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Anna007 [38]
2 years ago
11

(a) Find the standard error of the mean for each sampling situation (assuming a

Mathematics
1 answer:
Fed [463]2 years ago
7 0

Answer:

a

Step-by-step explanation:

ok

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The diagonal of a TV is 30 inches long. Assuming that this diagonal forms a pair of 30-60-90 right triangles, what are the exact
Nutka1998 [239]
The ratio of sides for a 30 : 60 : 90 =  1 : √3 :2.

Note the 90 degrees represent the hypotenuse, which in this case is 30 inches.

<span>1 : √3 :2 =  x : y : 30
</span>
To get 1, on the left side, we simply divide 2 by 2

Similarly x = 30/2 = 15.

To get √3, on the left side, we simply multiply 1 by √3

Similarly y = 15 * √3 = 15√3

<span>Therefore the length and width respectively are </span>15 and 15√3 inches<span> </span>
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3 years ago
Answer all these guestions corectly and i will be so thankfull and will mark u brainiest.
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1) A = π r² = 22/7 x 10² = 314.28 in²

2)A = π r² = 22/7 x 9² = 254.57 mm²

3) radius = 1/2 diameter
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4)A = π r² = 22/7 x 14² =616 cm²


5) radius = 1/2 diameter
r = 1/2 x 1.5 = 0.75 ft

A = π r² = 22/7 x 0.75² = 1.76 ft²
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About 4 invitations where to her family
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Divide: 11 and 509,223 I Dont have a callculator to solve it
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Step-by-step explanation:

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