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PolarNik [594]
3 years ago
12

HELP ASAP PLEASE !!!!!!!!!!!!!!

Mathematics
1 answer:
Damm [24]3 years ago
3 0

Answer:

Step-by-step explanation:

Think of drawing a right triangle, with the hypotenuse connected to points A and B.  The hypotenuse, or the distance between A and B is 2√10.  2√10 is the same thing as √40.  Thus, because of Pythagorean theorem, a^2 + b^2 = 40. One combination would be a=2 and b = 6 and another would be a = 6 and b = 2.  Thus, the two places point B could be are (3,7) and (7,3).

Hope it helps <3

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Answer:

B, 2,010

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3 years ago
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A top-loading washing machine has a cylindrical basket that rotates about a vertical axis. The basket of one such machine starts
damaskus [11]

Answer:

n_{tot}=44rev

Step-by-step explanation:

In order to solve this problem we can make use of the following formula:

\theta=(\frac{\omega_{f}+\omega_{0}}{2})t

where θ is the total angle the basket has turned, ω is the angular velocity and t is the time.

Generally theta is written in radians and omega is written in radians per second. Now, since the revolutions are directly related to the radians and they want us to write our answer in revolutions, we can directly use the provided speeds in the formula, so we can rewrite it as:

n=(\frac{f_{f}+f_{0}}{2})t

where n represents the number of revolutions and f is the frequency at which the basket is turning.

The movement of the cylindrial basket can be split in two stages, when it accelerates and when it decelerates. So let's analye the first stage:

n=(\frac{4rev/s+0}{2})(9s)=18rev

and now let's analyze the second stage, where it decelerates, so we get:

n=(\frac{0rev/s+4rev/s}{2})(13s)=26rev

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n=18rev+26rev=44rev

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3 years ago
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1. What is the hypothesis for this conditional statement? If a number is even then it is divisible by 2.
liubo4ka [24]

Answer:

If a number is even is the conditional statement.

Step-by-step explanation:

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3 years ago
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