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cricket20 [7]
3 years ago
10

How to calculate linear distance between two points on circle circumference?

Mathematics
1 answer:
givi [52]3 years ago
5 0
The distance between two points on the circumference of a circle is called the arc. If the arc length subtends an angle θ to the center of the circle and the circle has a radius r, then the length of the arc is calculated by the formula;
 θ/360 × 2πr.
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How do you solve 5/x=x-4
alexandr402 [8]
\frac{5}{x}=x-4\\
x\not=0\\
5=x^2-4x\\
x^2-4x-5=0\\
x^2+x-5x-5=0\\
x(x+1)-5(x+1)=0\\
(x-5)(x+1)=0\\
x=5 \vee x=-1
6 0
4 years ago
1. The position of a particle moving along a coordinate axis is given by: s(t) = t^2 - 5t + 1. a) Find the speed of the particle
zimovet [89]

Answer: \left |  2t-5\right |,\ 2,\ 2t-5

Step-by-step explanation:

Given

Position of the particle moving along the coordinate axis is given by

s(t)=t^2-5t+1

Speed of the particle is given by

\Rightarrow v=\dfrac{ds}{dt}\\\\\Rightarrow v=\dfrac{d(t^2-5t+1)}{dt}\\\\\Rightarrow v=\left |  2t-5\right |

Acceleration of the particle is

\Rightarrow a=\dfrac{dv}{dt}\\\\\Rightarrow a=2

velocity can be negative, but speed cannot

\Rightarrow v=\dfrac{ds}{dt}\\\\\Rightarrow v=\dfrac{d(t^2-5t+1)}{dt}\\\\\Rightarrow v=2t-5

3 0
3 years ago
What would x be in this sum 2(x+2)=8
MAVERICK [17]
2(x+2)=8
2x+4=8
2x=4
x=2
5 0
4 years ago
Read 2 more answers
Can somebody please help me i need this urgently.
sukhopar [10]

Answer:

multiple choice is worth 2

short response is worth 4

Step-by-step explanation:

23x + 10y = 86

28x + 5y = 76

solve by elimination

multiply the top by -1 and the bottom by 2

-23x + -10y = -86

56x + 10y = 152

add them

33x = 66

x = 2

with x = 2 plug x into one of the equations

23x + 10y = 86

23(2) + 10y = 86

46 + 10y = 86

10y = 40

y = 4

x = 2 and y = 4 so

multiple choice is worth 2

short response is worth 4

6 0
2 years ago
Convert from Fahrenheit to Celsius
Igoryamba
<h3>27.8°C</h3>

Step-by-step explanation:

Given F is 82 Degrees

To find - In Celsius ?

Answer

Using the formula:

\frac{9}{5}C + 32 = F \\  = >  C = (F - 32) \times  \frac{5}{9} \\ C = (82 - 32) \times  \frac{5}{9} \\  =  >  \frac{250}{9}C \\  =  > 27.8°C

Therefore, The answer is <u>2</u><u>7</u><u>.</u><u>8</u><u>°</u><u>C</u>

5 0
3 years ago
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