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Masja [62]
3 years ago
10

The area A of a circle as a function of its diameter d; the area of a circle of diameter 4

Mathematics
1 answer:
choli [55]3 years ago
4 0

Answer:

The formula used to calculate circle area is: A = π x (ø/ 2) 2. Symbols. A = Circle area; π = Pi = 3.14159… ø = Circle diameter; Diameter of Circle. Enter the diameter or two times the radius of a circle. Area of Circle. This is the area contained within a circle with the specified diameter.

Step-by-step explanation:

If JavaScript is not working on your browser, or in case you are simply curious, here is the procedure for calculating the diameter of a circle from its area. For an example, we have an area of 303,000 square meters.

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Different ways to solve x+4=13
faltersainse [42]
One way is to move the 4 to other side so it would be x = 13 - 4 and that's x = 9
5 0
3 years ago
Please Help me ASAP i need to turn it in, in like 10 min. Please answer the questions in the screenshot ill give u 20 points Tha
Delvig [45]

Answer:

for #1 its the 1st and 4th box

for # 2 it's 13.5 and 20.25

Step-by-step explanation:

1st box - 10 ÷ 5 = 2 and 25 ÷ 5 = 5

4th box - 10 x 2 = 20 and 25 x 2 = 50

you have to make sure that you do the same thing for both sides of the equation

6 x 2.25 = 13.5

9 x 2.25 = 20.25

Dilation is an enlarging or shrinking of a math figure using a specific scale factor

multiply your numbers by that given scale factor to give you your answer of option 2

hope this is right I'm not completely positive about the send one.

4 0
3 years ago
How many solutions exist for the given equation?
zmey [24]
<h3> Answer </h3>

x = 2

<h3>Step by step</h3>

1/2(x + 12) = 4x - 1

1/2x + 12/2 = 4x - 1

1/2x + 6 = 4x - 1

1/2x - 4x = -1 - 6

1/2x - 8/2x = -7

-7/2x = -7

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x = 2

8 0
3 years ago
Determine the density of the rock using correct significant digits. The mass of the rock is 25.69 g.
Dvinal [7]
Density = mass / volume

Mass = 25.69g and Volume = 10 mL

D = 25.69g / 10mL 

Density = 2.569 g/mL
5 0
3 years ago
A toy manufacturer uses 1,000 plastic wheels to make 250 toy trucks. If they use 3,584 plastic wheels in an 8 hour shift, how ma
Bad White [126]

Answer:

112 trucks

Step-by-step explanation:

so you take ratio:

1000-250

3584-x

x=896

and after you divide 896 by 8 hours and get 112

hope it helped you

8 0
3 years ago
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