3 years ago

Is 1 a prime or composite number? Explain your answer with complete details

Mathematics

1 answer:

natita [175]3 years ago

3 0

1 is neither prime nor composite because prime has exactly two factors and composite has more that two factors.

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Interior angle of triangles

Neporo4naja [7]

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3 years ago

The volume of a cone with a height of 4 cm is 12π cubic cm. What is the radius of the base?

blondinia [14]

Answer:

r = 6cm

Step-by-step explanation:

Solve for r:

$v = \frac{1}{3} \pi {r}^{2}$

$12\pi = \frac{1}{3} \pi {r}^{2} \\ 12\pi = \frac{\pi {r}^{2} }{3} \\ 3 \times 12\pi = \pi {r}^{2} \\ 36\pi = \pi {r}^{2} \\ \frac{36\pi}{\pi} = \frac{\pi {r}^{2} }{\pi} \\ \sqrt{ {r}^{2} } = \sqrt{36} \\ r = 6$