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irina [24]
3 years ago
14

Expanded form of 5.921

Mathematics
1 answer:
myrzilka [38]3 years ago
3 0
5.000 + .900 + .020 + .001
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Arrange the circles (represented by their equations in general form) in ascending order of their radius lengths. X2 y2 − 2x 2y −
Colt1911 [192]

Circles (represented by their equations in general form) in ascending order of their radius lengths can be arranged as first-fifth-second-forth-third-seventh-sixth.

<h3>What is the equation of circle?</h3>

The equation of the circle is the equation which is used to represent the circle in the algebraic equation form with the value of center point in the coordinate plane and measure of radius.

The standard form of the equation of the circle can be given as,

(x-h)^2+(y-k)^2=r^2

Here (h,k) is the center of the circle and (r) is the radius of the circle.

Lets arrange the first equation, in standard form of equation of circle as,

x^2 +y^2 - 2x+ 2y -1 = 0 \\(x^2 - 2x) +(y^2+ 2y )= 1\\(x^2 - 2x+1) +(y^2+ 2y +1)= 1+1+1\\(x-1)^2+(y+1)^2=(\sqrt{3})^2

The radius of this circle is √(3).

Lets arrange the second equation, in standard form of equation of circle as,

x^2 +y^2 - 4x+ 4y - 10 = 0  \\(x^2 - 4x) +(y^2+ 4y )= 10\\(x^2 - 4x+4) +(y^2+ 4y +4)= 10+4+4\\(x-2)^2+(y+2)^2=(\sqrt{18})^2

The radius of this circle is √(18).

Lets arrange the third equation, in standard form of equation of circle as,

x^2 +y^2 - 8x - 6y - 20 = 0   \\(x^2 - 8x) +(y^2-6y )= 20\\(x^2 - 8x+16) +(y^2- 6y +9)= 10+16+9\\(x-4)^2+(y-3)^2=(\sqrt{45})^2

The radius of this circle is √(45).

Similarly, radius of the forth, fifth, sixth and seventh circle is √(23), √(5), √(117) and √(46) units.

Hence, the circles (represented by their equations in general form) in ascending order of their radius lengths can be arranged as first-fifth-second-forth-third-seventh-sixth.

Learn more about the equation of circle here;

brainly.com/question/1506955

3 0
1 year ago
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Alan has 90 apple tree he has 90 apples and each apple tree how many apples does he have in all?​
Nonamiya [84]

Answer:

8100

Step-by-step explanation: yee yee

6 0
3 years ago
What is Manuel percent grade if he got 23 correct out of 25?
olganol [36]
If he got a 23 out of 25 just divide 23 by 25 and your answer would be

Answer-92%
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3 years ago
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77 over 200 as mixed number as a decimal
e-lub [12.9K]

Every mixed number is (a whole number) + (a piece of another one).
So every mixed number must be bigger than ' 1 ', because ' 1 ' is the
smallest whole number.

77/200  is less than ' 1 ', because the numerator is less than the
denominator.  So it doesn't have what it takes to be a whole number.

Every fraction is a short way to write a division problem. It means

       (the top number) divided by (the bottom number).

When you actually do the division, the answer is the decimal form
of the fraction.

When you divide  77  by  200 , you get  0.385 .


6 0
3 years ago
What is resuls 26+3-7÷2 _________?????​
LiRa [457]

Answer:

11

Step-by-step explanation:

  • 26+3=29
  • 29-7=22
  • 22÷2=11
7 0
3 years ago
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