apr 29, 2018
0
97
0
+182
maths
In how many ways can you color one cell blue and one cell red in the grid below so that the colored cells are not neighbors? Two cells are neighbors if they touch at all, even diagonally.
5x5 grid - grid
wiskdls
Apr 28, 2018
+1
152
2
+182
Math
1) Determine the number of ways to arrange the letters in BEEPER.
2) Determine the number of ways to arrange the letters of TENNESSEE.
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wiskdls
Apr 28, 2018
0
65
0
+182
Maths
In how many ways can you color one cell blue and one cell red in a 5x5 square so that the colored cells are not neighbors? Two cells are neighbors if they touch at all, even diagonally.
wiskdls
Apr 28, 2018
0
80
0
+182
Maths
There are 16 competitors in the MATHCOUNTS Trainer competition, including 3 from Vienna. The gold medal goes to first place, silver to second, and bronze to third.
Suppose that the School powers-that-be decide that exactly one student from Vienna must
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wiskdls
Apr 28, 2018
0
91
2
+182
Math
There are 16 competitors in the MATHCOUNTS Trainer competition, including 3 from New York City. The gold medal goes to first place, silver to second, and bronze to third.
In how many ways can the medals be awarded to three of the 16 competitors?
read more ..
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wiskdls
Apr 24, 2018
0
145
1
+182
Math
How many 4-digit numbers have the second digit even and the fourth digit at least twice the second digit?
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wiskdls
Apr 24, 2018
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#2
+182
0
@Guest any number number of letters
wiskdls
Apr 15, 2018