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Zolol [24]
3 years ago
7

Which of the equations listed below are linear equations

Mathematics
1 answer:
Alexandra [31]3 years ago
6 0

Answer:

\large\boxed{C=2\pi r}

Step-by-step explanation:

A linear equation is an equation in which a variable is in the first power.

The formula of a Circumference of a circle

C=2\pi r\\\\2,\ \pi-\text{numbers}\\r-\text{variable}\\\\\boxed{\bold{YES}}

The formula of an Area of a circle

A=\pi r^2\\\\\pi-\text{number}\\r^2-\text{variable in the second power}\\\\\boxed{\bold{NO}}

The formula of a volume of a sphere

V=\dfrac{4}{3}\pi r^3\\\\\dfrac{4}{3},\ \pi-\text{numbers}\\r^3-\text{variable in the third power}\\\\\boxed{\bold{NO}}

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