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1 year ago

Use the drawing tools to form the correct answer on the graph.

Mathematics

2 answers:

-Dominant- [34]1 year ago

4 0

Answer:

dad

Step-by-step explanation:

dad

CaHeK987 [17]1 year ago

4 0

Answer:

The correct solution is f + goh = x² + 6x +1

Step-by-step explanation:

f (x) = x^2

g(x) = 3x + 1

h(x) = 2x

We are to look for f + (goh)

First we need to get the composite function goh

goh = g(h(x))

g(h(x)) = g(2x)

To get g(2x) we will substitute x in g(x) as 2x as shown below:

Given g(x) = 3x+1

g(2x) = 3(2x)+1

g(2x) = 6x+1

f + goh = x² + (6x +1)

f + goh = x² + 6x +1

Jim wrote goh as 2(3x+1) instead of 3(2x) + 1. The composite function that Jim looked for was hog not goh.

The correct solution is f + goh = x² + 6x +1

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Suppose we take a random sample of 41 state college students. Then we measure the length of their right foot in centimeters. We

Debora [2.8K]

Answer:

$ME = \frac{25.09-21.01}{2}= 1.69$

The general formula for the margin of error is given by:

$ME= t_{\alpha/2} \frac{s}{\sqrt{n}}$

And for this case the width is:

$Width= 2*t_{\alpha/2} \frac{s}{\sqrt{n}}$

And if we decrease the confidence level from 95% to 90% then the critical value $t_{\alpha/2}$ would decrease and in effect the width for this new confidence interval decreases.

As confidence level decreases, the interval width decreases

Step-by-step explanation:

For this cae we know that the sample size selected is n =41

And we have a confidence interva for the true mean of foot length for students at a college selected.

The confidence interval is given by this formula:

$\bar X \pm t_{\alpha/2} \frac{s}{\sqrt{n}}$

And for this case the 95% confidence interval is given by: (21.71,25.09)

A point of etimate for the true mean is given by:

$\bar X = \frac{21.71+25.09}{2}= 23.4$

And the margin of error would be:

$ME = \frac{25.09-21.01}{2}= 1.69$

The general formula for the margin of error is given by:

$ME= t_{\alpha/2} \frac{s}{\sqrt{n}}$

And for this case the width is:

$Width= 2*t_{\alpha/2} \frac{s}{\sqrt{n}}$

And if we decrease the confidence level from 95% to 90% then the critical value $t_{\alpha/2}$ would decrease and in effect the width for this new confidence interval decreases.

As confidence level decreases, the interval width decreases

3 0

2 years ago

What is 1’3/4”-2’3/4”

PSYCHO15rus [73]

Answer:

–

– 5

Result in decimals: -0.089285714285714

Calculation steps:

–

2 × 8

7 × 8

–

3 × 7

8 × 7

–

16 – 21

– 5

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2 years ago

What is the lateral surface area of a cone with radius 19 cm and slant height 11 cm

photoshop1234 [79]

Here radius = 19 cm

Slant height =11 cm

The condition for radius and slant height as r<l.

Lateral Surface Area = $\pi rl$

= $\pi *19*11$

= 656.59 square cm.

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2 years ago

Please help giving 10pts

MArishka [77]

Answer:

x=0 x=9

Step-by-step explanation:

f(x) = x^3 - 9x^2

Set equal to zero to find the zeros

0= x^3 - 9x^2

Factor out x^2

0=x^2 (x-9)

Using the zero product property

0=x^2 0=x-9

x=0 x=9

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(8 x 3,000) + (8x200) +(8x9)

Savatey [412]

THE ANSWER IS 40,072

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2 years ago

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