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agasfer [191]
4 years ago
9

The height of the Empire State Building is 318.00 meters. If a stone is dropped from the top of the building, what is the stone'

s velocity just before it strikes the ground?
Mathematics
1 answer:
Sladkaya [172]4 years ago
5 0
The height of the Empire State Building is 318.00 meters. If a stone is dropped from the top of the building, what is the stone's velocity just before it strikes the ground? 

Answer: In order to find the stone’s velocity just before it strikes the ground we will use one of the free fall equations. V = √(2gh). We already have the values needed which are the gravity (9.8 m/s2) and our total height (318 meters). All you have to do is solve for V. You should get 78.95 m/s. 
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A rectangular swimming pool is 15 feet long and x feet wide. What is the perimeter when x=12 feet
Arisa [49]

Answer: 54 square feet

Step-by-step explanation:

To find perimeter of a rectangle we must use the formula l+l+w+w=p where l and w represent width and length

Since we know length and width is x=12 just substitute so

15+15+12+12=54 so 54 is the perimeter

5 0
3 years ago
If you lived in a hobbit house and had a round window that needed? trim, how much trim would be needed to go around a window wit
katen-ka-za [31]

Answer:

To find out how much trim you would need for the window, you would need to calculate the Circumference.

Step-by-step explanation:

<u>Circumference</u> is the length around a circle and is calculated using the following formula.

C = 2\pi r

In which C is the circumference and r is the radius. Since we already know the radius all we have to do is plug it into the equation and solve for C.

C = 2\pi (4.2)

C = 26.389 ft

<u>Answer:</u> The window has a Circumference of 26.389 feet so you would need that amount of trim to fit the area around the window.

Hope my answer would be a great help for you.    

If you have more questions feel free to ask here at Brainly.  

4 0
3 years ago
What is the factored form of r^27 - s^30
svlad2 [7]

Answer:

(r^9-s^10) (r^18+r^9 s^10 + s^20)

Step-by-step explanation:

hope this helps :)

8 0
4 years ago
On the graph shown, what is the slope ?
mr_godi [17]

Answer:

3/4

Step-by-step explanation:

To find the slope using a line on a graph, calculate the difference between two points. To do so, use the formula y2 - y1/x2 - x1.

Two points on this line are (0, -1) and (4, 2). This means:

y2 = 2

y1 = -1

x2 = 4

x1 = 0

Plugging those values in, we get:

2 - (-1)/4 - 0

Evaluating 2 - (-1) and 4 - 0, we get 3/4. Therefore, the slope is 3/4.

8 0
3 years ago
Harpo, Groucho, Chico, Zeppo, Gummo and Karl are the finalists in the fabulous Clearers’ Publishinghouse sweepstakes.
Aleksandr-060686 [28]

Answer:

ADGTSGADADASDAWDSDWA

Step-by-step explanation:

AADASDWADS

4 0
3 years ago
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