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weqwewe [10]
2 years ago
13

The diameter of a circle is 22 miles. What is the circle's area?

Mathematics
2 answers:
Elodia [21]2 years ago
4 0
Answer:
379.94

Explanation :
check out my attached work
Hope it helps, let me know if you have any questions !
Have a nice rest of your day :)

belka [17]2 years ago
4 0

Answer:

379.94 cm2 correct me if im wrong

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Using the numbers 4.3, -1.07, and -2.917, write an expression containing both addition and subtraction that simplifies to a nega
Advocard [28]

Answer:

-1.07+(-2.917)-4.3=-8.287

Step-by-step explanation:

6 0
4 years ago
The combined height of one fir tree and one pine tree is 212121 meters. The height of 444 fir trees stacked on top of each other
Drupady [299]

Answer:

Height of fir tree = 9 meters

height of pine tree= 12 meters

Step-by-step explanation:

The combined height of one fir tree and one pine tree is 21 meters. The height of 4 fir trees stacked on top of each other is 24 meters taller than one pine tree.

Let x be the height of fir tree and y be the height of pine tree

x+y=21

Subtract x from both sides

y=21-x

height of 4 fir trees = pine tree +24

4x=y+24

Substitute 21-x or y in the above equation

4x=21-x+24

Add x on both sides

5x=45

Divide by 5 on both sides

x=9

Now plug in 9 for x and find out y

y=21-x

y=21-9

y=12

Height of fir tree = 9 meters

height of pine tree= 12 meters

4 0
3 years ago
0.0625 as a fraction in simplest form
Zigmanuir [339]
The simplest fraction is 1/16
7 0
3 years ago
Use distributive property to simplify 5 ( 6x - 2 )
uysha [10]
The answer would be 30x-10
6 0
3 years ago
Read 2 more answers
The endpoints of a
Zolol [24]

Answer:

2nd option

Step-by-step explanation:

the equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k ) are the coordinates of the centre and r is the radius

the centre is at the midpoint of the endpoints of the diameter.

The coordinates of the centre is the average of the coordinates of the endpoints.

centre = ( \frac{-4+2}{2}, \frac{7-1}{2} ) = (\frac{-2}{2} , \frac{6}{2} ) = (- 1, 3 )

the radius is the distance from the centre to either of the endpoints

using the distance formula to calculate r

r = \sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2

with (x₁, y₁ ) = (- 1, 3 ) and (x₂, y₂ ) = (2, - 1 )

r = \sqrt{(2-(-1))^2+(-1-3)^2}

  = \sqrt{(2+1)^2+(-4)^2}

  = \sqrt{3^2+16}

  = \sqrt{9+16}

  = \sqrt{25}

   = 5

then equation of circle is

(x - (- 1) )² + (y - 3)² = 5² , that is

(x + 1)² + (y - 3)² = 25

6 0
2 years ago
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