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Klio2033 [76]
3 years ago
5

Please answer correctly! I will mark you as Brainliest! The pictures go together!

Mathematics
2 answers:
erma4kov [3.2K]3 years ago
7 0

Answer:

9π

Step-by-step explanation:

D = r/2 = 6

r = 3

A = r²π

9π = A

HACTEHA [7]3 years ago
3 0

Answer:

Explanation:

Hope you get it!

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Theres more then one! wich of these numbers are written in scientific notation!
mariarad [96]

Step-by-step explanation:

0.92×10^3

I think it helps you

6 0
3 years ago
Help....gn l my ljvjgvohUh l
timofeeve [1]

Answer:

y-8

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4 0
3 years ago
A 2.2 kg ball strikes a wall with a velocity of 7.4 m/s to the left. The ball bounces off with a velocity of 6.2 m/s to the righ
Naya [18.7K]

Answer:

The constant force exerted on the ball by the wall is 119.68 N.

Step-by-step explanation:

Consider the provided information.

It is given that the mass of the ball is m = 2.2 kg

The initial velocity of the ball towards left is 7.4 m/s

So the momentum of the ball when it strikes is = 2.2\times 7.4=16.28

The final velocity of the ball is -6.2 m/s

So the momentum of the ball when it strikes back is = 2.2\times -6.2=-13.64

Thus change in moment is: 16.28-(-13.64)=29.92

The duration of force exerted on the ball t = 0.25 s

Therefore, the constant force exerted on the ball by the wall is:

\frac{29.92}{0.25}=119.68

Hence, the constant force exerted on the ball by the wall is 119.68 N.

6 0
4 years ago
HELP ME PLS<br> GRADES ARE DUE TODAY
damaskus [11]

9514 1404 393

Answer:

  see attached

Step-by-step explanation:

Most of this exercise is looking at different ways to identify the slope of the line. The first attachment shows the corresponding "run" (horizontal change)  and "rise" (vertical change) between the marked points.

In your diagram, these values (run=1, rise=-3) are filled in 3 places. At the top, the changes are described in words. On the left, they are described as "rise" and "run" with numbers. At the bottom left, these same numbers are described by ∆y and ∆x.

The calculation at the right shows the differences between y (numerator) and x (denominator) coordinates. This is how you compute the slope from the coordinates of two points.

If you draw a line through the two points, you find it intersects the y-axis at y=4. This is the y-intercept that gets filled in at the bottom. (The y-intercept here is 1 left and 3 up from the point (1, 1).)

4 0
4 years ago
What are two different ways of factoring –3x – 9? Select all that apply. A. –3(x + 3) B. 3(x + 3) C. 3(–x – 3) D. –3(x – 3)
Shalnov [3]
A. and C. Are both correct
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4 years ago
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