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Answer:
2a +b
Step-by-step explanation:
The rule for logarithms is ...
log(xy) = log(x) +log(y)
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Applying this to the given problem, we have ...
log(12) = log(2×2×3)
= log(2) +log(2) +log(3)
= a + a + b
= 2a +b
Answer:
Option 1
Step-by-step explanation:
Arc MK is equal to the sum of arcs ML and LK.
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Answer:
P(B) = 0.65
Step-by-step explanation:
The appropriate formula is ...
P(A or B) = P(A) +P(B) -P(A and B)
Then P(B) is ...
P(B) = P(A or B) +P(A and B) -P(A)
P(B) = 0.8 +0.15 -0.3
P(B) = 0.65
