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insens350 [35]
3 years ago
10

What is the length of XY?

Mathematics
1 answer:
Hitman42 [59]3 years ago
4 0

Answer:

40

Step-by-step explanation:

If points A, B, C are midpoints of sides XY, YZ, ZX respectively. Then by midpoint theorem.

XY = 2BC

XY = 2*20

XY = 40

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Bert can go diagonally, so flies √(4²+7²)=√65 ≈ 8.06 units.  At 20 mi/hr that takes (8.06/16)/20 = 0.025194 hours.

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What is the height, x, of the rectangular prism, if the volume is 750 cubic centimeters?
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