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yanalaym [24]
3 years ago
11

If ABC congruent to GHI what us the length of Gh

Mathematics
2 answers:
otez555 [7]3 years ago
4 0
The length is 13 for your answer
Vedmedyk [2.9K]3 years ago
3 0
13

I hope that helped.
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Give me the equations
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3 years ago
Trials in an experiment with a polygraph include 97 results that include 23 cases of wrong results and 74 cases of correct resul
o-na [289]

Answer:

H0:p= 0.80                 H1: p< 0.80  one tailed test

Step-by-step explanation:

We state the null and alternative hypotheses as that the results are 80 % against the claim that the results are less than 80%.

H0:p= 0.80                 H1: p< 0.80  one tailed test

p2= 0.8 , p1= 74/97= 0.763

q1= 1-0.763= 0.237    q2= 0.2

The level of significance is 0.05 .

The Z∝= ±1.645 for ∝= 0.05

The test statistic used here is

Z= p1-p2/ √pq/n

Putting the values:

Z= 0.763 -0.8 / √ 0.8*0.2/97

z= -0.037/ 0.0406

z= -0.9113

The Z∝ = ±1.645 for ∝= 0.05 for one tailed test.

As the calculated value  does not fall in the critical region  we fail to reject the null hypothesis. There is not sufficient evidence to support  the claim that such polygraph results are correct less than 80% of the time.

Using the normal probability table.

P (Z <  -0.9113)= 1- P(z= 0.9311) = 1- 0.8238= 0.1762

If P- value is smaller than the significance level reject H0.

0.1762> 0.005  Fail to reject H0.

8 0
3 years ago
If cosA+sinA=√2, then prove A=45°.
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Answer:

1/2 now substitute 45 degrees

Step-by-step explanation:

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2 years ago
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It’s either vertex or base
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(a) 20,000 × 5/100 × 4 = $4000( interest)



(b) 20000 × 5/100 × 2 = $2000 (interest)


How much do you save = $4000 - $2000 = $2000

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3 years ago
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