2 years ago

40 is what percent of 180

Mathematics

2 answers:

Anna [14]2 years ago

6 0

Answer:

22.22

Step-by-step explanation:

brainliest pls

max2010maxim [7]2 years ago

4 0

Answer:

25%?

Step-by-step explanation:

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Arte-miy333 [17]

Step-by-step explanation:

$\tt{2(x+1.25)=3.5 }$ ⠀

$\tt{ 2x+2.5=3.5 }$ ⠀

$\tt{ 2x=3.5-2.5 }$ ⠀

$\tt{2x=1 }$ ⠀

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2 years ago

Jason knows that the equation to calculate the period of a simple pendulum is , where T is the period, L is the length of the ro

Brrunno [24]

Answer-

$\boxed{\boxed{L=\dfrac{g}{4\pi^2 f^2}}}$

Solution-

The equation for time period of a simple pendulum is given by,

$T=2\pi \sqrt{\dfrac{L}{g}}$

Where,

T = Time period,

L = Length of the rod,

g = Acceleration due to gravity.

Frequency (f) of the pendulum is the reciprocal of its period, i.e

$f=\dfrac{1}{T}\ \Rightarrow T=\dfrac{1}{f}$

Putting the values,

$\Rightarrow \dfrac{1}{f}=2\pi \sqrt{\dfrac{L}{g}}$

$\Rightarrow (\dfrac{1}{f})^2=(2\pi \sqrt{\dfrac{L}{g}})^2$

$\Rightarrow \dfrac{1}{f^2}=4\pi^2 \dfrac{L}{g}$

$\Rightarrow L=\dfrac{g}{4\pi^2 f^2}$

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Step-by-step explanation:

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Ede4ka [16]

Answer:

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