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Some of the questions in this unit may be answered by recording an audio file. If you chose to record the answer, click on the "Add Recording button and follow the on-screen instructions closely. Once you have completed and attached the recording, enter the word “COMPLETE” in the text box. (Note: If your computer does not have a built-in microphone, a microphone or microphone/headset combination is needed to record audio.) |
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| 2)
Which mathematical expression results in an answer of twenty-one? |
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| 5)
Which answer best describes the solution? |
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| 8)
A beaded necklace is 24 inches long. If each bead is 3/4 of an inch long, how many beads are in the necklace? |
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| 9)
One hundred is multiplied by a number between 0 and 1. Which of the following could be an answer? |
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| 11)
The given number is what type of number? |
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| 13)
Translate the phrase into an algebraic phrase: “twice the difference of twenty and y”. |
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| 24)
Nichole had $1800 in her savings account. She withdrew $540 to buy Christmas gifts. By what percent did her savings account decrease? |
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Arrange the height of the pine trees listed in the table below from shortest to tallest, and then answer the next two questions. |
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| 28)
Refer to the graphs below and the following statistics to select the correct phrase about the two box-and-whiskers plots. The lower extreme data is 13, the interquartile range is 2, and the upper quartile is 16. |
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| 29)
True or False. The red line in the scatter plot is the line of best fit and shows a positive slope. |
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| 30)
What type of correlation does this scatter plot display? |
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| 31)
Suppose you are an employee in the marketing department of Mamma Mia’s Pizzeria, and your are assigned the task of conducting a survey to determine customer satisfaction with the pizza. Describe an unbiased way to conduct the survey. |
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| 32)
What are the odds in favor of spinning a 2? |
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| 33)
Take the letters “J, K, L, M, N, and O” and find all the two-letter arrangements according to the following terms: (1) the order in which the letters occur does not matter, (2) arrangements such as “JK” and “KJ” count as the same arrangement, and (3) no letter is used twice in the same arrangement like “JJ”. List all of the two-letter arrangements and state the total number of arrangements. |
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| 35)
Jacob rolled a single die. What is the probability that he rolled a number greater than two? |
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| 36)
Lacy chose two marbles from a bag without replacing them. The contents of the bag are described below. What is the probability that Lacy will choose a yellow marble, and then a blue marble? |
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| 37)
Connie played a game that involved a single die and a spinner. To win, she had to roll an odd number on the die and land on an even number of the spinner? What is the probability that she won the game on her first try? |
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| 38)
The beakers shown below contain different amounts of water. Which beaker has about 300 milliliters of water in it? |
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| 39)
Howard is laying an oak wooden floor in his house. The measurements of the floor are 14.5 feet by 40 feet. The wood is packaged in boxes. Each box will cover 18 square feet. How many boxes of wood must be purchased to cover the floor? |
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| 43)
Name three angles (using three letters) that share vertex L. |
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| 46) If you were directed by your school to complete Offline Activities for this course, please enter the information on the Log Entry form. |
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