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catswift
Username
catswift
Score
28
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Questions
4
Answers
2
5 Questions
2 Answers
0
211
2
+28
help please
a,b,c,d,e and f are positive numbers such that bcdef/a=4, acdef/b=9, abdef/c=16,abcef/d=1/4, abcdf/e=1/9,abcde/f=1/16. Then (a+c+e)-(b+d+f)=_____
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catswift
Jun 25, 2022
0
281
1
+28
question on a math competition, i know the answer, i don't know how to get to it
A stack contains 7 green marbles and 3 red marbles. 2 marbles are taken from the sack w/out replacement. What is the probability of taking one green marble and one red marble (in any order)?
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catswift
May 9, 2022
0
264
2
+28
pls help
Ben chooses a random integer between and inclusive, twice (and he may choose the same integer both times). What is the probability that at least one of the numbers Ben chooses is a multiple of ?
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catswift
May 5, 2022
+1
310
3
+28
Hii, I'm stuck on this
Ten distinct points are chosen on a circle. A line segment is drawn between every pair of chosen points. How many line segments are drawn?
Please help!!
Melody
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catswift
Apr 22, 2022
+1
273
6
+28
im stuck on this :((
I run a book club with people, not including myself. Every day, for days, I invite three members in the club to review a book. What is the smallest positive integer so that I can avoid ever having the exact same group
read more ..
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catswift
Apr 13, 2022
#2
+28
+2
thank you so much melody!!!
catswift
Apr 23, 2022
#6
+28
+1
thanks, both of you!!
catswift
Apr 13, 2022