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exis [7]
3 years ago
9

The diameter of a circle is 10 meters. What is the area of the circle? (Use 3.14 for Pi and round to the nearest tenth.)

Mathematics
2 answers:
melomori [17]3 years ago
7 0

Answer:

Choice 3

Step-by-step explanation:

A=pi*r squared

Diameter= 10, 10/2= 5

Radius=5

A=pi* (5)^2

A= 78.54...

The area of the circle is 78.5 meters squared.

Butoxors [25]3 years ago
5 0

Answer:

Area of a circle=pi*(radius)^2

Diameter=2*radius

=> radius=5 m

Area=3.14*(5)^2=3.14*25=78.5 m^2

Step-by-step explanation:

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There are 2.54 cm in 1 inch.  Since we are estimating, we can round the average growth per year to .5 cm which would give you roughly 5 years per inch of diameter (2.5 / .5 = 5).  Since we have a tree with a 4 inch diameter, we can estimate the age of the tree is...

4 inches x 5 years/inch = 20 years old.
8 0
3 years ago
Stuck on question 1, can anyone help???
poizon [28]

'A' is the square root of 25. That's 5, so take A=5 with you
as you go to the next step.

B is A³.   A³ means (A x A x A).  We know that 'A' is 5, so 'B' is (5x 5 x 5) = 125 .
Take B=125 with you to the next step.

'C' is  B - 25.  We know that  'B'  is 125.  So  C = (125 - 25) = 100 .
Take  C=100  with you to the next step.

'D' is the square root of  'C'.  We know that C=100, so  D = √100 .
The square root of 100 is 10, so  D=10.
Take  D=10  with you to the next step .

'E' is  D+39.  We know that  D=10.  So  E=(10+39) = 49 .
Take  E=49 with you to the last step.

'F' is the square root of 'E'.  We know that E=49.


7 0
3 years ago
Read 2 more answers
WILL MARK BRAINLIEST.
Varvara68 [4.7K]

Answer:Team C

Step-by-step explanation: By looking at the graph i can tell that team c has more dots on the larger side of the line.

4 0
3 years ago
hii can u pls help me in math pls I'm stuck it fractions I give many point btw!! I give brainliest!!​
Effectus [21]

7/12 ×11

it's like

7/12×11/1

so it will be 77/12

hope it helps

that's all I know

4 0
2 years ago
Read 2 more answers
If I have a <img src="https://tex.z-dn.net/?f=4%20%5Ctimes%204" id="TexFormula1" title="4 \times 4" alt="4 \times 4" align="absm
SOVA2 [1]

Answer:

576 ways

Step-by-step explanation:

There are 4 choices for the column of pawn in the 1st row

There are 3 choices for the column of pawn in the 2nd row,

There are 2 choices for the column of pawn in the 3rd row, and

There is 1 choice for the column of the pawn in the 4th row

Which gives a total of 4! = 24

Also, the pawns are distinct, so there are 4! ways to place them in these chosen positions;

4! = 24

So, there are 24 * 24 possible ways

= 576 ways

7 0
3 years ago
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