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nikdorinn [45]
3 years ago
10

Question

Mathematics
2 answers:
weeeeeb [17]3 years ago
8 0

Answer:

ln(2) - ln(7)

Step-by-step explanation:

Nadusha1986 [10]3 years ago
5 0

Answer:

ln(2)-ln(7)

Step-by-step explanation:

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I need help ASAP THANK YOU
Anestetic [448]

Answer:

see explanation

Step-by-step explanation:

To prove that BC ≅ AD, that is that BC = AD

You would need to prove the lengths are the same.

4 0
3 years ago
Read 2 more answers
20. Solve the equation x2 - 17x + 72 = 0.
Rina8888 [55]

Answer:

x=8,9

Step-by-step explanation:

x^2-17x+72=0

(x-8)(x-9)=0

x=8,9

3 0
3 years ago
Jesse and Amir were assigned the same book to read for class. Jesse started reading on Saturday, and he is reading 30 pages a da
barxatty [35]

Answer:

whats the question?

Step-by-step explanation:

8 0
3 years ago
Suppose a shipment of 400 components contains 68 defective and 332 non-defective computer components . From the shipment you tak
Alona [7]

Answer:

The standard deviation for the number of defective parts in the sample is 1.88.

Step-by-step explanation:

The sample is with replacement, which means that the trials are independent, and thus, the binomial probability distribution is used to solve this question.

Binomial probability distribution

Probability of exactly x successes on n repeated trials, with p probability.  

The expected value of the binomial distribution is:

E(X) = np

The standard deviation of the binomial distribution is:

\sqrt{V(X)} = \sqrt{np(1-p)}

68 defective out of 400:

This means that p = \frac{68}{400} = 0.17

From the shipment you take a random sample of 25.

This means that n = 25

Standard deviation for the number of defective parts in the sample:

\sqrt{V(X)} = \sqrt{np(1-p)} = \sqrt{25*0.17*0.83} = 1.88

The standard deviation for the number of defective parts in the sample is 1.88.

6 0
3 years ago
Does anyone know the answer to number 1, because I need to know ASAP
sdas [7]

The exterior angles of any convex polygon add to 360 degrees.  So for a regular pentagon, the exterior angle is 360/5 = 72 degrees. The interior angle is supplementary to the exterior angle so is 180 - 72 = 108 degrees.  So the sum of them is 5(108) = 540 degrees.

Answer: 540 degrees


5 0
3 years ago
Read 2 more answers
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