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AysviL [449]
2 years ago
11

I need help with this

Mathematics
1 answer:
Angelina_Jolie [31]2 years ago
3 0
Answer: 256

F(8)=512- 768
F(8)= 256
Hopes this helps
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There were 27 bales of hay in the barn. Grant stacked some more bales in the barn.Now there are 76 bales. Let b be the number of
lutik1710 [3]

Answer:

b=49

Step-by-step explanation:

27+b=76

76-27= 49

b=49

4 0
3 years ago
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marissa [1.9K]
The answer is 188 altogether 
5 0
3 years ago
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What are the coordinates of a point in Quadrant III which is 8 units away from point P?
Gala2k [10]

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Step-by-step explanation:

Go to point P then count downward 8 units then find your new coordinates

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Geometry question !!! <br> Help pleaseeeeeee<br><br> What is the length of AC
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Answer:

AC=7

Step-by-step explanation:

x+5=3x+3

-4x=-2

x=2

Substitute x in.

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3 years ago
According to the 2011 National Survey of Fishing, Hunting, and Wildlife-Associated Recreation, there were over 71 million wildif
suter [353]

Answer:

The probability that between 79% and 81%of the 500 sampled wildlife watchers actively observed mammals in 2011 is P=0.412.

Step-by-step explanation:

We know the population proportion π=0.8, according to the 2011 National Survey of Fishing, Hunting, and Wildlife-Associated Recreation.

If we take a sample from this population, and assuming the proportion is correct, it is expected that the sample's proportion to be equal to the population's proportion.

The standard deviation of the sample is equal to:

\sigma_s=\sqrt{\frac{\pi(1-\pi)}{N}}=\sqrt{\frac{0.8*0.2}{500}}=0.018

With the mean and the standard deviaion of the sample, we can calculate the z-value for 0.79 and 0.81:

z=\frac{p-\pi}{\sigma}=\frac{0.79-0.80}{0.018} =\frac{-0.01}{0.018} = -0.55\\\\z=\frac{p-\pi}{\sigma}=\frac{0.81-0.80}{0.018} =\frac{0.01}{0.018} = 0.55

Then, the probability that between 79% and 81%of the 500 sampled wildlife watchers actively observed mammals in 2011 is:

P(0.79

3 0
3 years ago
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