 # Get help with algebra 2 equations and inequalities

Recent questions in Equations Kyran Hudson 2021-02-22

### Solve the following system of equations. ${x}_{1}+2{x}_{2}+4{x}_{3}=2$ ${x}_{1}+{x}_{2}+2{x}_{3}=1$ $\left({x}_{1},{x}_{2},{x}_{3}\right)=$ facas9 2021-02-22

### To solve ${x}^{2}+5x=0$, Mai rewrote the equation as x(x+5)=0. Explain how rewriting this equation in factored form enables Mai to solve the equation. Nann 2021-02-21

### Define a new interpretation of the description “dynamical system” for a collection of interdependent differential equations? Rui Baldwin 2021-02-21

### Determine whether the ordered pair is a solution to the given system of linear equations. 2.(1,2) $\left\{\begin{array}{c}3x-y=1\\ 2x+3y=8\end{array}\right\}$ CheemnCatelvew 2021-02-21

### Solve the equation: ${\mathrm{log}}_{3}\left(2x+1\right)={\mathrm{log}}_{3}\left(5x\right)+2$. nitraiddQ 2021-02-21

### Solve the given system of equations by matrix equation. 5x-4y=4 3x-2y=3 Reggie 2021-02-19

### Find the values of c and d that make the equation true. $c+3ci=4+di$ Ramsey 2021-02-19

### Use the​ Gauss-Jordan method to solve the system of equations. If the system has infinitely many​ solutions, give the solution with z arbitrary. $x-5y+2z=1$ $3x-4y+2z=-1$ pancha3 2021-02-18

### Use an inverse matrix to solve system of linear equations. $x+2y=-1$ $x-2y=3$ he298c 2021-02-18

### Consider the following system of llinear equations. $\frac{1}{3}x+y=\frac{5}{4}$ $\frac{2}{3}x-\frac{4}{3}y=\frac{5}{3}$ Part A: can be used to write an equivalent system? Part B: Write an equivalent system and use elimination method to solve for x and y. Carol Gates 2021-02-16

### When solving systems of equations we have at least two unknowns. A common example of a system of equations is a price problem. For example, Jacob has 60 coins consisting of quarters and dimes. The coins combined value is $9.45. Find out how many of each (quarters and dimes) Jacob has. 1.What do the unknowns in this system represent and what are the two equations that that need to be solved? 2.Finally, solve the system of equations. Equations Answered tinfoQ 2021-02-14 ### Find the solution (x,y)to the system of equations. $\left\{\begin{array}{l}3x+y=28\\ -x+3y=4\end{array}$ Multiply the coordinates $x\cdot y$ Equations Answered Brennan Flores 2021-02-14 ### (a) Find a system of two linear equations in the variables x and y whose solution set is given by the parametric equations $x=t$ and y $=3-2t.$ (b) Find another parametric solution to the system in part (a) in which the parameter is s and $y=s.$ Equations Answered sodni3 2021-02-14 ### Solve the equivalent equations $\frac{3x+2}{5}=7$ and $x+9=20$ Equations Answered tabita57i 2021-02-13 ### solve the given system of differential equations. $\frac{{dx}_{1}}{dt}=2{x}_{1}-3{x}_{2}$ $\frac{{dx}_{2}}{dt}={x}_{1}-2{x}_{2}$ Equations Answered Cheyanne Leigh 2021-02-13 ### Is (3,8) a solution to this system of equations? $y=7x+8$ $y=x+1$ -True -False Equations Answered Carol Gates 2021-02-11 ### Solve the following system of linear equations in two variables by Substitution method. $5x-2y=-7$ $x=-2y+1$ Equations Answered ringearV 2021-02-11 ### A footwear company is preparing to market a new kind of sports shoe. The company plans to spend$28 million on advertising. Past experience shows that the amount spent on television advertising should be 3.5 times as much as the amount spent on magazine advertising. Determine how much money should be spent on each type of advertising. Jason Farmer 2021-02-11
### Write an equation in standard form $Ax=By=C$ of the line that satisfies the given conditions. Use integer values for A, B, and C. passes through (2, 8) and (-4, 16) Lipossig 2021-02-09