7th grade Semester test review

The temperature of a pot of water is 45 degrees Fahrenheit. The temperature increases by 20 degrees Fahrenheit per minute when being heated. What is the equation to represent this scenario?

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Which diagram best represents all possible outcomes of rolling a number cube, numbered 1 through 6, one time?

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Donald has 4 marbles in a bag – two red, one blue, and one green.  He draws one marble from the bag and without replacing it, he draws another marble. Which sample space represents all possible outcomes of this experiment?

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A fast-food restaurant plans to randomly include one of four different toys in each children’s meal they sell.

Which simulations could be used to determine the random toy that will be included in the first 100 children’s meals?

Select TWO correct answers.

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Three of Ms. Kramer’s classes are going on a field trip. Each class has an equal number of boys and girls. Ms. Kramer is creating groups that have one student from each class by randomly selecting student names from a list. Which simulation could Ms. Kramer use to create the groups for the field trip?

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Bobby had a box of berry flavored hard candies.

• Fifteen candies were strawberry flavored.

• Twelve candies were blueberry flavored.

• Thirteen candies were raspberry flavored.

Bobby picked one candy from the box without looking. What is the probability, written as a percent, that the candy he picked was NOT raspberry flavored?

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Pam needs to spend no more than $40 on her school supplies. She spends $12 on a new calculator and wants to buy 7 binders. 

 

Write an inequality to model this situation.

Veronica is an English tutor. She charges $60 for each tutoring session plus $0.75 per mile that she has to drive to and from the session. Veronica doesn’t want to take a job where she has to drive more than 16 miles. What is the most money she can make in one tutoring session?

Consider the inequality −3x − 4 < −7.

 

Choose the correct answer to complete the statement on how to graph the inequality above.

To graph the solution of the inequality, there would be   ____________          circle at ________                        with the arrow shaded to the    _____________.

• an open

  -1

  right

• a closed

  -1

  left

• an open

  1

  right

• a closed

  1

  right