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3 years ago

5

Imagine that you have a bag filled with 10 pink marbles and 5 black marbles. What is the probability of pulling a black marble f

rom the bag?

Advanced Placement (AP)

1 answer:

Advocard [28]3 years ago

7 0

1/3 chance. You have 15 marbles 5 which are black. That makes it 5/15 which reduced would be 1/3

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Read 2 more answers

If e5x = k, where k is any positive number, then what is the value of X?

AlladinOne [14]

Answer:

$x = \frac{ln(k)}{5}$

Explanation:

Given

$e^{5x} = k$

Required

Solve for x

$e^{5x} = k$

Take natural logarithm of both sides:

$ln(e^{5x}) = ln(k)$

Apply law of logarithm:

$ln(e^{f(x)}) = f(x)$

So, we have:

$ln(e^{5x}) = ln(k)$

$5x = ln(k)$

Divide through by 5

$x = \frac{ln(k)}{5}$

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3 years ago