Show:
Geometry
Algebra
Probability
Statistics
Circles
100
What is the supplement of a 40° angle?
140°
100
A car gets 24 miles per gallon of gasoline (mi/gal). How many gallons of gasoline would the car need to travel 144 miles?
6 gallons
100
In her pocket, Kira has 2 red marbles, 2 green marbles, and 2 blue marbles that are all the same size. If Kira picks one marble out of her pocket without looking, what is the probability that it will be either red or green?
2/3 (4/6 for 50 points)
100
Emil wants to find out the most popular football team at a game between the home team and the visiting team. Which of the following methods will give him the most accurate results? A surveying the cheerleaders for the home team B surveying people wearing hats for the visiting team C surveying a group of people standing in line for tickets D surveying people who do not live in the home team’s city
C surveying a group of people standing in line for tickets
100
What equation could be used to find the area in square inches of a circle with a radius of 10 inches?
A = pi x 10^2
200
What is an acute triangle?
A triangle with 3 acute angles
200
It takes a machine 12 minutes to fill 200 bottles of soda. At this rate, how many minutes will it take the machine to fill 500 bottles of soda?
30 minutes
200
Paul has the following t-shirts: 3 Green, 4 Red, 5 White, 8 Blue, 20 Total If Paul chooses a T-shirt without looking, what is the probability (%) that it will be blue?
40% (8/20, 4/10, or 2/5 for 100 points)
200
Wendy wants to take a survey to determine which flavor of ice cream is the most popular at her school. Which of the following methods is the best way for her to choose a random sample of the students at her school? A selecting ten students from each homeroom B selecting members of the girls’ softball team C selecting members of the boys’ basketball team D selecting students who like her favorite flavor of ice cream
A selecting ten students from each homeroom
200
A Ferris wheel at the local fair has a diameter of 46 meters. Which expression can be used to find its circumference, C, in meters?
C = 46 x pi
300
An isosceles triangle has two sides with length 2x. The third side is of 1 1/2x. What is the perimeter?
5 1/2x
300
Trish’s resting heart rate is 50 beats per minute. For every minute she exercises, her heart rate increases 5 beats per minute. How long will it take her to reach a heart rate of 120 beats per minute?
14 minutes
300
Mason has 10 black, 12 white, and 3 brown pairs of socks in one drawer. What is the probability (%) that, without looking, Mason will pick a brown pair of socks from the drawer?
12% (3/25 for 150 points)
300
Celia has a large container in which four different kinds of coins are thoroughly mixed. She wants to take a sample of her coins to estimate which kind of coin she has the most. Which of the following methods is the best way for her to select a sample? A taking one coin from the container B taking coins until she has one of every kind C taking ten coins of each type from the container D taking thirty coins out of the container without looking
D taking thirty coins out of the container without looking
300
A bicycle wheel has an inside radius of 14 inches. Which expression could be used to find the inside circumference of this wheel?
2 x 14 x pi OR 28 x pi
400
A rectangle has length 22 inches and perimeter P inches. What equation could be used to find the width of the rectangle?
P =30 +2w
400
Marcus spent $3.25 to wash his car. If one quarter operates the car wash for 60 seconds, how long did it take him to wash his car?
13 minutes
400
A store is selling USA Spirit T-shirts. The shirts are available in red, blue, and white. Shirts of each color are available in sizes small, medium, large, and extra large. Aimee will randomly select one shirt from a shelf. If the shelf contains equal numbers of shirts in each color and size combination, what is the probability that Aimee will select a large shirt?
1/4 (3/12 for 200 points)
400
Marguerite earned a score between 75 and 89 on all of her previous spelling tests. She earned a score of 100 on her next test. Which of the following statements is true? A The mode will increase. B The mean will increase. C The mean will decrease. D The median will decrease.
B The mean will increase.
400
The top part of a hat is shaped like a cylinder with a diameter of 7 inches. What is the measure to the length of the band that goes around the outside of the hat? (use pi = 3.14)
21.98 in.
500
A tank is in the shape of a triangular prism. If the triangular base has an area of 116 square feet, and the tank is 30 feet tall, how much water would the tank contain when it is full?
3480 ft
500
A water tank will hold 50 gallons. What flow rate, in gallons per second, is required to fill the tank in 20 seconds?
2.5 gal/sec
500
Ms. Hatley is going to choose one person from each of the two lists below to represent the class in student council. List one: Ann, Carlos, Lisa List two: Dave, Mia What are all the possible choices of two people?
(Ann, Dave), (Ann, Mia), (Carlos, Dave), (Carlos, Mia), (Lisa, Dave), (Lisa, Mia)
500
A snack bar sells 5 items with a mean (average) price of $0.60, as shown below. Which pair of items could be added to the menu without changing the average price? A Banana ($.60) and Soda ($.75) B Banana ($.60) and Cookie ($.50) C Energy Bar ($.45) and Cookie ($.50) D Energy Bar ($.45) and Soda ($.75)
D Energy Bar ($.45) and Soda ($.75)
500
A dime has a radius of about 0.85 cm. What is the circumference of a dime? (use pi = 3.14)
5.338 cm