the ratio of the number of adults to the number of students at the prom has to be 1:10. Last year there were 450 more students t
1 answer:
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Answer:
-30
Step-by-step explanation:
I'm assuming the equation is . If it is not please tell me.
If we know the values of m and n, we can just substitute inside the expression.
Hope this helped!
Answer:
V ≈ 68.63 cm³
Step-by-step explanation:
the volume (V) of a sphere is calculated as
V = πr³
the volume of a hemisphere is half the volume of a sphere, so
V = ×
πr³ =
πr³ , then
V = π × 3.2³
= π × 32.768
≈ 68.63 cm³ ( to 2 dec. places )