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lakkis [162]
2 years ago
5

Which of the following statement is not a reason for sampling?

Mathematics
1 answer:
VladimirAG [237]2 years ago
3 0

Answer:

Studying every single instance of a thing is impractical or too expensive

Step-by-step explanation:

With sampling we a have a lot of data without much effort.

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An angle has a measure of 150° and a terminal side that intercepts the unit circle at (x,y). What are the values of x and y?
V125BC [204]

Answer:

x = -√3 /2

y = ½

Step-by-step explanation:

x = cos 150°= -√3 /2

y = sin 150° = ½

4 0
3 years ago
Two forces with magnitudes of 100 and 50 pounds act on an object at angles of 50° and 160°, respectively. Find the direction and
shusha [124]
Forces in direction x:
 
fx1 = 100 * cos (50) = 64.28
 fx2 = 50 * cos (160) = - 46.99
 The resultant is:
 fx = fx1 + fx2 = 17.29

 Forces in direction y:
 
fy1 = 100 * sine (50) = 76.60
 fy2 = 50 * sine (160) = 17.10
 The resultant is:
 fy = fy1 + fy2 = 93.70
 The magnitude of the resulting force is:
 
f = root (fx ^ 2 + fy ^ 2)
 f = root ((17.29) ^ 2 + (93.70) ^ 2)
 f = 95.28
 The angle is:
 
theta = atan (fy / fx)
 theta = atan (93.70 / 17.29)
 theta = 79.55 degrees
 Answer:
 
The direction and magnitude of the resultant force are:
 
f = 95.28 pounds at theta = 79.55 degrees
6 0
3 years ago
If f(x) = x2 + 1 and g(x) = x - 4, which value is equivalent to (fºg)(10)?
jolli1 [7]

Answer:

2x - 3..... 2*10 - 3 = 17

Step-by-step explanation:

Fog) = g(fx)) = f(x) - 4 => 2x - 3

6 0
3 years ago
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F Mary deposits $275 in principal at an interest rate of 3.2 percent, how much interest will she earn in one
My name is Ann [436]
Interest is 3.20 per 100
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Sonbull [250]

i believe the answer is y = -2x + 6

3 0
2 years ago
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