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3 years ago

Which one of these relations are functions ? Please helpppp fast

Mathematics

1 answer:

vampirchik [111]3 years ago

4 0

Answer:

the 4th and 6th one

Step-by-step explanation:

A function is when there are x- and y-values but each x value has only 1 y-value

Simple: If the x-value is repeated its not a function

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3 years ago

Solve for n. 7+2n = 11

Musya8 [376]

Answer:

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3 years ago

sebuah topi berbentuk kerucut dengan panjang diameter 18 cm dan tinggi topi tersebut 20cm berapakah volume nya

madreJ [45]

Answer:

The area of the cone is "1,695.6 cm³".

Step-by-step explanation:

The given values are:

Diameter of cone,

d = 18 cm

then,

Radius,

r = $\frac{d}{2}$

= $\frac{18}{2}$

= $9 \ cm$

Height,

h = 20 cm

As we know,

⇒ Area of a cone = $\frac{1}{3} \pi r^2 h$

On substituting the given values in the above formula, we get

⇒ = $\frac{1}{3}\times 3.14\times (9)^2\times 20$

⇒ = $\frac{1}{3}\times 3.14\times 81\times 20$

⇒ = $3.14\times 27\times 20$

⇒ = $1,695.6 \ cm^3$

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3 years ago