Chapter 3: Problem 4
Solve the equation. $$r+3=2$$
Over 30 million students worldwide already upgrade their learning with Vaia!
All the tools & learning materials you need for study success - in one app.
Get started for free
Solve the equation \(\frac{1}{9} x+1=4\) by following each sequence of steps described in parts (a) and (b). Which method do you prefer? Explain. a. Multiply and then subtract. \(\quad\) b. Subtract and then multiply.
Find the resulting unit of measure. (miles) \(\div\) (miles per hour)
Use the following information. A person has quarters, dimes, and nickels with a total value of 500 cents ( 5.00 dollar). The number of nickels is twice the number of quarters. The number of dimes is four less than the number of quarters. Explain why the expression \(5(2 q)\) represents the value of the nickels if \(q\) represents the number of quarters. How can you simplify the expression?
You earn 9 dollar per hour. On major holidays, such as Thanksgiving, you earn twice as much per hour. You earned a total of \(\$ 405\) for the week including Thanksgiving. Write and solve an equation to find how many hours you worked on Thanksgiving if you worked 35 hours during the rest of the week.
Apply the distributive property. $$-5(-y-7)$$
What do you think about this solution?
We value your feedback to improve our textbook solutions.
