Answer:
Radioactive in half life is 51gram
Step-by-step explanation:
80grams:12years
X :7.6years
12x÷x=x
7.6×80÷12=51gram
To solve:
(x-10)(x-10)
Answer: x^2-20x+100
Answer:
10
Step-by-step explanation:
Volume = πr²h
Volume = π(5)²(3)
Volume = 75π = 235.62 cm³ (nearest hundredth)
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Answer: Volume = 235.62 cm³.
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(2y +1)(4y + 1) is the factored form
