Algebra Word Problems Solved | Algebra Help & Examples

High School
Algebra

Please, what is $- \frac{4}{2}$ in its simplest form??

Amari Flowers 2021-02-19

$40 k m / h \approx ? m i / m i n$

remolatg 2021-02-19

Explain whether each of the following numbers is rational: 2, $\frac{1}{13}, \sqrt{11}$ , 0.3.

remolatg 2021-02-19

Approximately how many units (x) must be produced to maximise the profit defined by the function $P (x) = - \frac{1}{5} x^{2} + 30 x + 81$

Clifland 2021-02-19

$y = \frac{1}{2} x - 2$
$6 x + 2 y = 10$

Tammy Todd 2021-02-19

The decline of a city's population is modeled by $P (t) = 1.2 \times 10^{6} (e^{-} 0.008 t)$

How large will the population be when t = 30?

ossidianaZ 2021-02-19

Calculate the mean for samples where a. n=10, $Σ x = 85 . b . n = 16, Σ x = 400 . c . n = 45, Σ x = 35 . d . n = 18, Σ x = 242$ .

sibuzwaW 2021-02-19

The results of an experiment show that the number of bacteria doubles each hour when food is left out at $90^{\circ} F$ . If the experiment starts with one bacterium, which of the following does NOT represent the results of the experiment?
$f (t) = 2 t f (t) = 2^{t}$

Reggie 2021-02-19

Find the values of c and d that make the equation true. $c + 3 c i = 4 + d i$

nitraiddQ 2021-02-19

Simple or linear Equations: Tricks and Examples. Quadratic Equations of quantitative aptitude. I will discuss some examples of simple equations which have been proved to be a very important topic for various competitive exams. The problems of linear equations can be easily solved by using simple tricks.

illusiia 2021-02-19

Show that the greatest lower bound of a set of positive numbers cannot be negative.

Ramsey 2021-02-19

To solve the equation system, use the Gauss-Jordan method. If the system has infinitely many solutions, give the solution with z arbitrary.
$x - 5 y + 2 z = 1$
$3 x - 4 y + 2 z = - 1$

Tammy Todd 2021-02-19

For the given a system of linear equations
4x+y-5z=8
-2x+3y+z=12
3x-y+4z=5
Use matrix inversion to solve simultaneous equations.

emancipezN 2021-02-19

A bird species in danger of extinction has a population that is decreasing exponentially
$A = A_{0} e^{k t}$ .
Five years ago the population was at 1400 and today only 1000 of the birds are alive. Once the population drops below 100, the situation will be irreversible. When will this happen?

Khadija Wells 2021-02-19

An equation that expresses a relationship between two or more variables, such as $H = \frac{9}{10} (220 - a)$ ,
is called $\frac{a}{a n} ? .$ The process of finding such equations to describe real-world phenomena is called mathematical ? .
Such equations, together with the meaning assigned to the variables, are called mathematical ? .

Josalynn 2021-02-19

Reviewing for precalc and I dont understand how to completely factor expressions with rational exponents.
$a) x^{\frac{5}{2}} - 9 x^{\frac{1}{2}}$
$b) x^{- \frac{2}{3}} + 2 x (- \frac{1}{2}) + x^{\frac{1}{2}}$

Lewis Harvey 2021-02-19

Write a recursive rule and an explicit rule for an arithmetic sequence that models a situation. Then use the rule to answer the question. Jack begins an exercise routine for 10 minutes each day. Each week he plans to add 10 minutes per day to his exercise routine. For how many minutes will he exercise for each day on the 7th week?

bobbie71G 2021-02-19

Need to calculate: The value of F(3) for the function $F (x) = {\begin{cases} 2 x i f x < 3 \\ - 5 x i f x \geq 3 \end{cases}$

1
…
1047
1048
1049
1050
1051
…
1127

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.

Algebra

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