Boost Your Pre-Algebra Skills with Examples and Solutions

High School
Algebra
Pre-Algebra

Convert the following decimals to percents:
6-1. .88
6-7. 4%
Convert the following fractions to percents (round to the nearest tenth percent as needed):
$6 - 13 .$

= $\frac{1}{12}$
Convert the following percents to fractions and reduce to the lowest terms:
6-17. 4%
Solve for the portion (round to the nearest hundredth as needed):
6-23. 7% of 150
6-27. 17.4% of 900

Kye 2021-09-30

Add or subtract as indicated
$\frac{2}{x z^{3}} - \frac{14}{x z^{3}}$

Dillard 2021-09-30

Solve the compound inequality.
$4 x + 1 \geq 21$ and $3 x - 2 \leq - 17$
Write the solution in interval notation.

arenceabigns 2021-09-30

A card is drawn randomly from a standard 52-card deck. Find the following: Write all answers as simplified fractions. Probability the card drawn is a face card. Probability the card drawn is not a face card. Odds in favor of drawing a face card. Odds against drawing a face card.

York 2021-09-30

Write three linear inequalities that are equivalent to $y < 3$ .

Josalynn 2021-09-30

To clear the following equation of fractions, by what should both sides be multiplied?
$\frac{7}{10} + y = \frac{2 y - 38}{5 y - 25}$

facas9 2021-09-30

Im thinking of two proper fractions whose sum is $\frac{19}{12}$ and whose product is $\frac{5}{8}$ . Determine thefractions, and state them in simplest form.

djeljenike 2021-09-30

Solve the following quadratic expressions by factoring. First write the expressions in completely factored form. Then write the real numer solutions.
[Hint: Remember to use proper notation when writing the real number solutions.For example: if the solutions are $x = 1$ and $x = 4$ , write $x = 1, 4$ .
1) $x^{2} - 5 x = 0$
Factored form - ?
Real number solutions - ?
2) $4 x^{2} + 8 x = 0$
Factored form - ?
Real number solutions - ?
3) $- 7 x^{2} - 21 x = 0$
Factored form - ?
Real number solutions - ?
4) $4 x^{2} - 8 x = 0$
Factored form - ?
Real number solutions - ?

Mylo O'Moore 2021-09-30

If the probability of a certain event not happening is $\frac{49}{82}$ , what is the probability of the event happening?
Write all answers as simplified fractions.

SchachtN 2021-09-29

Solve for the variable. Solving equations with fractions. $8 - \frac{1}{2} x = \frac{1}{6} x$

ddaeeric 2021-09-29

How do you integrate:
Evaluate the integral.(Remember to use absolute balues where appropriate. Use C for the constanr of integration.)
$\int \frac{5 x^{2} + 5 x - 12}{x^{3} + 4 x^{2}} d x$

Bergen 2021-09-29

To multiply two rational expressions, we multiply their ? together and multiply their ? together.
So $\frac{2}{x + 1} \cdot \frac{x}{x + 3}$ is the same as ?.

iohanetc 2021-09-29

Solve $9 x - 7 y = 10$ for y. (Use interferes or fractions for any numbers in the expression.)

Ernstfalld 2021-09-29

Explain why $x + 2 = 9$ and $x + 2 = - 6$ are not equivalent equations.

Tyra 2021-09-29

Find the standard equation of any parabola that has vertex V.
$V (- 3, 1)$

Armorikam 2021-09-29

(a) What is the logical first step in solving the equation
$| 2 x - 1 | = 5 ?$
(b) What is the logical first step in solving the inequality
$| 3 x + 2 | \leq 8 ?$

Cheyanne Leigh 2021-09-29

Use Cramer's rule to solve the system of equations, if $D = 0$ , use another method to determine the solution set.
$5 x + 5 y - 10 z = 8$
$2 x + y - z = 7$
$- x - y + 2 z = 3$
Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice.
A. There is one solution set is (_,_,_).
(Type integers or simplified fractions.)
B. There are infinitely many solutions. The solution set is (_,_,z), where z is any real number.
(Simplify your answers. Use integers or fractions for any numbers in the expressions.)
C. There is no solution. The solution set is $⊘$ .

permaneceerc 2021-09-29

Solve the below equations and inequalities for the given variable.
a) $8 - 6 n = - 64$
b) $10 (x - 5) \geq - 10$
c) $- 5 = 1 - 8 n + 5 n$

BolkowN 2021-09-29

is $\sin^{2} x$ equal to ${\sin x}^{2}$ ?

Ava-May Nelson 2021-09-28

Write the first expression in terms of the second if the terminal point determined by t is in the given quadrant. $\tan t, \cos t$ ; Quadrant III

Getting your pre Algebra solved becomes much easier when you have all the answers to your questions by taking a closer look at the various examples dealing with Pre-Algebra subjects. We have intentionally collected the list of pre-algebra equations and various solving equations with decimals problems to help you see various examples that explain how certain solutions are found. Still, if something sounds unclear or you are concerned about some solution that has been provided, approach pre-algebra with reverse engineering approach (going backwards).

Pre-Algebra

Improve Your Algebra Skills with Practice Problems