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AnnZ [28]
2 years ago
15

On a single roll of a pair of dice, what are the odds against rolling a sum of 7? Please help ASAP!!! :(

Mathematics
1 answer:
Kobotan [32]2 years ago
7 0
Honestly I don’t remember how to do this but u can try .083 but don’t count on it
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If XY=18, YZ=14, and XZ=20, find the radius of each circle.
Pachacha [2.7K]
Let`s assume that points M, N and P are the touching points of those 3 circles:Then:Y M + M Z = 14,Z N + N X = 20X P + P Y = 18And also: M Z = ZN, Y M = P Y and N X = X P.Now we have a system of 3 equations ( Y M, M Z and X P  are the radii of each circle ):Y M + M Z = 14M Z + X P = 20X P + Y M = 18 Y M - M Z = - 14+X P  + Y M = 18 X P - M Z  = 4Y M - M Z = - 14+M Z + X P = 20 X P - Y M = 6  /* ( - 1 )X P  - M Z = 4 X P + Y M = - 6  X P - M Z = 4    Y M - M Z = - 2           Y M + M Z = 14            2 Y M = 12  =>  Y M = 6M Z - 6 = 2  =>   M Z = 8X P + 6 = 18 
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3 years ago
I need help with #28-31 please
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3 years ago
If 6 1/4 of potatoes cost 40.75 how much would one pound cost
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