3 years ago

Which set of points represents a function?

Mathematics

1 answer:

Aneli [31]3 years ago

6 0

A is the answer. Functions need a unique y value for each x value.

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I need HELP ASAP!!! EXPLAIN PROBLEM

viktelen [127]

Answer:

9.4 cm^3

Step-by-step explanation:

This figure is a cylinder so the formula is V=πr^2h

r is the radius and h is the height

Here we can see the height is 3 and the radius is 1

V=π(1)^2(3)

V=π3

V=9.42 (assuming π is 3.14)

Rounded to the nearest tenth is 9.4

5 0

3 years ago

Read 2 more answers

Find the volume (in terms of pi) of a sphere of its surface area is 400 pi ft2

elixir [45]

$\bf \textit{surface area of a sphere}\\\\ SA=4\pi r^2\qquad \qquad \implies \stackrel{SA}{400\pi }=4\pi r^2\implies \cfrac{400\pi }{4\pi }=r^2 \\\\\\ 100=r^2\implies \sqrt{100}=r\implies \boxed{10=r} \\\\\\ \textit{volume of a sphere}\\\\ V=\cfrac{4\pi r^3}{3}\qquad \qquad V=\cfrac{4\pi \boxed{10^3}}{3}\implies V=\cfrac{4000\pi }{3}$

8 0

3 years ago

Read 2 more answers

Justify each step used to simplify the expression 3x+2y-2x+2=3x-2x+2y+2

Lynna [10]

$3x+2y-2x+2=3x-2x+2y+2\ \ \ \ \ | combine\ like\ terms\\\\
x+2y+2=x+2y+2\\\\
0=0\\\\
 There\ are\ infinitely\ many\ solutions.$

5 0

4 years ago

A plant grew 14 inches tall if it grows 3 inches per year how many years will it take to reach a hight of 38 inches

Pepsi [2]

Answer:

It will take 8 years.

Step-by-step explanation:

If the plant is already 14 inches and you want it to grow up to 38, then we subtract 14 from 38 and then divide the answer by 3 because in each year the plant will grow 3 inches, so then you get 8, which is the numbers of years.

38 - 14 = 24

24/3 = 8

5 0

3 years ago

Whoever explains and puts the right answer will get Brainlisted

alexgriva [62]

Answer:

Step-by-step explanation:

5 0

2 years ago