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Orlov [11]
3 years ago
9

Pls awnser I will give brainliest

Mathematics
1 answer:
Bad White [126]3 years ago
5 0

9514 1404 393

Answer:

  C.  22/7

Step-by-step explanation:

You may be aware that 22/7 is a value used to approximate π almost as often as is 3.14.

__

In case you actually want to carry out the calculations, you have ...

  C = πd

  π = C/d

  π ≈ (60 3/50)/(19 11/100) = (3003/50)/(1911/100) = 6006/1911 = 22/7

  π ≈ 77/(24 1/2) = 77/(49/2) = 22/7

  π ≈ (86 9/10)/(27 13/20) = (869/10)/(553/20) = 1738/553 = 22/7

  π ≈ 99/(31 1/2) = 99/(63/2) = 22/7

You might be interested in
Suppose y varies inversely with x, and y = 32 when x = 4. What is the value of y when x = 8?
bulgar [2K]

Answer:

16

Step-by-step explanation:

Inverse variation is of the form

xy = k where k is a constant

x=4 and y = 32

4*32 = k

128 = k

xy = 128

Let x = 8

8y = 128

Divide each side by 8

8y/8 = 128/8

y =16

6 0
2 years ago
a secant and tangent are drawn to a circle from a common exterior point. If the length is 14 inches and the length of the extern
hoa [83]

Answer:

Correct option: (3) 45

Step-by-step explanation:

Let's call the length of the tangent 'T', the length of the external segment 'E' and the length of the internal segment 'A'.

If we have a secant and a tangent to a circle, we can use the following property:

T^2 = E * (A + E)

If the tangent is 14 inches and the external segment is 4 inches, we have that:

14^2 = 4 * (A + 4)

196 = 4A + 16

4A = 180

A = 45

Correct option: (3)

5 0
2 years ago
If f(x) = 3x + 1 and f^-1 = x-1/3 , then the ordered pair of f(3) =
Basile [38]

Answer:

10

Step-by-step explanation:

f(x) = 3x + 1

f^-1 = x-1/3 , it is known as inverse function.

f(3)= 3*3 +1

=9+1

=10

To find inverse,

x=3x + 1

y=3x+1

Exchanging the position or x and y

x=3y+1

x-1=3y

.•. y=x-1/3

5 0
2 years ago
HELP PLSS QUICKLY!!!!
tigry1 [53]
3 cans!!!

5x6= 30 (divided by 2= 15)
5x6=30 (divided by 2 = 15)
10x18= 180

180+30= 210

3 cans!!
4 0
2 years ago
What is -5x^2+7x+1 from 8x^2+x-10
Oliga [24]

Answer:

13x^2 - 6x -11

Step-by-step explanation:

8 0
2 years ago
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