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Likurg_2 [28]
4 years ago
14

Multiply and simplify: -3x^2y^2 times x^4

Mathematics
1 answer:
pishuonlain [190]4 years ago
8 0
It's the first answer choice.
Steps:
-3x^2y^2x^4
(Apply the exponent rule)
x^4x^2 = x^2+4 = x^6

= -3x^6y^2

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A new energy drink advertises 252 calories for 15 ounces how many calories are in a 35 ounces of a drink
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Answer:

588

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252 calories for 15 ounces

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alexandr402 [8]

Answer:

Option B) 16

Step-by-step explanation:

We are given the following in the question:

y = 0.8x + 20

where x is the student's original test score and y is the student's adjusted test score.

We have to find the standard deviation of the adjusted test scores of the students in the class, if the standard deviation of the original test scores of the students in the class was 20.

We know that:

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Thus, if we add 20 to each data set then, the standard deviation does not change.

But multiplying each score by 0.8, changes the standard deviation 0.8 times.

Thus, we can write:

\text{Standard deviation of the adjusted test scores}\\ = \text{Standard deviation of the original test scores of the students}\times 0.8\\= 20\times 0.8\\= 16

Thus, standard deviation of adjusted score is 16.

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