Class 1 and class 2 have a total of 630 house points. Class 1 have double the number of house points that class 2 have. How many
2 answers:
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Answer:
choice 1
Step-by-step explanation:
Given
V = πr²h ( isolate r² by dividing both sides by πh )
= r² ( take the square root of both sides )
= r ← the positive value of r