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PilotLPTM [1.2K]
3 years ago
13

Which congruency theorem can be used to prove that △GHL ≅ △KHJ?

Mathematics
2 answers:
xenn [34]3 years ago
6 0

Answer:

B. ASA (Angle-Side-Angle).

Step-by-step explanation:

We have been given a diagram and we are asked to find the congruence theorem, which will prove that △GHL ≅ △KHJ.

Upon looking at our diagram we can see that side length GH of △GHL is equal to side length KH of △KHJ.

We are also given that m\angle HGL=m\angle HKJ.

We can see that \angle GHL is vertical opposite angle of \angle KHJ as they are formed by the intersection of line segments GK and JL. Therefore, m\angle GHL\cong m\angle KHJ, by vertical angles theorem.

We can see that both triangles have two congruent angles and one congruent included side, therefore, △GHL ≅ △KHJ by ASA congruence and option B is the correct choice.

meriva3 years ago
4 0

Answer:

it is b. ASA just took the test

Step-by-step explanation:

1. pick answer B.

2. scroll down to the "submit" or "done" button

3. press button

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The equation tan (x+pi/6) is equal to
Degger [83]

Answer:

(√3 tan x + 1) / (√3 - tan x)

Step-by-step explanation:

tan (x+\frac{\pi }{6})\\= \frac{tan x+\frac{1}{\sqrt{3} } }{1-\frac{tan x}{\sqrt{3} } } \\= \frac{\sqrt{3} tan x + 1}{\sqrt{3} -tan x}

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2 years ago
An automobile manufacturer finds that 1 in every 2500 automobiles produced has a particular manufacturing defect. ​(a) Use a bin
Advocard [28]

Answer:

a) 0.1558 = 15.58% probability of finding 4 cars with the defect in a random sample of 7000 cars.

b) 0.1557 = 15.57% probability of finding 4 cars with the defect in a random sample of 7000 cars. These probabilities are very close, which means that the approximation works.

Step-by-step explanation:

Binomial distribution:

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

Poisson distribution:

In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by the following formula:

P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}

In which

x is the number of sucesses

e = 2.71828 is the Euler number

\mu is the mean in the given interval.

To use the Poisson approximation for the binomial, we have that:

\mu = np

1 in every 2500 automobiles produced has a particular manufacturing defect.

This means that p = \frac{1}{2500} = 0.0004

a) Use a binomial distribution to find the probability of finding 4 cars with the defect in a random sample of 7000 cars.

This is P(X = 4) when n = 7000. So

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 4) = C_{7000,4}.(0.0004)^{4}.(0.9996)^{6996} = 0.1558

0.1558 = 15.58% probability of finding 4 cars with the defect in a random sample of 7000 cars.

(b) The Poisson distribution can be used to approximate the binomial distribution for large values of n and small values of p.

Using the approximation:

\mu = np = 7000*0.0004 = 2.8. So

P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}

P(X = 4) = \frac{e^{-2.8}*(2.8)^{4}}{(4)!} = 0.1557

0.1557 = 15.57% probability of finding 4 cars with the defect in a random sample of 7000 cars. These probabilities are very close, which means that the approximation works.

6 0
3 years ago
What is the answer for the question
kondaur [170]

<em>Answer:</em>

<em> 200.52 m²</em>

<em>Step-by-step explanation:</em>

<em>A = 12² + π·6²/2</em>

<em>= 144 + 36π/2</em>

<em>= 144 + 18×3.14</em>

<em>= 144 + 56.52</em>

<em>= 200.52 m²</em>

<em />

8 0
3 years ago
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