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iren2701 [21]
3 years ago
8

Which expression shows the correct way to expand (6x-6)^2?

Mathematics
1 answer:
jeka943 years ago
5 0

Answer:

(6x -6)^{2} = (6x +6)(6x +6) = 36x^{2} -72x + 36

Step-by-step explanation:

Even if I don't know the options I can give all the option that will be right for expending this. Just look at each step and see which one is one of the options.

(6x -6)^{2} = (6x +6)(6x +6) = 36x^{2} -72x + 36

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Answer: 0.1359

Step-by-step explanation:

mean = $400

Standard deviation = $50

Since the wages is normally distributed , the first thing is to find the z - score.

z = \frac{x-mean}{standard deviation}

finding the z - value for 300 and 350 , we have

z = \frac{300-400}{50}

z = \frac{-100}{50}

2 = -2

also

z = \frac{350-400}{50}

z = \frac{-50}{50}

z = -1

The next thing is to check the calculated value on z - table.

From z - table :

P (z\leq -2 ) = 0.0228

P ( z \leq -1 ) = 0.1587

combining the two

P ( -2\leqz\leq-1 ) = 0.1587 - 0.0228

P ( -2\leqz\leq-1 ) = 0.1359

Therefore , the the probability that a worker

selected at random makes between

$300 and $350 = 0.1359

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3 years ago
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Colt1911 [192]

Answer:

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Step-by-step explanation:

bc it is moved over 2 places to the left, plz can i be brainliest

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I love you man<br><br><br> SAY IT BACK<br><br> SAY IT BAAACK
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