It is to insure the experiment does not have bias.
Answer:
Step-by-step explanation:
square-based pyramid:
volume V = (⅓)b²h
= (⅓)7²·16
≅ 261.3 ft³
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Can't help with question 3. I haven't learned triangle-based pyramids.
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cone:
volume V = ⅓πr²h
= ⅓π17²·20
= 6052.8 yd³
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can't help with question 7. Never did this kind of pyramid.
Answer:
14.5 miles
Step-by-step explanation:
Answer: 140
Step-by-step explanation: 25x20=500
32x20=640
640-500= 140!!
I think that C and D are the correct answers