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elena-14-01-66 [18.8K]
3 years ago
12

A windmill on a farm rotates at a constant speed and completes one-half of a rotation in 0. 5 seconds. What is its rotation spee

d?
SAT
1 answer:
vesna_86 [32]3 years ago
6 0

Answer:

The angular velocity is the rotation speed, which is the angle of rotation

of the windmill per second, which is 2·π radians.

Explanation:

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If (x2 – 4) ÷ (x 2) = x – 2, which polynomial should fill in the blank below? (x 2) ´ ______ = x2 – 4 x2 – 4 x – 2 x 2 x2 – 2
bezimeni [28]

Answer:

x - 2

Explanation:

(x + 2) __x – 2__ = x2 - 4

5 0
2 years ago
find the area under the standard normal curve that lies outside the interval between z=-2.73and z=-1.39
Natasha_Volkova [10]

Answer:

0.9209

Explanation:

For a  normally distributed random variable,  the only way to find areas is using the z score. The z score is given by the equation:

z=\frac{x-\mu}{\sigma}

Where μ is the mean, σ is the standard deviation and x is the raw score to be measured.

The area under the standard normal curve that lies between the interval z=-2.73 and z=-1.39

From the z table, Area between -2.73 and -1.39 = P(z < -1.39) - P(z < -2.73) = 0.0823 - 0.0032 = 0.0791

Since the Area between -2.73 and -1.39 is 0.0791, the are outside the interval = 1 - 0.0791 = 0.9209

4 0
3 years ago
How will the Fed's policy action change the money supply
Oduvanchick [21]

Answer:  The Fed can influence the money supply by modifying reserve requirements, which generally refers to the amount of funds banks must hold against deposits in bank accounts. By lowering the reserve requirements, banks are able to loan more money, which increases the overall supply of money in the economy.

Explanation:pls like

5 0
2 years ago
the relationship between group size and percent woodland appears to be negative and nonlinear. which of the following statements
Aloiza [94]

The statement that explains such a relationship is that as the percent of woodland increases, the number of deer observed in a group decreases quickly at first and then more slowly

  • Nonlinear relationship is a type of relationship that changes that takes place in the output change not in direct proportion to alterations (changes) in any of the inputs.
  • This type of relationship does not produce any straight line but produces a curve line.
  • Negative relationship  is simply known as negative or inverse correlation that occurs between two variables. That is when that one variable increases, the other decreases, and vice-versa. As in the case of the woodland and the beer. When woodland increases, the deer decreases and vice versa

Conclusively, we can say that as the statement that explains such a relationship is that as the percent of woodland increases, the number of deer observed in a group decreases quickly at first and then more slowly

Learn more from:

brainly.com/question/18101129

3 0
3 years ago
How can i graph the equation using the slope and the y intercept y=7/4x+2
Lelu [443]

Since you already have the equation, all you need to do is pick two values of x.

For example, when x = 0, you get y = 7/4(0) + 2 = 2. So the line passes through the point (0, 2). When x = 4 (picked to cancel the 4 in the fraction), you get y = 7/4(4) + 2 = 9, so the line also passes through the point (4, 9).

You can describe an entire line by any two points that it contains. So plot these two points, then connect the dots with a line passing through them both.

3 0
3 years ago
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