AnswersCommon Core Math 7 - MA3107 CRCumulative Exam

Cumulative Exam — Cumulative exam Answers

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What is the value of ?

Question illustration
A
–10
B
–6
C
6
D
10
42
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A student has $78 in his checking account. If the student spends $12 on lunch, which number could be combined with the amount left in the account to make zero?

A
–90
B
–78
C
–66
D
–12
43

Matthew plots an integer on a number line that has an absolute value of 119. Gabrielle plots a different integer on the same number line that also has an absolute value of 119. Which two integers could Matthew and Gabrielle have plotted?

A
0 and 119
B
0 and –119
C
119 and –119
D
119 and 238
44

Lenore borrowed $400 to pay for car repairs. She needs to pay it back in 2 years with simple interest. Lenore wants to figure out the interest rate of her loan. What additional information does she need to find the interest rate?

A
principal
B
amount of time
C
interest she will owe
D
the type of car repairs
45

What is the simple interest value missing in the table? Principal$2,500Interest rate3.5%Time5 yearsInterest?

A
$43.75
B
$437.50
C
$4,370.50
D
$43,750.00
46

What is k equal to if ?

Question illustration
A
1.6
B
2.5
C
3.8
D
4.8
47

Johan used the table below to show the sample space for choosing an outfit for school.Which outfit is part of Johan’s sample space?

Question illustration
A
black pants, white shirt
B
gray pants, green shirt
C
blue pants, brown shirt
D
white pants, white shirt
48

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?

Question illustration
A
It will take her 2 hours to read 60 pages.
B
It will take her 3 hours to read 120 pages.
C
It will take her 4 hours to read 180 pages.
D
It will take her 5 hours to read 210 pages.
49

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?

A
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.
Option A
B
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.
Option B
C
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.
Option C
D
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.
Option D
50

Chris is standing on a cliff that is 3 feet above sea level. He dives into the water and descends to a depth 10 feet below the surface of the sea. On a number line, what is the distance between the two elevations?

A
7
B
8
C
13
D
14

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