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Rudik [331]
2 years ago
13

What is the arc length of the crust of half of a pizza that is 6 inches in diameter? show all work

Mathematics
1 answer:
miss Akunina [59]2 years ago
6 0
First, you find the circumference of the full pizza.
C=d * pi
C=6pi
Then you divide it by two, because it is half of a pizza.
C=3pi

Therefore, the arc length of the crust of half a pizza is 3pi inches.
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The height of a triangle is 4 m less than its base. The area of the triangle is 48 m².What is the length of the base?
yaroslaw [1]

Triangle Area = .5 * base * height

48 = .5 * (x +4) * x

48 = (.5x + 2) * x

48 = .5x^2 + 2x

.5x^2 + 2x -48 = 0

x = 8

base = 12

5 0
3 years ago
Read 2 more answers
A triangle has two angles that measure 18.6 degrees and 113.4 degrees respectively. what is the measure of the third angle?
spin [16.1K]

Answer:

x = 48

Step-by-step explanation:

18.6 + 113.4 + x = 180

132 + x = 180

x = 180 - 132

x = 48

5 0
3 years ago
What is -5/6 + -5/6? (its ment to be a fraction)
maks197457 [2]
The answer is:  " -5/3 " ;  or, write as:  " -1 ⅔ " .
_____________________________________________
Explanation:
_____________________________________________

   (-5/6) + (-5/6) = (-5/6) <span>− (5/6) ;  

------>  {since: "adding a negative" is the same a "subtracting a positive"} ; 

------> </span> (-5/6) − (5/6) = (-5 − 5) / 6  ;
  
                                  =   -10/6 =  (-10/2) / (6/2) ;
_____________________________________________________
                                  =   " -5/3 " ;  or, write as:  " -1 ⅔ " .
_____________________________________________________
8 0
3 years ago
what is the area of a circle with radius of 7cm using 3.14 for pi and round to he nearest tenth plz hurry
Sophie [7]

Answer:153.9 cm

Step-by-step explanation:

The area of a circle is found by pi × radius squared and pi is aprox 3.14 so 3.15×7² = 153.86 then round off to the nearest tenth you get 153.9

5 0
3 years ago
Read 2 more answers
Solve the quadratic equation for x in the simplest equation -6x^2+15x+9=0
-BARSIC- [3]

Answer:

Step-by-step explanation:

-6x²+15x+9=0

divide by -3

2x²-5x-3=0

2x²+x-6x-3=0

x(2x+1)-3(2x+1)=0

(2x+1)(x-3)=0

either x=-1/2

or x=3

8 0
2 years ago
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