- 2. Determine the simple interest rate for each investment Round your answers to one decimal place,where necessary. a) 4000 grows to 5000 in 10 years.
- Hamburgers and bags of chips were sold at a concession stand. One family paid 8.00 for 2 hamburgers and 3 bags of chips. Another family paid 16.50 for 5 hamburgers and 4 bags of chips. Which system of equations can be used to determine the price in dollars of a hamburget, x, and the price in dollars of a bag chips, y? 3x+2y=8 Din 4x+5y=16.5 5x+4y=8 Din) 2x+3y=16.5 2x+5y=8 Di) 3x+4y=16.5 2x+3y=8 Di) 5x+4y=16.5
- b. The mean, median, and mode are equal in a normal diser Is this statement true or false? Explain your answer. c. A normal distribution is bimodal. Is this statement true or false? Explain your answer. d. In a normal distribution, exactly 50% of the population is within one standard deviation of the mean. Is this statement true or false? Explain your answer.
- (3) You are shipping Christmas presents and go to the UPS store and find out that they charge a one-time fee plus a fee bosed on how much each package weighs You have one package that weighs 2 pounds and costs 7 A second package weighs 6 pounds and costs 9 Which equation below would show the cost.y, of shipping a package thal weighs x pounds? a.) y=0.5x+5 b y=0.5x+6 ) y=2x+7 d.) y=6x+9
- 2. Une colonne de beton de forme cylindrique placée a Tentrée d'un music. possede un rayon de 5 pi et mesure 40 pi de haut Determine le volume de cette colonne, a I'unité près.
