Algebra Word Problems Solved | Algebra Help & Examples

High School
Algebra

Find all solutions to the congruence
$6 x \equiv 9 (b mod 45)$

sodni3 2021-03-11

in number 7, Is the exponent of $(- 1) n$ right? I thought that the exponent of (-1) is $n - 1$ because it changed from $n = 0$ to $n = 1$ , and if $(- 1)^{n}$ , there will be a change of sign between negative sign and positive sign.

iohanetc 2021-03-11

Solve the equations and inequalities below. Write your solutions in exact form. $a . \frac{3}{4} - \frac{x}{3} = \frac{7 x}{4}$
$b . (b - 4) 2 < 12$
$c . ∣ 3 + x ∣ - 9 \leq 21$
$d . 5 n^{2} - 11 n + 2 = 0$

Lipossig 2021-03-11

The exponential function $f (x) = 42.2 (1.56)^{x}$ models the average amount spent, f(x), in dollars, at a shopping mall after x hours. What is the average amount spent, to the nearest dollar, after four hours?

Annette Arroyo 2021-03-10

Solve the system of equations:
$2 x + 3 y = - 4$
$3 x + 2 y = - 1$

DofotheroU 2021-03-10

Use Cramer's rule to solve the given system of linear equations.
$x_{1} - x_{2} + 4 x_{3} = - 2$
$- 8 x_{1} + 3 x_{2} + x_{3} = 0$

Chaya Galloway 2021-03-10

A system of linear equations is given below.
$2 x + 4 y = 10$
$- \frac{1}{2} x + 3 = y$
Find the solution to the system of equations.
A. (0, -3)
B. (-6, 0)
C. There are infinite solutions.
D. There are no solutions.

Mylo O'Moore 2021-03-10

To check: The values $x = 2$ and $x = - 2$ are solutions.

York 2021-03-09

The given inequalities are as follows.
y<3x
y>x−2

EunoR 2021-03-09

Discover prove: Combining Rational and Irrationalnumbers is $1.2 + \sqrt{2}$ rational or irrational? Is $\frac{1}{2} \cdot \sqrt{2}$ rational or irrational? Experiment with sums and products of ther rational and irrational numbers. Prove the followinf.
(a) The sum of rational number r and an irrational number t is irrational.
(b) The product of a rational number r and an irrational number t is irrational.

nitraiddQ 2021-03-09

Write $y = 2 x + 7$ using function notation.

permaneceerc 2021-03-09

Find the absolute maximum and absolute minimum values of f on the given interval.
$f (x) = 5 + 54 x - 2 x^{3}, x \in [0, 4]$

djeljenike 2021-03-09

Rewrite expression without absolute value bars.
$| \sqrt{5} - 13 |$

djeljenike 2021-03-09

Solve the equations for x and simplify the answer if possible. Indicate which solving technique is used: Liner, Factor, SRP, ZPR, QF.
0.7(2-x)=1.25-0.5x

beljuA 2021-03-09

In a gymnastics competition, Paiges

CheemnCatelvew 2021-03-09

The local cafe uses 510 cups of mixed vegetables to make 1,000 quarts of beef barley soup. Each quart of soup contains the same amount of vegetables. How many cups of vegetables are in each quart soup?

BenoguigoliB 2021-03-09

Calculate: Polymomial equation with real coefficients taht has roots 3, 1 - i.

floymdiT 2021-03-09

Perform the indicated divisions of polynomials by monomials.
$\frac{14 x y - 16 x^{2} y^{2} - 20 x^{3} y^{4}}{- x y}$

defazajx 2021-03-09

Need to calculate:The factorization of $x^{3} + 4 x^{2} + 3 x + 12$ .

tricotasu 2021-03-09

Given the piecewise function below, select all of the statements that are true.
$f (x) = {- x + 1, x < 0} {- 2, x = 0} {x^{2} - 1, x > 0}$
A. $f (4) = 7$
B. $f (- 1) = 2$
C. $f (1) = 0$
D. $f (- 2) = 0$

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Even as we are dealing with college subjects like Sociology or Data Science, the use of high school Algebra is inevitable. Some of us may still remember the rules, yet it is only natural have something as a reminder.

Regardless if you have some questions regarding equations or need some urgent help, we already have a list of the most popular answers that will serve as the starting points for your task. Take your time to explore the list of questions and answers to see the scope of high school algebra tasks.

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Algebra Word Problem Solutions