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oksian1 [2.3K]
3 years ago
5

There is a sack that contains 100 marbles: 30 are black, 45 are red, and 25 are yellow. We pull out a marble, record its color,

and then put it back in the sack, and shake the bag. We do this 20 times. Analyze this situation: Is this a binomial situation or not?
Mathematics
1 answer:
beks73 [17]3 years ago
5 0

Answer:

No

Step-by-step explanation:

This is not a binomial situation, as there are more than two outcomes (the prefix bi means two). There is also not an equal amount of chance of pulling any color marble.

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Identifying an Error
Burka [1]

The incorrect step is ln(x²) = ln(3x/0) because ln(x/y) = lnx - lny and the solutions are x = 0, 3

<h3>What is a logarithm? </h3>

It is another way to represent the power of numbers, and we say that 'b' is the logarithm of 'c' with base 'a' if and only if 'a' to the power 'b' equals 'c'.

\rm a^b = c\\log_ac =b

The question is incomplete.

The complete question is in the picture, please refer to the attached picture.

We have:

2ln(x) = In(3x) - [In(9) - 2ln(3)]

In(x²) = In(3x) - [In(9) - In(9)]

ln(x²) = ln(3x) - 0

ln(x²) = ln(3x/0)   (incorrect step)

ln(x²) = ln(3x)

x² = 3x  (correct step)

x² - 3x =0

x(x - 3) = 0

x = 0, 3

Thus, the incorrect step is ln(x²) = ln(3x/0) because ln(x/y) = lnx - lny and the solutions are x = 0, 3

Learn more about the Logarithm here:

brainly.com/question/163125

#SPJ1

3 0
2 years ago
2(9x - 1) = 99-7(3 - 4x)<br> help please
Bogdan [553]

Answer:

x = -8

Step-by-step explanation:

Distribute on both sides

combine constants

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then divide

6 0
3 years ago
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A school choir has 36 members. This year, there are three times as many returning members as new members. How many new members a
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Answer:its 12

Step-by-step explanation:

because there are 36 now and they have 3 times more each year so it is 12 + 12 + 12 = 36

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Answer:

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Step-by-step explanation:

I multiplied 10 x pi and it gave me 31.4159265359 and I rounded up to 31.42

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Answer: multiply (1/3√x-3/2√y)^2

Step-by-step explanation: Answer: 1/2 of 1/2 is 1/4.

8 0
2 years ago
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