Khaleesi Herbert
2020-12-06
Answered

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rogreenhoxa8

Answered 2020-12-07
Author has **109** answers

asked 2021-12-01

Solve the given quadratic eqauation by using the graph of its related function.

${x}^{2}-67=-51$

Part 1 out of 2

Enter te related function of the given quadratic equation. Then complete the table of values for the related function.

The related function is$y={x}^{2}+$ .

$$\begin{array}{|cccccc|}\hline x& -5& -4& 0& 4& 5\\ y\\ \hline\end{array}$$

Part 1 out of 2

Enter te related function of the given quadratic equation. Then complete the table of values for the related function.

The related function is

asked 2021-01-10

Mt. Everest is 8707.37 feet higher than Mt. McKinley. What is the elevation of Mt. Everest?

asked 2022-05-18

Solve this system by rewriting in row-echelon form $x+y+z=6$, $2x-y+z=3$, $3x-z=0$

Here is what I did (which I didn't complete because I had no idea if I was doing the right thing):

Add (-2) times the first equation to the second equation to produce a new second equation

$\{\begin{array}{rl}x+y+z& =6\\ -3y-z& =9\\ 3x-z& =0\end{array}$

And next add (-3) times first equation to third equation to produce a new third equation:

$\{\begin{array}{rl}x+y+z& =6\\ -3y-z& =9\\ -3y-4z& =-18\end{array}$

And next add (-1) times second to third equation to produce a new third equation:

$\{\begin{array}{rl}x+y+z& =6\\ -3y-z& =9\\ -3z& =-27\end{array}$

Any help as to my journey in Linear Algebra and how to solve this is greatly appreciated.

Here is what I did (which I didn't complete because I had no idea if I was doing the right thing):

Add (-2) times the first equation to the second equation to produce a new second equation

$\{\begin{array}{rl}x+y+z& =6\\ -3y-z& =9\\ 3x-z& =0\end{array}$

And next add (-3) times first equation to third equation to produce a new third equation:

$\{\begin{array}{rl}x+y+z& =6\\ -3y-z& =9\\ -3y-4z& =-18\end{array}$

And next add (-1) times second to third equation to produce a new third equation:

$\{\begin{array}{rl}x+y+z& =6\\ -3y-z& =9\\ -3z& =-27\end{array}$

Any help as to my journey in Linear Algebra and how to solve this is greatly appreciated.

asked 2022-05-16

Prove that $\sqrt{3}+\sqrt{5}$ is an irrational number.

asked 2022-06-22

How many solutions are there to this equation?

$\begin{array}{rl}{x}^{2}-{y}^{2}& =z\\ {y}^{2}-{z}^{2}& =x\\ {z}^{2}-{x}^{2}& =y\end{array}$

$\begin{array}{rl}{x}^{2}-{y}^{2}& =z\\ {y}^{2}-{z}^{2}& =x\\ {z}^{2}-{x}^{2}& =y\end{array}$

asked 2021-10-22

Solve the equation. Find the exact solution if possible; otherwise, use a calculator to approximate to two decimal places.

${3}^{2x-7}=27$

asked 2022-06-23

Are there conditions that imply irrational to the power of irrational will be rational ?