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1 year ago

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Describe the change in the graph of the parabola f(x) when it transforms into g(x) =

1 answer:

saw5 [17]1 year ago

8 0

Answer:

(d) The parabola g(x) will open in the same direction of f(x), and the parabola will be wider than f(x).

Step-by-step explanation:

We assume you intend ...

f(x) = equation of a parabola

g(x) = 2/3·f(x)

Multiplying a function by a factor of 2/3 will cause it to be compressed vertically to 2/3 of its original height. When the function is a parabola, this has the effect of making it appear wider than before the compression.

__

The compression factor is positive, so points on the graph remain on the same side of the x-axis. The direction in which the graph opens is not changed.

The attachment shows parabolas that open upward and downward, along with the transformed version.

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Your boss tells you that she knows the length of the widgets your company makes is normally distributed with a mean of 25 inches

sp2606 [1]

Answer:

Mean of sampling distribution = 25 inches

Standard deviation of sampling distribution = 4 inches

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 25 inches

Standard Deviation, σ = 12 inches

Sample size, n = 9

We are given that the distribution of length of the widgets is a bell shaped distribution that is a normal distribution.

a) Mean of the sampling distribution

The best approximator for the mean of the sampling distribution is the population mean itself.

Thus, we can write:

$\bar{x} = \mu = 25\text{ inches}$

b) Standard deviation of the sampling distribution

$s = \dfrac{\sigma}{\sqrt{n}} = \dfrac{12}{\sqrt{9}} = 4\text{ inches}$

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2 years ago

Simplify 4 n5 + 3.5 n5 + (-2.1 n5 ).

Alona [7]

Step-by-step explanation:

<u>Step 1: Let's simplify step-by-step.</u>

$4n^5 + 3.5n^5 - 2.1n^5$

$= 4n^5 + 3.5n^5 + -2.1n^5$

<u>Step 2: Combine Like Terms:</u>

$= 4n^5 + 3.5n^5 + -2.1n^5$

$= (4n^5 + 3.5n^5 + -2.1n^5)$

$= 5.4n^5$

Answer:

$=5.4n^5$

Hope this helps.

7 0

2 years ago

I need help with this please

Marina86 [1]

Answer:

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Step-by-step explanation:

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2 years ago

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STALIN [3.7K]

Answer:

it would be 75

Step-by-step explanation:

if add 10+ 10+ 30 + 25 its would be 75

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3 years ago

Could someone please explain how to solve this equation step by step? -9/2 + 2x+9/2x =-5

telo118 [61]

Answer:

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Step-by-step explanation:

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2 years ago