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Alekssandra [29.7K]
3 years ago
6

A solid lies between planes perpendicular to the x-axis at x=0 and x=3. The cross-sections perpendicular to the axis on the inte

rval 0≤x≤3 are squares whose diagonals run from the parabola y=−x‾‾√ to the parabola y=x‾‾√.Find the volume of the solid.

Mathematics
1 answer:
Hatshy [7]3 years ago
6 0

Answer:

V = 9

Step-by-step explanation:

You can see it in the picture.

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Answer:

What we know is that 30% of the group have brown hair and are girls. It means that in the other 70% we have the boys with brown hair, the other boys and the other girls.

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Now, let's suppouse that 90% of the group are girls. It means 10% are boys and 70% of that 10% (=7%) are the boys in the group that have brown hair. Now 7% + 30% of the children have brown hair, wich isn't more than the half.

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