A number cube is rolled 30 times, and a number less than four comes up 22 times. What is the experimental probability that a num
2 answers:
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A
The volume (V) of a pyramid is found using the formula
V = × area of base × height(h)
area of base = 9² = 81 ← area of a square, hence
324 = × 81 × h = 27h ( divide both sides by 27 )
h = = 12 → A
