# Algebra homework help (page - 7)

## Search Results

How do you add or multiply in mod 7?

Emmalea’s scented candles sells candles and tarts. Emmalea wants to produce more revenue by selling a combination pack of her most popular tarts. The tarts that are most popular are …

Create a truth table to determine whether the Boolean expressions (x ^ (y ^ z)) V [ x’ V ((x ^ y) ^ z’)] and x’ V y are equivalent. ^ = and V = or ' = complement

A mall has three department stores, J C Penney, Macy’s, and Sears. A survey of 1452 people exiting the mall found that 348 made a purchase at J C Penney, 280 made a purchase at Macy’s, …

1. In your own words, what are rational expressions? Why must we always be mindful of the final value of the denominator in a rational expression? For example, consider the rational …

**Week 6 Project – Fueling Up**Motorists often complain about rising gas prices. Some motorists purchase fuel-efficient vehicles and participate in trip reduction plans, such as carpooling …

1. The Morrison family bought a car for $24,000 which was financed at $600 per month for 40 months. The down payment was $5000.

a. What is the Installment Price? (5 Points)

b. What is …Sophia is planning the graduation banquet. The caterer charges a fixed amount plus an additional charge for each person who attends. The banquets will cost $ 11 250 if 600 people attend …

Mike is building two types of doghouses. One is cheaper than the other. The cheap one takes 4 pieces of wood and takes 2 hours to build. The more expensive, takes 10 pieces of wood and 7 …

1. How can you explain the reason why we cannot divide by 0?

2. Have you tried to divide a number by 0 in a calculator? Try it. What do you get as a result? What are your …

How can you apply the relationship of percents and ratios to everyday living situations? Provide an example.

Emily wants to buy turquoise stones on her trip to New Mexico to give to at least 4 of her friends. The gift shop sells stones for either $4 or $6 dollars per stone. Emily has no more …

1)Find the a) present and b) future values of an income stream of 4000 dollars a year, for a period of 5 years, if the continuous interest rate is 6 percent.

present value = dollars

…A clothing store is having a sale. Every 3rd customer receives a shirt, every 5th a sweater, and every 7th a pair of jeans. How many customers receive all 3? How many receive 2? How many …

Why is it important to simplify radical expressions before adding or subtracting? How is adding radical expressions similar to adding polynomial expressions? How is it different? Provide …

Explain:

Factoring a polynomial when its leading coefficient is 1:

Factoring a polynomial when its leading coefficient is not 1:

Show that gcd(a, bc)=1 if and only if gcd(a,b)=1 and gcd(a,c)=1.

If s divides a-b why a mod s = b mod s?

Give an example of how systems of equations in 3 variables can be used to solve a problem from health care field.

Find the upper bound and lower bound for the real zeros of the polynomial x^4 + 5x^3 - 2x^2 + 4x + 1

Part 1

In your own words, define the word “function.”

Give your own example of a function using a set of at least 4 ordered pairs. The domain will be any four integers between 0 …