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2 years ago

Work out the value of angle x.

Mathematics

2 answers:

Thepotemich [5.8K]2 years ago

8 0

X=45

We already know that one angles is 90 degrees and that the full degrees inside a triangle is 180

So minus 90 from 180 and you get 90.

Since the other two angles are congruent that means they have the same measure so divide 90 by 2 to get the measure of both angles which is your answer

Anestetic [448]2 years ago

8 0

Answer:

The answer is 45 degree.

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A survey about phone service has a margin of error of 5%. Out of 150 people surveyed, 103 said that they were pleased with their

lapo4ka [179]

Answer:

The range of the number of people that are satisfied is option A. 46,968 to 51,912 customers.

Step-by-step explanation:

Hi, to solve this problem you need to calculate the total number of customers that are pleased with the service, based on the 150 people sample.

so:

(72,000 x 103 )÷150 = 49,440

The next step is to calculate the 5% margin of error of that result.

49,440 x 0.05= 2,472

Finally, to obtain the range you need to add and subtract the margin to the total number of customers that are pleased with the service.

49,440-2,472= 46,968

49,440 + 2,472=51,912

So, the range of the number of people that are satisfied is option A. 46,968 to 51,912 customers.

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OLEGan [10]

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2 years ago

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2 years ago

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velikii [3]

Answer:

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Step-by-step explanation:

Let

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2 years ago