4 years ago

Is this an expression or equation 70+12=82

2 answers:

4 0

Answer:

Equation

Step-by-step explanation:

It has a equal sign so that makes it a equation.

4 0

Answer:

it is a expression

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guajiro [1.7K]

Answer:

$90\pi\text{ ft/s}\approx282.74\text{ ft/s}$

Step-by-step explanation:

Refer to physics equation $v=\omega r$ , where $\omega$ is angular velocity.

Angular velocity's SI unit is rad/s. Convert rev/min to rad/s:

$\displaystyle 5\text{ rev/min}=5\cdot \frac{1}{60}\cdot 2\pi\approx 0.524\text{ rad/s}$

Now substitute $\displaystyle\omega=\frac{1\pi}{6}$ and $r=9$ into $v=\omega r$ :

$\displaystyle v=\frac{1\pi}{6}\cdot 9=\frac{3}{2}\pi\text{ ft/s}=\boxed{90\pi\text{ ft/s}}$

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3 years ago

Tems11 [23]

If you need to pay a deposit of $78 out of $359, you should only need to pay $281 afterwards, right?

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4 years ago

mixer [17]

Shapes, angles....................

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3 years ago

alexandr402 [8]

I’m not sure but I think 9.00(n)

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3 years ago

ehidna [41]

What is the question? I can't tell by the picture quality.

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3 years ago