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tankabanditka [31]
3 years ago
7

A circular plate has circumference 32.7 inches. What is the area of this​ plate? Use 3.14 for pie.

Mathematics
1 answer:
sveta [45]3 years ago
6 0

Answer: 85.13

Step-by-step explanation:

We know:

Circumference = 2*3.14r

Area of a circle = 3.14r²

We need to find the radius given the circumference before solving for the area:

32.7 = 2*3.14r

32.7/6.28 = 6.28r/6.28

r = 5.20700637

Now that we know the radius, we can plug it in to find the area:

A = 3.14(5.20700637)²

A = 3.14(27.1129153)

A = 85.134554

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Complete the equation involving x. Order terms like the physical situation, and don't simplify. A 6 foot wide painting should be
34kurt

Answer:

The space on each side of the painting = 2 feet

Step-by-step explanation:

Attached this answer is a diagram to give you visuals on how the value of x is calculated

Given:

width of wall = 10 feet

width of painting = 6 feet

Since the painting is centred on a wall, there is meant to be an equal space on each side of the painting, from the diagram, the following eaquation can be gotten

x + 6 + x = 10

2x + 6 = 10

2x = 10 - 6

2x = 4

x = 4 ÷2

x = 2 feet

Therefore, the space on each side of the painting = 2 feet

8 0
4 years ago
The perimter of a rectangle is 90 centimeters.the length is 27 centimeters what is the width of the rectangle
Sati [7]

Answer:

  18 cm

Step-by-step explanation:

The perimeter of a rectangle is given by the formula ...

   P = 2(L +W)

Fill in the given information and solve for the width.

  90 = 2(27 +W)

  45 = 27 +W . . . . . divide by 2

  18 = W . . . . . . . . . subtract 27

The width of the rectangle is 18 cm.

3 0
3 years ago
Simplify:<br><br> -15x^9/10x^17
suter [353]

Answer:

-3\2x^8

Step-by-step explanation:

1. x^9/x^17 = 1/x^17-9

2. 3/2x^17-9

3. 3/2x^8

4 0
3 years ago
Subtract:<br>4 4/9-2 7/9<br>​
defon

The answer is

1 2/3:

3 0
4 years ago
Read 2 more answers
URGENT: DUE TONIGHT OR I GET DETENTION!!!!
suter [353]

Answer:

63 weeks

Step-by-step explanation:

252 - 3x = 378 - 5x

       + 5x          +5x

Add 5x to both sides

252 + 2x = 378

-252         - 252

Subtract 252 from both sides

2x = 126

Divide 2 from both sides

x = 63

Check you work by plugging 63 where the x is

252 - 3(63)

252 - 189 = 63

378 - 5(63)

378- 315 = 63

7 0
4 years ago
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