Number Systems
Which expression has the least value when X=100?
A. 1/X
B. 10/X
C. 1-X
D. 10-X
What is C, 1-X
Which expression is equivalent to 3x-(2x+4)+5?
A. x+9
B. X+1
C. 5X+9
D. 5X+1
What is B: X+1
Square RSTU is inside trapezoid RSVU. What is the measure, in degrees, of angle VSR?
135
What is $0.04 per pound.
The cafeteria staff made sandwiches. Each sandwich had either rye or white bread, either ham or turkey, and either cheese or no cheese. The staff made an equal number of each type of sandwich. The sandwiched were placed on a tray. Without looking Mary chose a sandwich. What are the chances that Mary will get a sandwich with cheese?
What is 1/2
Kevin is paid $8.80 per hour. He worked 7 hours. He gave his mother a 1/4 of his earnings. How much did Kevin have left?
$46.20
Which expression is equivalent to 2(3-x) - 12+4x?
A. 3x-6
B. 3x-7
C. 2x-6
D. 2x-7
What is C, 2x-6
14
Mr. Kelly pays $12,564 a year for rent. His rent is a constant amount each month. Which equation represents the amount he pays per month if m=months and c=total rent paid for the year?
A. 1,047m=c
B. 1,047c=m
C. 1,047 + m = c
D. m / 1,407 = c
A. 1,047m = c
A number spinner with 4 equal sections are labeled with the numbers 1, 2, 3, 4. If the spinner is spun twice, what is the probability of spinning an odd number both times?
1/4
Craig earns the same amount of money each month. His telephone bill is 1/20 of his monthly earnings, and he pays a total of $720 each year for his telephone service. How much does Craig earn each month, in dollars?
$1200
Kyle bought x pencils. He paid %1.24, including tax, per pencil. He gave the cashier $20 and received $5.12 in change. How many pencils did Kyle purchase?
What is 12 pencils.
If the line ST is broken into 2 angles, what is the value of X if the one angle measure x and the other angle measures (2/3x)?
108
Janet can make 4/5 of a necklace in 20 minutes. At this rate, how many necklaces to the nearest tenth of a necklace, can Janet make in 1 hour?
2.4
Jamal, Gary, Charlie, and Brian are going to stand in a line, one behind the other. In how many different ways can they stand in the line?
24
A library has 12,500 fiction books and 19,000 nonfiction books.
~Currently, 2/5 of the fiction books are checked out.
~Currently, 2/5 of the nonfiction books are checked out.
~Of the books checked out, 1/10 are due back this week.
How many books are due back this week?
1260 books
Four friends each flipped a coin different numbers of times.
~Alice got heads 75% of the time
~Mary got heads 8 out of 10 times
~Sarah got heads 17 out of 20 times
~Ellen got heads 3/5 of the time.
Who had the greatest percentage of heads?
Who is Sarah?
Martin orders a pizza with a 16-inch diameter. Ricky ordered a pizza with a 20-inch diameter. What is the approximate difference in the area of the two pizzas?
113 inches
25%
Two teams competed in 5 games.
Team 1 scores: 51, 47, 35, 48, 64
Team 2 scores: 27, 55, 53, 38, 41
What is the difference in the mean absolute deviation of the two teams?
2.16
What choice has a value closest to the value of the following expression? 17/12 - 49/40?
A. 1/4
B. 1/5
C. 1/6
D. 1/7
B. 1/5
What is the value of y when -5= y-7?
2
Circle M has a radius of 7cm. The shortest distance between P and Q on the circle is 7.3 cm. what is the approximate area of the shaded portion of circle M?
25.6cm
A car used 1/64 of a gallon of gas to drive 1/4 of a mile. At this rate, how many miles can the car travel using 1 gallon of gas?
16 miles
The scores for the students in Mr. Miller's math class are shown here:
52, 61, 69, 76, 82, 84, 85, 90, 94
What is the range of the test scores?
42