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crimeas [40]
3 years ago
12

Unit 7 homework 5 Gina Wilson

Mathematics
2 answers:
Mazyrski [523]3 years ago
7 0
????? There is no question so update your answer please :/
OlgaM077 [116]3 years ago
4 0
Huh??? Where is the question?
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The diagram shows a circular pond, of radius r metres, surrounded by a circular path.The circular path has a constant width of 1
Alenkasestr [34]

The formula for calculating the area of a circle is expressed as;

A = πr²

  • Area of the pond = πr²
  • Area of the path = Area of the path + pond - area of pond
  • Area of path = π(r+1.5)² - πr²

Since the  area of the path is equal to the area of the pond, hence;

π(r+1.5)² - πr² = πr²

Add πr² to both sides

π(r+1.5)² - πr² + πr² =  πr² + πr²

π(r+1.5)² = 2πr²

(r+1.5)² =   2r²

Expand the parenthesis

r²+3r + 2.25 = 2r²

r²+3r + 2.25 - 2r² = 0

-r² + 3r + 2.25 = 0

r² - 3r - 2.25 = 0

Multiply through by 2

2r² - 6.0r - 4.5 = 0

<em>This proves the required equation</em>

<em />

Learn more on area of composite figures here: brainly.com/question/15981553

3 0
3 years ago
Can you help me with this question please
vaieri [72.5K]
To get the answer, divide 55 by 610. the answer would be 11.09 i’m pretty sure
5 0
3 years ago
Can you guys help with me
Anika [276]

Answer:

x=8

Step-by-step explanation:

4 0
3 years ago
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Write an absolute value function that shifted 2<br> units right.<br><br> HELPPPP
iVinArrow [24]

Answer: (a)

Step-by-step explanation:

Suppose the original function is y=\left | x \right |

To shift it 2 units right, replace x by x-2 such that

\Rightarrow x-2=0\\\Rightarrow x=2

So, the function becomes y=\left | x -2\right |

4 0
3 years ago
Log (x) + log (x + 5) = log (6 x + 12) <br><br> I need the answer asap
kiruha [24]
It’s b I had it in my test
5 0
3 years ago
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