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TEA [102]
3 years ago
15

The angle of depression from a lighthouse to a boat in the water is 14 degrees. If the boat is 532 feet from the base of the lig

hthouse, what is the height of the lighthouse?
Mathematics
1 answer:
MA_775_DIABLO [31]3 years ago
6 0

Answer:132.6tt

Step-by-step explanation:

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How to find mean and standard deviation for binomial distribution?
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3 years ago
What is the ratio of 63 sit ups in 3 1/2 minutes
BlackZzzverrR [31]
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4 0
3 years ago
What two numbers have a sum of 215 and a difference of 137
BabaBlast [244]

Answer:

see below

Step-by-step explanation:

let x = big number

let you = small number

x + y = 215-------> (1)

x - y = 137 ------>(2)

(1)

x = 215 - y ----->(1)

substitute 1 into 2

215 - y -y = 137

-2 y = 78

y = 39

substitute y = 39 into (1)

x = 215 - (39)

x = 176

thus the numbers are 176 & 39

hope this helps

please mark it brainliest

it took me quite long to do this

3 0
3 years ago
20. What do you think would happen to the variability (standard deviation) of the distribution of sample proportions if the samp
Naya [18.7K]

Answer:

Step-by-step explanation:

Sample proportion p is the proportion of favourable numbers to total number in the sample

By central limit theorem and also approximation of binomial to normal , we have sample proportion for large number of samples will be normal

with mean = sample proportion

and std deviation = \sqrt{\frac{pq}{n} }

Thus we find standard deviation of proportion sample is inversely proportional to the square of the sample size n.

It follows automatically that as sample size increases std deviation decreases.

Here from 80 sample size was made to 200

So std deviation would decrease automatically

4 0
3 years ago
What is 5.207 as a fraction?
Bess [88]
5 207/1000 is the answer
6 0
3 years ago
Read 2 more answers
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