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Homework Week of January 31, 2011 to February 4, 2011 Name: ______________________________ Block: ______________________________ DUE Friday, February 4, 2011 – WORTH 25 POINTS PER DAY SHOW ALL WORK (USE ANOTHER SHEET OF PAPER, IF NEEDED) Monday 1. Complete the table for the function below. Tuesday 1. Chris wants to reduce a triangular pattern with sides 16, 16 and 20 centimeters. If the longest side of the new pattern is to be 15 cm, how long should the other two sides be? 2. Combine like terms. 2. Silvia’s test scores are 86, 78, and 92. What must she score on her fourth test in order to have an average of 85 for all four tests 3. Antonio has read at least 11 more books than Benji. If Benji has read 25 books, at least how many books has Antonio read? 3. The souvenir model of a Cathedral is 16 inches tall. If the scale is 2 inches = 30 feet, how tall is the cathedral? 4. The Anderson family is making preparations for a party. They figure they will need 12 cans of soft drinks for every 6 people who attend. How many cans will the Anderson’s need if they are expecting 18 people? 4. ABC ~ XYZ . Find the value of x. A x C X 25 10 6 Z 8 Y 5. Mrs. Drama’s class put on a school play, but they have a mathematical problem. The play included three witches. Each witch costume needed 3 3 yards of fabric for the cape and 4 2 1 yards of fabric for the hat. How much 2 fabric did Mrs. Drama need to buy for the three costumes in total? B 5. If w is the length of a room and l is the width, then l w can be used to find the area of the room. Find the area of a room with l = 15 ft and w = 10ft. Wednesday 1. Evaluate the following expression for the given values of the variables. for x = 2 and y = 7 2. Jenni is mixing punch for 18 people. Her recipe, which calls for 2 ½ cups of sugar, serves 12. How much sugar will she use if she adjusts her recipe to serve 18? 3. The temperature on the ground during a plane’s takeoff was –5°F. At 38,000 feet in the air, the temperature outside the plane was – 40°F. Find the difference between these two temperatures. 4. The triangles are similar. Find the value of a. 16 20 a 8 5. If you triple the number of times Elizabeth has cooked dinner for her family and then add 4, you get the number of times her sister Joy has cooked the family’s dinner. If Joy has cooked the family’s dinner 25 times, how many times has Elizabeth cooked dinner? Thursday 1. Justin’s father has 15 employees, including Justin and Abigail. They all make $5.25 per hour. The restaurant brought in $749.54 on Saturday. If all the employees worked 5 hours, how much money did Justin’s father have after paying all his employees? Show your work. 2. What is the algebraic equation for the statement, “Six times the sum of x and y, plus five is twenty”? 3. The value of a share of stock was $42.15 on Monday. The changes in the value for the week are listed in the table below. What was the value of the stock by the end of the day on Friday? Changes in the Value of Stock by Day Day of the Week Change in Stock Value Tuesday -$0.51 Wednesday $1.17 Thursday -$0.24 Friday $0.63 4. According to the label on a box of pretzels, a serving is about 1 ounce, or 12 pretzels. 110 calories are contained in each serving. Pete ate 30 pretzels while he watched his favorite TV show. About how many calories did he consume? 5. Parallelogram PARL parallelogram WXYZ. Find the value of c. X A c 17 P Y R 23 L W 115 Z