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Mkey [24]
3 years ago
6

Triangle Abc is right triangle, and the measure of angle A is 28 percent what are the measure of two angles

Mathematics
2 answers:
Galina-37 [17]3 years ago
7 0

If one of the angles is 28 degrees, then another is 90 degrees. Subtract 90 and 28 from 180 to get the final measurement. The last angle would be 62 degrees

balu736 [363]3 years ago
4 0

The other two angles are each 76 degrees because a triangle has 180 degrees total minus the 28 divided by the two angles left.

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Read 2 more answers
A researcher wishes to estimate the number of households with two cars. How large a sample is needed in order to be 99% confiden
solmaris [256]

Answer:

Sample size n = 1382

so correct option is D) 1382

Step-by-step explanation:

given data

confidence level = 99 %

margin of error = 3%

probability = 25 %

to find out

How large a sample size needed

solution

we know here P = 25 %

so 1 - P = 1 - 0.25

1 - P  = 0.75

and we know E margin of error is 0.03 so value of Z for 99%

α = 1 - 99%   = 1 - 0.99

α  = 0.01

and  \frac{\alpha}{2} = \frac{0.01}{2}

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Sample size n =  (\frac{(Z_(\frac{\alpha}{2})}{E})^2 * P * (1-P)

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