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3 years ago

9

(x^3+6x^2+8x-3) (x-3)^-1

1 answer:

zhannawk [14.2K]3 years ago

5 0

(x + 3) (x^2 + 3x- 1) over x- 3

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An experiment will be conducted to test the effectiveness of a weight-loss supplement. Volunteers will be randomly assigned to t

DerKrebs [107]

Answer:

Option c. The distributions of weight loss of the two treatments are approximately normally distributed.

Step-by-step explanation:

To increase the confidence level, the results must be able to satisfy the following conditions:

The sample size is increased. This reduces the margin of the error in the sampling experiment.
Reduction of the variability. This means that the less the data varies, the more precise the data is.
Using the one-sided confidence level
Lowering the confidence level.

All these characteristics can only be satisfied by the normal distribution curve.

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4 years ago

What is 2.5 (x - 1) + 4.5 (-x - 2)

yaroslaw [1]

Answer:

2.5(x-1)+4.5(-x-2)

2.5x-2.5-4.5x-9

-2x-11.5

Step-by-step explanation:

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3 years ago

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Write the equation of a circle given the center (-4, 4) and raduis r = 5.

Len [333]

Answer:

A) $(x+4)^2+(y-4)^2=25$

Step-by-step explanation:

The equation of a circle is $(x-h)^2+(y-k)^2=r^2$ where $(h,k)$ is the center and $r$ is the radius. If $(h,k)\rightarrow(-4,4)$ and $r=5$ , then:

$(x-h)^2+(y-k)^2=r^2\\\\(x-(-4))^2+(y-4)^2=5^2\\\\(x+4)^2+(y-4)^2=25$

Therefore, the equation of the circle is $(x+4)^2+(y-4)^2=25$

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3 years ago

12x(x+2)−5(2x−1)<br><br> find the equation

ankoles [38]

Perform the indicated multiplications...

12x*x+12x*2-5*2x-5*(-1)

12x^2+24x-10x+5 combine like terms

12x^2+14x+5

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3 years ago

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Select the correct order for the following numbers

Andru [333]

Answer:

cdab

Step-by-step explanation:

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3 years ago

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