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Alex73 [517]
4 years ago
10

change in the position of the hand with the angle made by the change. The minute hand moves from 2 to 9. The minute hand moves f

rom 3 to 7 The minute hand moves from 4 6. The minute hand moves from 1 to 4 The minute hand moves from 5 to 10 5 pi 6 rfloor
Mathematics
1 answer:
lys-0071 [83]4 years ago
4 0

Answer:

  • 2–9  7π/6
  • 3–7  2π/3
  • 4–6  π/3
  • 1–4  π/2
  • 5–10  5π/6

Step-by-step explanation:

The angle between numbers on an analog clock is π/6 radians. So, the angles of interest are ...

  2 to 9 : seven numbers : 7π/6 radians

  3 to 7 : four numbers : 4π/6 = 2π/3 radians

  4 to 6 : two numbers : 2π/6 = π/3 radians

  1 to 4 : three numbers : 3π/6 = π/2 radians

  5 to 10 : five numbers : 5π/6 radians

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Find the sum of the series if n = 6, r = 1/4, a = 2.
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Given =

n=6,

r=1/4

a=2

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4 0
3 years ago
I don't understand how to do this problem.
Delicious77 [7]
Answers: 

x = 4
EF = 14
CF = 7
EC = 7

-------------------------------------------------------------
-------------------------------------------------------------

Work Shown:

C is the midpoint of segment EF. This means that EC = CF. In other words, the two pieces are congruent. 

Use substitution and solve for x
EC = CF
5x-13 = 3x-5
5x-13+13 = 3x-5+13
5x = 3x+8
5x-3x = 3x+8-3x
2x = 8
2x/2 = 8/2
x = 4

Now that we know that x = 4, we can use this to find EC and CF

Let's compute EC
EC = 5x - 13
EC = 5*x - 13
EC = 5*4 - 13 ... replace x with 4
EC = 20 - 13
EC = 7

Let's compute CF
CF = 3x - 5
CF = 3*x - 5
CF = 3*4 - 5 ... replace x with 4
CF = 12 - 5
CF = 7

As expected, EC = CF (both are 7 units long).

By the segment addition postulate, we can say EC+CF = EF

EC+CF = EF
EF = EC+CF
EF = 7+7
EF = 14
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3 years ago
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astraxan [27]

Answer:

C

Step-by-step explanation:

\sqrt{33} =5.74...\\\frac{16}{3} =5.33...

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The  variable are

A and  B

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