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Alex777 [14]
3 years ago
6

What is the Volume of a hexagonal pyramid shown if the hexagon has a side length of 4 inches and the height of the pyramid is 12

inches?
Mathematics
1 answer:
SIZIF [17.4K]3 years ago
4 0

Answer:

  • 166.24 in³

Step-by-step explanation:

<u>Volume formula:</u>

  • V = 1/3 Bh, B-base area, h- height

<u>Base area:</u>

  • B = 3√3a² / 2 = 3√3*4² / 2 = 41.57 in (rounded)

<u>Volume:</u>

  • V = 1/3*41.56*12 = 166.24 in³

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Step-by-step explanation:

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To take a sample to estimate the mean height of all students at a university and that the value you reach is statistically valid you need the sampling method to be random and representative of the whole population, in this example, all university students.

a. Measure the heights of 50 students found in the gym during basketball intramurals.

This method is not the best because you would be sampling only basketball players leaving all other students of the university outside, i.e. your sample will not be representative of all the students, just the ones that play basketball.

b. Measure the heights of all engineering majors.

This method is not good, the sample only represents engineering mayors meaning that it does not include the students of any other subjects.

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I hope it helps!

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