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Sunny_sXe [5.5K]
2 years ago
14

Geometry question help

Mathematics
1 answer:
meriva2 years ago
4 0

Answer:

m<BCD  is 62 degrees

Step-by-step explanation:

From the diagram given, both triangles are similar triangles and triangle CAB is isosceles in nature;

Hence;

m<CAB = m<CBA

Also

m<CAB + m<CBA = m<BCD

31 + 31 = m<BCD

Swap

m<BCD = 31 + 31

m<BCD  = 62 degrees

hence the measure of m<BCD  is 62 degrees

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Grace [21]

Answer:5,6

Step-by-step explanation:

4 0
3 years ago
How do u solve this algebra problem 5n=20
tatyana61 [14]
5n=20 means 5 multiplied by "n" is equal to 20

20 divided by 5 equals 4

5 multiplied by 4 equals 20

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3 0
3 years ago
This is due today, and I have no idea what I'm doing, please help if you know anything.
defon

Binomial distribution formula: P(x) = (n  k) p^k * (1 - p)^n - k

a) Probability that four parts are defective = 0.01374

P(4 defective) = (25 4) (0.04)^4 * (0.96)^21

P(4 defective) = 0.01374

b) Probability that at least one part is defective = 0.6396

Find the probability that 0 parts are defective and subtract that probability from 1.

P(0 defective) = (25 0) (0.04)^0 * (0.96)^25

P(0 defective) = 0.3604

1 - 0.3604 = 0.6396

c) Probability that 25 parts are defective = approximately 0

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P(25 defective) = approximately 0

d) Probability that at most 1 part is defective = 0.7358

Find the probability that 0 and 1 parts are defective and add them together.

P(0 defective) = 0.3604 (from above)

P(1 defective) = (25 1) (0.04)^1 * (0.96)^24

P(1 defective) = 0.3754

P(at most 1 defective) = 0.3604 + 0.3754 = 0.7358

e) Mean = 1 | Standard Deviation = 0.9798

mean = n * p

mean = 25 * 0.04 = 1

stdev = \sqrt{np(1-p)}

stdev = \sqrt{(25)(0.04)(1-0.04)} = 0.9798

Hope this helps!! :)

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3 years ago
A 13​-foot ladder is placed against a vertical wall of a​ building, with the bottom of the ladder standing on level ground 5 fee
Tanzania [10]
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5^2 + b^2 = 13^2  
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169- 25 = 144    
 \sqrt{144}  Sqaure root of 144 is 12 so If we plug that in..
 25 + 144 = 169 
5^2 + 12^2 =13^2 
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~Hope This helps
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2 years ago
Quanto fica 8.000 reais em dólares ?
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