Algebra Word Problems Solved | Algebra Help & Examples

High School
Algebra

The price of a family dinner was $48.00. A sales tax added 5% to the final bill. The family left a $10.08 tip. If the family included the sales tax when calculating the tip, what percent did the family leave?
A. 2%
B. 10%
C. 18%
D. 20%

EunoR 2021-03-08

Use the exponential growth model $A = A_{0} e^{k t}$ to solve: In 2000, there were 110 million cellphone subscribers in the United States. By 2010, there were 303 million subscribers
a. Find the exponential function that models the data.
b. According to the model, in which year were there 400 million cellphone subscribers in the United States?

Wierzycaz 2021-03-08

y varies inversely as the square root of $x, y = 6$ when $x = 100$ . Find yy when $x = 144$ .

BolkowN 2021-03-08

From scnool, you biked 1.2 miles due south and then 0.5 mile due east to your house. If you had biked home on the street that runs directly diagonal from your school to your house, how many fewer miles would you have biked?

Clifland 2021-03-08

In testing an engine, various mixtures of gasoline and methanol are being tried. How much of a 90% gasoline mixture and a 75% gasoline mixture are needed for 1200 L of an 85% gasoline mixture?

Maiclubk 2021-03-08

Nine batteries are hooked in series to provide a 33-V power source. Some of the batteries are 3 V and some are 4.5 V. How many of each type are used?

sjeikdom0 2021-03-08

A soup kitchen makes 16 gallons of soup. Each day, a quarter of the soup is served and the rest is saved for the next day. Write the first five terms of the sequence of the number of fluid ounces of soup left each day. Write an equation that represents the nth term of the sequence. When is all the soup gone?

Bevan Mcdonald 2021-03-08

Find the square root.
$- \sqrt{\frac{9}{25}} =$

Tazmin Horton 2021-03-08

Simplify: $2 \sqrt{8} \sqrt{18}$

rocedwrp 2021-03-08

Find the roots of the function
$f (x) = (2 x - 1) \cdot (x^{2} + 2 x - 3)$ , with $x \in R$

Isa Trevino 2021-03-08

For the following exercises, use the given information about the polynomial graph to write the equation. Double zero at $x = - 3$ and triple zero $a t x = 0$ . Passes through the point (1, 32).

tricotasu 2021-03-08

find an LU factorization of the given matrix.
$[\begin{array}{ccc} 2 & 2 & - 1 \\ 4 & 0 & 4 \\ 3 & 4 & 4 \end{array}]$

Line 2021-03-08

Find the prime factorization of 27.

floymdiT 2021-03-08

Factor the given polynomial.
$15 x^{2} + 7 x - 4$

Lewis Harvey 2021-03-08

Write properties absolute value.

Falak Kinney 2021-03-08

What is the Exponential Growth?

arenceabigns 2021-03-07

To explain:The relation between the division of real numbers and divisions of polynomials.

Anish Buchanan 2021-03-07

Personnel selection. Suppose that 6 female and 5 male applicants have been successfully screened for 5 positions. If the 5 positions are filled at random from the 11 finalists, what is the probability of selecting
(1) 3 females and 2 males?
(2) 4 females and 1 male?
(3) 5 females?

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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.

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