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m_a_m_a [10]
3 years ago
14

Please help me answer

Mathematics
1 answer:
Whitepunk [10]3 years ago
8 0

Answer:

The answer is: C. 3my^4 - 3my^2x

Step-by-step explanation:

For the problem:

3my^2 (y^2x - x) =

Multiply each term by 3my^2:

3my^2 * y^2x - 3my^2 *x =

3my^4x - 3my^2x

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4 years ago
The vertices of ΔDEF have coordinates D(–1, 2), E(3, 3), and F (2, –4).What are the coordinates of the vertices of r(90°, O)(ΔDE
alex41 [277]

Answer:

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Step-by-step explanation:

hope I helped

4 0
3 years ago
Has grades of 71 and 87 on her first two algebra tests. if she wants an average of at least 75, what possible scores can she mak
Vikki [24]
On her third test she should get 67 marks
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6 0
3 years ago
The standard IQ test is designed so that the mean is 100100 and the standard deviation is 1515 for the population of all adults.
Natalija [7]

Answer:

The sample size should be approximately 151.      

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 100

Population standard deviation, σ = 15

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Alpha, α = 0.10

Confidence interval:

\mu \pm z_{critical}\frac{\sigma}{\sqrt{n}}

Putting the values, we get,

z_{critical}\text{ at}~\alpha_{0.10} = \pm 1.64

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100 \pm 1.64(\displaystyle\frac{15}{\sqrt{n}} ) = (98,102)\\\\1.64(\frac{15}{\sqrt{n}} ) = 2\\\\n = 151.29 \approx 151

Thus, the sample size should be approximately 151.

6 0
3 years ago
How many times greater is 1 than 1/4
melisa1 [442]

1 is 4 times greater than 1/4

If you multiply 1/4 by 4 you get 1

4 0
4 years ago
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