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3 years ago

an arc subtends a central angle measuring 2pi/3 radians. what fraction of the circumference is this arc?

Mathematics

1 answer:

amm18123 years ago

4 0

Answer:

1/3

Step-by-step explanation:

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100 POINTS!!!!!! HELP

irga5000 [103]

A - 1766! I hope this helps

7 0

3 years ago

Part 1. Please show work. Please assist me with these math problems.

Vitek1552 [10]

Answer: 1) 2, 3, 4, 9, 32, 279, 8896, 2481705, 22077238784

2) 2,490,924

3) Neither

Step-by-step explanation:

$S_n=S_{n-2}\cdot (S_{n-1}-1)\quad \\\\S_1=2\quad given\\S_2=3\quad given\\S_3=S_1(S_2-1)\quad =2(3-1)\quad =4\\S_4=S_2(S_3-1)\quad =3(4-1)\quad =9\\S_5=S_3(S_4-1)\quad =4(9-1)\quad =32\\S_6=S_4(S_5-1)\quad =9(32-1)\quad =279\\S_7=S_5(S_6-1)\quad =32(279-1)\quad =8,896\\S_8=S_6(S_7-1)\quad =279(8896-1)\quad =2,481,705\\S_9=S_7(S_8-1)\quad =8896(2481705-1)\quad =22,077,238,784$

$\sum^8_{k=1}S_k\\\\=S_1+S_2+S_3+S_4+S_5+S_6+S_7+S_8\\\\= 2,490,924\\$

Neither

Not arithmetic because the difference between each of the terms is not the same.

S₂ - S₁ S₃ - S₂ S₄ - S₃

3 - 2 = 1 4 - 3 = 1 9 - 4 = 5

Not geometric because the ratios between each of the terms is not the same.

$\dfrac{S_2}{S_1}=\dfrac{S_3}{S_2}\qquad \rightarrow \dfrac{3}{2}=\dfrac{4}{3}\qquad \rightarrow \text{cross multiply to get}: 9\neq 8$

8 0

3 years ago

The triangle shown below has an area of 10 units2. Find x. 7 4 x units

SVEN [57.7K]

Answer:

<h3>x = 5 units</h3>

Step-by-step explanation:

area of a triangle = 1/2 base * height

where area = 10 units²

height = x units

base = 4

plugin values into the formula:

10 = 1/2 * 4 * x

x = 10 (2)

x = 5 units

3 0

3 years ago

Whats the square root of 39 to the nearest whole

Rasek [7]

The square root of 39 is 6.224

5 0

3 years ago

K(n)=n^3-3n; Find k(-5)

kozerog [31]

Answer:

The answer to your question is: k(-5) = -115

Step-by-step explanation:

Function k(n) = n³ - 3n find k(-5)

k(-5) = (-5)³ - 3(-5) substitution

k(-5) = -125 + 15 simplify

k(-5) = -115

5 0

3 years ago