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Afina-wow [57]
2 years ago
8

A letter home to the parents of seniors at Westgate High School says, "a simple random sample of 30 Westgate seniors that took t

he SAT-M test this year produced a mean of 512 and a standard deviation of 95. A confidence interval for the true mean for all WHS seniors is 512.00 ± 47.8." The confidence level for this interval is Group of answer choices
Mathematics
2 answers:
lawyer [7]2 years ago
3 0

Answer:

imsorryimsorryimsorry i have a test and i need points because i dont understand it and icant fail im so sorry <3<3<3

Step-by-step explanation:

:(:(:(:(:(:(:(:(:(

atroni [7]2 years ago
3 0

Answer:

It's 99%

Step-by-step explanation:

It just is.

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HELP ME PLZZ, ASAP!!<br><br> In your own words explain what Complementary means.
zvonat [6]

Complementary means something is hard

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2 years ago
What I Can Do
Nostrana [21]
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8 0
3 years ago
From the diagram below, of the distance between the tree and point B is 125 meters, and the angle of depression from the top of
ankoles [38]

Answer:

a. 129 meters

Step-by-step explanation:

The given parameters of the tree and the point <em>B</em> are;

The horizontal distance between the tree and point <em>B</em>, x = 125 meters

The angle of depression from the top of the tree to the point <em>B</em>, θ = 46°

Let <em>h</em> represent the height of the tree

The horizontal line at the top of the tree that forms the angle of depression with the line of sight from the top of the tree to the point <em>B</em> is parallel to the horizontal distance from the point <em>B</em> to the tree, therefore;

The angle of depression = The angle of elevation = 46°

By trigonometry, we have;

tan(θ) = h/x

∴ h = x × tan(θ)

Plugging in the values of the variables gives;

h = 125 × tan(46°) ≈ 129.44

The height of the tree, h ≈ 129 meters

3 0
3 years ago
I need help now plz !
My name is Ann [436]

Answer:D

Step-by-step explanation:

students playing trombone=12+10+7+16

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8 0
3 years ago
Plot the x- and y-intercepts to graph the equation
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Answer:

The y-intercept point would be on the -5 of the y-axis while the x-intercept would be on the -5 of the x-axis.

hope this helps :)

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