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3 years ago

I GIVE BRAINIEST! Someone please help me with question one through four

Mathematics

1 answer:

docker41 [41]3 years ago

3 0

1.) Reduction

As you can see Triangle A was reduced in size as a result of Triangle B

2.) Enlargement

Square A is much smaller than square B, making this an enlargement

3.) Enlargement

The quadrilateral shown here gets larger with quadrilateral B

4.) Reduction

This object gets vividly smaller as shown on the graph, making it a reduction

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What is the solution to this inequality?

kirza4 [7]

Answer:

I think its B. ?????

Step-by-step explanation:

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2 years ago

The slope of the line that passes through points -2,3 and 10,3 is

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Answer:

i gave you the slope and if its a function

Step-by-step explanation:

it a function

Slope (m) = ΔYΔX= 0

θ = arctan( ΔY )ΔX= 0°

ΔX = 10 – -2 = 12

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Distance (d) = √ΔX2 + ΔY2 = √144 = 12

Equation of the line:

y = 0x + 3

When x=0, y = 3

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3 years ago

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3 years ago

On the graph, △DEF was transformed to create △DGH.

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Answer:

it's B

Step-by-step explanation:

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2 years ago

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Use the confidence interval to find the estimated margin of error. Then find the sample mean. A biologist reports a confidence i

Pavlova-9 [17]

Answer:

$\bar X = \frac{Lower +Upper}{2}$

$\bar X= \frac{1.9+3.3}{2}= 2.6$

And the margin of error with this one:

$\bar X = \frac{Upper-Lower}{2}$

$ME = \frac{3.3-1.9}{2}= 0.7$

Step-by-step explanation:

Assuming that the parameter of interest is the sample mean $\mu$ . And we can estimate this parameter with a confidence interval given by this formula:

$\bar X \pm t_{\alpha/2}\frac{s}{\sqrt{n}}$ (1)

For this case the confidence interval is given by (1.9, 3.3)

Since the confidence interval is symmetrical we can estimate the sample mean with this formula:

$\bar X = \frac{Lower +Upper}{2}$

$\bar X= \frac{1.9+3.3}{2}= 2.6$

And the margin of error with this one:

$\bar X = \frac{Upper-Lower}{2}$

$ME = \frac{3.3-1.9}{2}= 0.7$

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3 years ago