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Anestetic [448]
2 years ago
14

WILL GIVE BRAINLIEST! PLEASE HELP ASAP!

Mathematics
2 answers:
jok3333 [9.3K]2 years ago
7 0
Choose the answer is c 1/2
Nina [5.8K]2 years ago
6 0

Answer: C 1/2

Step-by-step explanation:

4x2=8   16-8=8

8/16 simplified = 1/2

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A circular swimming pool has diameter 60 feet and is centered in a fenced-in square region measuring 80 feet by 80 feet. a concr
borishaifa [10]
If I read the question correctly, the information about the 80x80 fencing and the grass region are all irrelevant information. 

In order to find the area of the side walk we are going to use the formula A=pi(r^2) where r = the radius. The diameter of the pool is 60 feet and the the sidewalk is 5 feet bigger all around meaning we had 5 feet to both sides of this 60 feet giving you an overall diameter of 70 feet (or 60 + 5*2). To find the radius take half of the diameter. 70/2 = 35. 

Now we plug in 35 to the equation. A = Pi(35^2) = 1225pi. Leave your answer like this as we are not finished and will need to round at the end for an accurate answer. This is NOT the end, that number is the area of the sidewalk AND the pool.

The sidewalk is not a full circle, just a border so we now have to find the area of the actual pool and subtract it from this 1225pi for the sidewalk's area. Same formula, Area = pi(r^2). The diameter of the pool is 60 meaning the radius is 30 (or 60/2). Plug into the equation, pi(30^2) = 900pi.

Now do 1225pi - 900pi to get 325pi. Break out your calculator and hit the approximation button. 325pi is approximately 1021.018 if rounded to 3 decimal places.

The area of the 5-foot wide sidewalk encircling the pool is approximately 1021.018 square feet. 


5 0
3 years ago
<img src="https://tex.z-dn.net/?f=frac%7Bx%5E%7B2%7D%20%7D%7Bx-1%7D" id="TexFormula1" title="frac{x^{2} }{x-1}" alt="frac{x^{2}
ICE Princess25 [194]

Answer:

\frac{ {x}^{2} }{(x - 1)}  =  \frac{ {x}^{2}(x + 1) }{( {x}^{2}  - 1)}  \\  =   \frac{( {x}^{3}  +  {x}^{2}) }{( {x}^{2} - 1) }

5 0
2 years ago
Please help me i’m dumb
Mars2501 [29]

35° is the degree of that angle.

All triangles are supposed to be 180° with all the angles put together.

35° plus 90° and 55°

= the angles of that triangle.

5 0
2 years ago
Latisha works x hours each day. Demetrius works 1 more hour each day than Latisha.
snow_tiger [21]

The expressions that can be used to calculate both numbers of hours Demetrius works in 5-day work week is 5(x + 1)  and 5x + 5

We are being told that Latisha works x hours each day and Demetrius works 1 more hour each day than Latisha.

So,

  • Let the amount of works done by Latisha be = x
  • Then, the amount of works done by Demetrius will be = x + 1

Thus, the both expression that can determine the number of hours Demetrius works in five days is:

= 5(x + 1)  and 5x + 5

This is because if we open the bracket from 5(x+1) and multiply each term in the bracket with 5, we end up having 5x + 5.

  • 5 times open paren x plus 1 close paren and 5 x plus 5 is correct.

Learn more about word problems here:

brainly.com/question/2610134?referrer=searchResults

3 0
2 years ago
Why is this answer correct?​
ohaa [14]
Your answer is highly correct
4 0
3 years ago
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