If \(3x-1=11\), what is the value of \(x^{2}+x\) ?
Explanation
3x - 1 = 11 3x = 11 + 1 = 12 \(x=\frac{12}{4}\) \(x^{2}+x=4^{2}+4=16+4=20\)
What are the factors of \(x^{2}-x-12\)?
How many \(2cm^{2}\) pieces of paper can be cut from a square sheet of side length 1.2m?
A phone company charges for \(\$2\)the first five minutes of a phone call and 30 cents per minute thereafter. If Bill makes a phone call that lasts 25 minutes, what will be the total cost of the phone call?
Data from a Sanford C. Bernstein research study indicates that in a recent year, 9.6 billion cases of soft drinks were sold in the United States. The pie chart below summarizes the distribution of soft drink sales by location.
Based on the pie chart, the four largest locations for soft drink sales account for approximately what percentage of total soft drink sales in the year under consideration?
A person bought a fridge for \( \$5,000 \). For how much should he sell it if he wants 20% profit on it?