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MissTica
3 years ago
10

The perimeter of a quarter circle is 27.132 feet. What is the quarter circle's radius?

Mathematics
1 answer:
Fittoniya [83]3 years ago
4 0
I hope this helps! Also, circumference is the same as perimeter

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Solve the system of equations below x-2y=3 <br><br> 2y-3y=9
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First you solve 2y-3y=9.
2y - 3y = 9 \\ subtract \: 2y \: and \: 3y \\  - y = 9 \\  divide \: by \:  - 1 \\ y =  - 9
Now that you have y, then you substitute y into x-2y=3 to find X

x - 2( - 9) = 3 \\ multiply \:  - 9 \times  - 2 \\ x + 18 = 3 \\ subtract \: 18 \: on \: both \: sides \\ x =  - 15
Your solution is (-15, -9)
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3 years ago
the number is less than 20. it is an odd one-digit number. it is not the number of sides of a triangle. It can be divided by thr
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Dancing Pools sells swimming pools in 4 sizes. The small pool is 72 feet long and 16 feet wide. The medium pool is 80 feet long
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Answer:

b

Step-by-step explanation:

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Use the distributive property to expand the expression. −2(5a − 3b2) − 4b + 3 A) −10a + 6b2 − 4b + 3 B) −10a − 6b2 − 4b + 3 C) −
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The answer is:  [B]:  " -10a + 6b² − 4b + 3 " .
_____________________________________
Explanation:
____________________
Given:
____________________________
  -2(5a − 3b²) − 4b + 3 ;  
_________________________________
    "Use the distributive property [of multiplication] to expand the expression."
______________________________________________
Note the distributive property of multiplication:
______________________________________________
           a(b + c) = ab + ac ;
           a(b − c) = ab − ac ;
______________________________________________
So, we have:  " -2(5a − 3b²) − 4b + 3 "  ;
______________________________________________

Start  with:  " -2(5a − 3b²) " ; 
______________________________________________ 
 
   -2(5a − 3b²)  =  (-2*5a) − (-2*3b²)  =  (-10a) − (-6b²)
 
           =  -10a + 6b²
________________________________________________
        → Now, bring down the rest of the problem; 
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  -10a + 6b² − 4b + 3 ;  which is:  Answer choice:  [B].
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7.6 is 40% of what number
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