Study Guide 3rd Nine Weeks 2019

A) 3/100

A card will be randomly selected from the cards shown below, and then replaced. A second card will then be selected.

c) 1/12

A cheese sandwich is made from white or wheat bread, cheddar, brick or pepper jack cheese, and low-fat mayonnaise or mustard. If these ingredients are randomly selected, what is the likelihood of a wheat bread, cheddar cheese, and mustard sandwich?

100.5 in

A circle has a diameter of 32 in. Find the circumference of the circle to the nearest tenth. Use 3.14 for Pi .

$ 57.60

A retailer buys a coat in bulk at a unit price of $45. The coat is marked up to 28% to sell in the store. What is the price of the coat in the store?

B) 6

A telephone pole is 60 feet tall. It casts a shadow that is 24 feet long. A tree that is next to the telephone pole is 15 feet tall. How long is the shadow of the tree?

11.1 %

Dennis wants to buy a card for his wife. He notices that the cards are on sale. The original cost of the card is $4.50. Now the card cost $4. What is the percent change in the price?

D) 1/2

Identify the scale factor if the length of a model train engine is 15 inches and the length of the engine itself is 30 feet.

B) 3/2

Identify the scale factor if the length of a model train engine is 36 inches and the length of the engine itself is 24 feet.

20 ft

If an airplane in a 1 in.:4 ft scale drawing is 5 inches long, how long is the actual airplane?

6%

Juan's purchase before sales tax was added totaled $46.00. The total including tax was $48.76. What was the sales tax rate?

C) 4 years

Marta wants to buy a car that costs $ 17,360. She deposits $ 14,000 into a savings account that earns 6% simple interest. How long must Marta leave the money in the savings account to be able to buy the car?

C) On average, third period did better than first period.

Mrs. Myles gave the same test to both her first and third period class. In first period, the mean was 75 and the range was 30. In third period, the mean was 85 and the range was 50. Which is a true statement?

C) about 25% scored higher; about 75% scored lower

Problem 29 Ms. Alison drew a box-and-whisker plot to represent her students' scores on a mid-term test.

B) Data set 2

Problem 30 The box-and-whisker plots show the distribution of two data sets. Which data set has a greater median?

B) Data set 1

Problem 31 The box-and-whisker plots show the distribution of two data sets. Which data set has a greater interquartile range?

A) 34

Problem 32 The box-and-whisker plot shows the ages of clerks in a supermarket.

1/50

The distance between two cities is 400 miles. On a map, they are 8 inches apart. What is the scale of the map?

$71.39

The sales tax in New York is 8.25%. About how much will a $65.95 pair of shoes cost, including sales tax?

28.3 km²

To the nearest tenth, find the area of a circle with d = 6 km. Use 3.14 for .

B) 11 cm, 14 cm, 17cm; D) 2 m, 7m, 8 m

Which of the following side lengths forms a unique triangle?

A) 25°, 50°, 55°

You are asked to draw a triangle using three of the following angles: 0°, 25°, 30°, 45°,50°, 55°, 60°, 80°, 90°, 105°. Which triangle cannot exist? Justify your answer.

C) 116 ft²

problem 27 Kristine wants to do hardwood flooring for her room. A floor plan of the room (in feet) is shown. How much hardwood flooring does she need?