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nlexa [21]
3 years ago
9

Mai is visiting paris to see the eiffel tower. she is 80 feet away when she spots it. To see the top, she has to look up at an a

ngle of 85.7 degrees. how tall is the eiffel tower?

Mathematics
1 answer:
allochka39001 [22]3 years ago
7 0

Step-by-step explanation:

Use tan relation :

tan85.7=h/80

h=tan85.7×80

h=1063.96ft

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jok3333 [9.3K]
The mode for this is 59

Other stuff you may need:
<span><span>Range - 9
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5. Each pair of polygons below are similar. Show your work! Solve for x:
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If you divide 16/40, you’ll find that that ratio is 2.5. So then you just multiply 16 x 2.5. You’ll get 18.

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4 0
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2 years ago
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3 years ago
When n=343 college students are randomly selected and surveyed, it is found that x=110 own a car. Find a 99% confidence interval
Liono4ka [1.6K]

Answer:

The margin of error will be "0.65". A further explanation is provided below.

Step-by-step explanation:

The given values are:

n = 343

x = 110

At 99% confidence level,

\alpha = 1-99%

  =1-0.99

  =0.01

then,

\frac{\alpha}{2} =\frac{0.01}{2}

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or,

Z_{\frac{\alpha}{2} }=Z_{0.005}

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Now,

The point estimate will be:

⇒  \hat{P}=\frac{x}{n}

⇒      =\frac{110}{343}

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⇒  1-\hat{P}=1-0.321

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The margin of error will be:

⇒  E=Z_{\frac{\alpha}{2} }\times \sqrt (\frac{(\hat{P}\times (1 - \hat{P})) }{n} )

On substituting the above values, we get

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hence,

⇒  \hat{P}-E

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⇒  0.256,0.386

6 0
3 years ago
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