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Finger [1]
2 years ago
10

Please help if you can 30 points

Mathematics
1 answer:
9966 [12]2 years ago
4 0
Y = sec(x) has a range that doesn’t include 0.
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A migrating bird flies 420 miles in 14 hours how many miles does it fly in 5 hours
8_murik_8 [283]

150 because if it is going 420 in 14 hours you divide 420 by 14 which gives you 30 and then you multiply 30 x 5 and you get 150 so the bird goes 150 miles in 5 hours

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3 years ago
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Data were collected on random specimens of Yellowfin tuna from 1991 and 2010. For the sample of 231 specimens of Yellowfin tuna,
Molodets [167]

Answer:

95% confidence interval: (0.325 ,0.383)

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 231

Sample mean = 0.354 ppm

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95% confidence interval:

\bar{x} \pm t_{critical}\displaystyle\frac{s}{\sqrt{n}}  

Putting the values, we get,  

t_{critical}\text{ at degree of freedom 4 and}~\alpha_{0.01} = \pm 1.97  

0.354 \pm 1.97(\dfrac{0.231}{\sqrt{231}} ) = 0.354 \pm 0.029 = (0.325 ,0.383)  

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3 years ago
7.) Jessica took her parents out to dinner. The total
m_a_m_a [10]
57.29 you do 48.55 times .18 which =8.74 then add the tip with the initial cost 8.74+48.55 =57.29 to get your answer 57.29
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Ummm....did you mean like what is the answer to 6x100?
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Solve 8(3x-4)=4x-2. Help
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X = 3/2

<em><u>I hope this could help!</u></em>
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