2 years ago

Which diagram represents a perpendicular distance in Euclidean Geometry

Mathematics

2 answers:

klasskru [66]2 years ago

9 0

the answer IS the 1st one

Tju [1.3M]2 years ago

6 0

Primitive Diagram.......................................................................................................................

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What is the measure of the missing angle?)<br><br>Please explain how u got the answer so I can learn

anygoal [31]

Step-by-step explanation:

let x be the another angle

x+40=90

x=90-40

x=50

The measure of missing angle is 50

hope it helps

7 0

2 years ago

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Pls show me how to do this

nasty-shy [4]

If. cam downloads 3 songs every 14 days,first do 56 divided by 14 which leaves us off to 4 and multiply it by 3 which gives us 12 songs in 56 days

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3 years ago

Round <br> 644.4<br> 644.4644, point, 4 to the nearest one.

creativ13 [48]

Answer:

644

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

You have $1.55 worth of dimes and nickels in a jar. There are 23 coins in the jar. How many dimes do you have? How many nickels

Scilla [17]

i believe the answer is 35 dimes and 65 nickels (sorry if i’m wrong lol)

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3 years ago