2 years ago

Help??? Please? I need to pass.

Mathematics

1 answer:

jek_recluse [69]2 years ago

6 0

Answer:

(x-8.5)2=81.25

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Based on a poll of 100 citizens, a community action group claims that 38% of the population is in favor of the construction of a

tatyana61 [14]

Answer:

(0.55, 0.75)

Step-by-step explanation:

The range can be estimated to be 6 standard deviations wide. Therefore, the standard deviation is:

σ = (0.72 - 0.42) / 6

σ = 0.05

The margin of error is ±2σ, so:

ME = ±0.10

Therefore, the interval estimate is:

(0.65 - 0.10, 0.65 + 0.10)

(0.55, 0.75)

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2 years ago

A rectangular school yard 280 meters by 245 meters is to be fenced. How many meters of fencing will be required to fence it comp

NemiM [27]

525 or 68,600. It's one of them.

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3 years ago

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Anna007 [38]

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2 years ago

When 4 is subtracted from 5 times a number, the result is 16. what is the number?

Deffense [45]

4
5x - 4 = 16
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3 years ago

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A tourist standing on the New York City coast sees the Statue of Liberty, which is 305 feet tall. She must tilt her head 9 degre

mixer [17]

Given:

Height of the Statue of Liberty = 305 feet

Angle of elevation = 9 degrees

To find:

The between the tourist and the Statue of Liberty.

Solution:

Using the given information, draw a figure as shown below.

In a right triangle,

$\tan \theta=\dfrac{Perpendicular}{Base}$

In the triangle ABC,

$\tan 9^\circ=\dfrac{305}{x}$

$x=\dfrac{305}{\tan 9^\circ}$

$x=1925.6942$

$x\approx 1926$

Therefore, the tourist is standing 1926 feet from the Statue of Liberty.

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