Area = π × r2. Or, when you know the Diameter: A = (π/4) × D2. So A = 6π, which is 18.85. So A = 18.85. And here's the hand.
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Answer:
A).
B).
Step-by-step explanation:
A).
To get the square root of the given expression we will convert it into the square form.
[Since 2×2 = 4 and
]
Therefore,
B).
Since,
Therefore, [Since 3² = 9 and (m⁷)² = m¹⁴]
3x - 1 = 3x + 1
subtract 3x from both sides to get (-1 = 1). This is a false statement so it is: CONTRADICTION
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4x - 11 = 7
add 11 to both sides and then divide both sides by 4 to get . This statement is true only when x =
so it is: CONDITIONAL
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2 - 8x = 2 - 8x
add 8x to both sides to get (2 = 2). This is a true statement so it is: IDENTITY
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x + 1 = -x + 4
add x to both sides, subtract 1 from both sides, and divide both sides by 2 to get . This statement is true only when x =
so it is: CONDITIONAL
Answer: B, A, C, A