Unit Test — Cumulative exam Answers

A train traveled at a speed of 60 miles per hour for 5 hours. How far did the train travel?

12 miles

30 miles

120 miles

300 miles

Eastern Ice Company sells 10 pound blocks of ice in the shape shown. The volume of the block of ice is 375 . What is the height of the block of ice?Use the formula , where l is the length of the prism, w is the width, V is the volume, and h is the height.

2.5 inches

4 inches

5 inches

7.5 inches

Which table correctly converts inches to feet?

A 2-column table with 4 rows. Column 1 is labeled Inches with entries 2, 4, 6, 8. Column 2 is labeled Feet with entries 24, 48, 72, 96.

A 2-column table with 4 rows. Column 1 is labeled Inches with entries 8, 16, 24, 32. Column 2 is labeled Feet with entries 24, 48, 72, 96.

A 2-column table with 4 rows. Column 1 is labeled Inches with entries 24, 48, 72, 96. Column 2 is labeled Feet with entries 2, 4, 6, 8.

A 2-column table with 4 rows. Column 1 is labeled Inches with entries 24, 48, 72, 96. Column 2 is labeled Feet with entries 8, 16, 24, 32.

Tyrone walked 8 miles in a walkathon at a speed of 2 miles per hour. How long was he walking?

4 hours

6 hours

10 hours

16 hours

How many liters of glycerin should be added to 12 liters of an 8% glycerin solution so that the resulting solution contains 16% glycerin? Round the answer to the nearest hundredth if necessary. Original (L)Added (L)New (L)Amount of Glycerin0.96x0.96 + xAmount of Solution12x12 + x

0.18 liter

1.14 liters

1.92 liters

2.10 liters

Kayla created the graph below to represent the solution to the inequality .What errors did she make? Select two options.

She should have used an open circle at the end of the ray.

She should have pointed the arrow to the right.

She should have used a circle at –7 as the end of the ray.

She should have used a circle at –9 as the end of the ray.

Kiara found the solution for the inequality, . What is Kiara’s error?

Kiara should have added 9.5 to each side of the inequality to get the solution .

Kiara should have reversed the variable and the number in the solution to get .

Kiara should have used a closed circle on the graph.

Kiara should have shaded the number line to the right of the circle.

A football field is 100 yards in length. How many inches long is a football field?

300 inches

360 inches

3,000 inches

3,600 inches

Which inequalities have the solution set graphed on the number line? Select two options.

x less-than negative 4

Negative 4 less-than x

Negative 4 less-than-or-equal-to x

Negative 4 greater-than x

x greater-than negative 4

What is the value of 53i 9?

–125i

–15i

15i

125i

Kyoko is reading a book by her favorite author. She read the first 20 pages in of an hour. Reading at the same pace, Kyoko wants to determine if she’ll have enough time to finish the book before she has to go to bed.Reading TimeAccording to the graph, which statement must be true?

It will take her 2 hours to read 60 pages.

It will take her 3 hours to read 120 pages.

It will take her 4 hours to read 180 pages.

It will take her 5 hours to read 210 pages.

What is the unit rate depicted in the graph?

0.75 laps in one minute

1.25 laps in one minute

3 laps in 4 minutes

4 laps in 3 minutes

Which answer shows 35,067,800 written in scientific notation?

3.50678 times 10 Superscript negative 7

3.50678 times 10 Superscript 7

3.50678 times 10 Superscript 8

35067.8 times 10 Superscript 2

Samantha created part of a table to show her savings. She saved at the same rate each week.Samantha’s SavingsWeek1234Money Saved $18$24Which graph shows this relationship?

On a coordinate plane, a graph titled Weekly Savings has weeks on the x-axis and money saved on the y-axis. Points (1, 8), (2, 16), (3, 18), and (4, 24) are plotted.

On a coordinate plane, a graph titled Weekly Savings has weeks on the x-axis and money saved on the y-axis. Points (1, 6), (2, 12), (3, 18), and (4, 24) are plotted.

On a coordinate plane, a graph titled Weekly Savings has weeks on the x-axis and money saved on the y-axis. Points (1, 9), (2, 18), (3, 18), and (4, 24) are plotted.

On a coordinate plane, a graph titled Weekly Savings has weeks on the x-axis and money saved on the y-axis. Points (1, 0), (2, 9), (3, 18), and (4, 24) are plotted.

The school band is ordering health bars to sell for a fundraiser. The company that sells the bars charges $0.40 per bar plus $20.00 for shipping regardless of the size of the order. The band must spend less than $200.00 on bars for the fundraiser. The inequality below relates x, the number of bars that could be ordered, with the shipping costs and their spending requirements.Which best describes the number of bars the band can order?

They can order from 0 to 449 bars, but no more.

They can order from 0 to 450 bars, but no more.

Their order must contain 451 bars or more.

Their order must contain 452 bars or more.

The sound of thunder from a bolt of lightning was heard 2.6 seconds after the lightning hit, from 895 meters away. What was the speed of sound to the nearest tenth of a meter per second?

29.1 meters per second

34.4 meters per second

290.5 meters per second

344.2 meters per second

The high school is 3.6 inches from the middle school on a map. Each half inch on the map represents 0.4 mile. What is the actual distance between the two schools?

2.88 miles

4.5 miles

7.2 miles

9 miles

Yi is told that the item that she wants to buy is still available at a store that is inch on a map from her current location. If the scale of the map is 1 inch = 12 miles, how far away is Yi from the store?