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3 years ago

Is the following relation a function?

Mathematics

2 answers:

iVinArrow [24]3 years ago

6 0

No, how can u plug in -1 and get 2 one time and -1 another time

Alex73 [517]3 years ago

4 0

No because -1 has more has one output

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Is the product of 3√ and 2.8 is a rational number acquisition?

svetlana [45]

Answer:

It is not rational

Step-by-step explanation:

Given

$\sqrt 3 * 2.8$

Required

Rational or Irrational

$\sqrt 3 * 2.8$

$\sqrt 3 =1.73205$

So, we have:

$\sqrt 3 * 2.8 = 1.73205 * 2.8$

$\sqrt 3 * 2.8 = 4.84974$

<em>The result of the product: 4.84974 is not rational because it can not be represented as a fraction of two integers.</em>

5 0

3 years ago

Can someone help me please. thanks!

Luda [366]

Answer:

if you turn it sideways it looks like an acute so i think it will be 60* or 61* i am not sure

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

Find the solution set for the equation.<br> |7x - 5] +5=14

mr Goodwill [35]

X = 2. Here’s a link; https://www.tiger-algebra.com/drill/(7x-5)_5=14/

3 0

3 years ago

Read 2 more answers

You work for the Game, Fish, and Parks Department. You are replacing buoys at a local beach with a new model that has a height o

Vinvika [58]

The answer is 1 :)

7+2=9 10-9=1

6 0

4 years ago

11 m

liubo4ka [24]

first off let's notice that the height is 11 meters and the volume of the cone is 103.62 cubic centimeters, so let's first convert the height to the corresponding unit for the volume, well 1 meters is 100 cm, so 11 m is 1100 cm.

$\textit{volume of a cone}\\\\ V=\cfrac{\pi r^2 h}{3}~~ \begin{cases} r=radius\\ h=height\\[-0.5em] \hrulefill\\ V=\stackrel{cm^3}{103.62}\\ h=\stackrel{cm}{1100} \end{cases}\implies 103.62=\cfrac{\pi r^2 (1100)}{3} \\\\\\ 3(103.62)=1100\pi r^2\implies \cfrac{3(103.62)}{1100\pi }=r^2 \\\\\\ \sqrt{\cfrac{3(103.62)}{1100\pi }}=r\implies \stackrel{cm}{0.00510199305952} \approx r$

6 0

2 years ago