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Airida [17]
3 years ago
14

Researchers sample 9000 households concerning TV shows they watch. Based on the sample 14​% reported watching 60 Minutes. What i

s the​ 95% confidence interval for the proportion of all Americans that watch 60​ Minutes?
Mathematics
1 answer:
svetlana [45]3 years ago
8 0

Answer:

What is centripetal acceleration?

Can an object accelerate if it's moving with constant speed? Yup! Many people find this counter-intuitive at first because they forget that changes in the direction of motion of an object—even if the object is maintaining a constant speed—still count as acceleration.

Acceleration is a change in velocity, either in its magnitude—i.e., speed—or in its direction, or both. In uniform circular motion, the direction of the velocity changes constantly, so there is always an associated acceleration, even though the speed might be constant. You experience this acceleration yourself when you turn a corner in your car—if you hold the wheel steady during a turn and move at constant speed, you are in uniform circular motion. What you notice is a sideways acceleration because you and the car are changing direction. The sharper the curve and the greater your speed, the more noticeable this acceleration will become. In this section we'll examine the direction and magnitude of that acceleration.

The figure below shows an object moving in a circular path at constant speed. The direction of the instantaneous velocity is shown at two points along the path. Acceleration is in the direction of the change in velocity, which points directly toward the center of rotation—the center of the circular path. This direction is shown with the vector diagram in the figure. We call the acceleration of an object moving in uniform circular motion—resulting from a net external force—the centripetal acceleration

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Answer:1.01

Step-by-step explanation:

5 0
3 years ago
the body of the great roadrunner is 16 inches long .it's tail is another 8 inches. the total length is 4 times longer than a lov
Westkost [7]
16 + 8 = 24. 24 ÷ 4 = 6. 24 = Roadrunner. 6 = Lovebird
The Lovebird is 6 inches long

7 0
3 years ago
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Use the data in the table to write a multiplication story for the number fact. Solve 2x6=
Afina-wow [57]
6*2=12.
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4 0
3 years ago
A copy machine makes 136 copies in 4 minutes and 15 seconds. How many copies does it make per minute?
Dahasolnce [82]

Answer:

The copy machine makes 32 copies per minute.

Step-by-step explanation:

Given that a copy machine makes 136 copies in 4 minutes and 15 seconds, to determine how many copies does it make per minute, the following calculation must be performed:

15 seconds = 0.25 minutes

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Therefore, the copy machine makes 32 copies per minute.

8 0
3 years ago
4) If the perimeter of a square is 48cm",
Mila [183]

Answer:

If the total perimeter of square is 48 cm, then the length of one side is equal to 48 divided by 4, since all sides of a square are the same.

So, the correct answer is 12.

Let me know if this helps!

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