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patriot [66]
2 years ago
12

Circumference of the circle

Mathematics
1 answer:
dimulka [17.4K]2 years ago
8 0

Answer:

The formula of circumference in a circle is 3.14 times diameter.

Step-by-step explanation:

3.14×20=62.8

The circumference is 62.8

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Complete the reasons for the proof (please help this makes no sense and i just need to finish this assignment)​
wariber [46]
I hated doing that stuff, it was a pain for me
6 0
3 years ago
2xsquare-6x+3=0 by completing square method
Arturiano [62]

Answer:

x = 2.36603 or 0.633975

Step-by-step explanation:

Here we want to solve the quadratic equation using the completing the square method.

2x^2-6x + 3 = 0

divide through by 2 first;

x^2 -3x + 3/2 = 0

x*2 -3x = -3/2

Half the x term will be -3/2 and squaring it is 9/4

we add this to both sides

x^2-3x/2 + 9/4 = -3/2 + 9/4

(x-3/2)^2 = 3/4

Finding square root of both sides

x-3/2 = √(3/4)

x = 3/2 ± √(3/4)

x = 3/2 + √(3/4) or x = 3/2-√(3/4)

which becomes

x = 2.36603 or 0.633975

5 0
3 years ago
Given: tangent to Circle O.<br><br> If m C = 57°, then m BDR =
Romashka-Z-Leto [24]
∠BCD = 57°
∴ ∠BDR = ∠BCD = 57° (angle that meets the chord and the tangent is equi-angular to the angle at the alternate segment)
8 0
3 years ago
1.
Nana76 [90]

Answer:

12 feet

Step-by-step explanation:

Area of a Rectangle: l × w

84 ft² = l × 7 ft

Length = 84 ft² ÷ 7 ft = 12 feet

Hope this helps.

8 0
3 years ago
Change to an improper fraction 4 2/3=
barxatty [35]
Solutions 

To solve the problem the first step is to m<span>ultiply the whole number by the fraction's denominator (4 x 3).Add the numerator (2) to the product. 

4 * 3 = 12 

12 + 2 = 14 

= 14/3 </span>
4 0
3 years ago
Read 2 more answers
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