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3 years ago

A round barbecue pit is 2 meters in diameter. What is the distance around the barbecue pit?

1 answer:

3 0

The length of a circle is equal to 2π * diameter/2, where π = ~3.14. In our case we have 2*(~3.14) = 6.28 meters. So the correct answer is C.

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Which of the following inequalities has a solution x≥−3?

timama [110]

The 2nd one has the following inequality’s that has a solidity on x>-3

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2 years ago

A pendulum is 45 cm long. When it swings, it travels along the arc of a circle and covers a distance of 27.5 cm. Calculate the a

11Alexandr11 [23.1K]

Answer: The angle through which the pendulum travels = $35^{\circ}$ .

Step-by-step explanation:

Formula: Length of arc: $l= r\theta$ , where r= radius ( in radians) , $\theta$ = central angle.

Given: Length of pendulum (radius) = 45 cm

Length of arc= 27.5 cm

Put these values in the formula, we get

$27.5=45\theta\\\\\Rightarrow\theta=\dfrac{27.5}{45}=\dfrac{275}{450}\\\\\Rightarrow\ \theta=\dfrac{11}{18}\text{ radians}$

In degrees ,

$\theta=\dfrac{11}{18}\times\dfrac{180}{\pi}=\dfrac{110\times7}{22} \ \ \ \ [\pi=\dfrac{22}{7}]$

$\theta=35^{\circ}$

Hence, the angle through which the pendulum travels = $35^{\circ}$ .

4 0

3 years ago

Help me please..................

Rudiy27

253. First, I squared 8, to get 64, then multiplied that by 12. I subtracted 9 from this because 3x3 is 9 to get 759. Then, divide this by 3 to get 253. Hope this helped!

8 0

3 years ago

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What is a equations ?

myrzilka [38]

An equation says that two things are equal. It will have an equals sign "=" like this:

7 + 2 = 10 − 1

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3 years ago

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R - 15 = 77 I need to show my work

Dmitrij [34]

Answer:

R - 15 = 77

R = 77 + 15

R = 92

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3 years ago

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