3 years ago

Calculate the distance between (0,3) and (3,10) to 1 decimal place

1 answer:

5 0

Alright, so the distance formula is sqrt((x1-x2)^2+(y1-y2)^2), and plugging that in, we get sqrt((0-3)^2+(3-10)^2)=sqrt((-3)^2+(-7)^2)=sqrt(9+49)=sqrt(58)=around 7.6

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We are asked to find the number of five-card hands (drawn from a standard deck) that contain exactly three fives.

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