Topics 1 & 2
Write 8.26 as a fraction? Simplify.
8 13/20
Find 0.3% of 60.
0.18
Write an equation to represent the description:
Eight more than four times a number is 28.
4x + 8= 28
A die has 12 sides. 6 triangles, 3 circles, and 3 squares.
What is the probability of rolling a triangle?
6 out of 12 (1/2)
or
50%
Base: 7 Height: 5 Unit: inches
35in2
What is the equivalent expression? (116)2
1112
An auto insurance company pays 12% commision to its agents for each new insurance policy they sell. How much commission does an agent make on a $1000 policy?
$120
Four times a number, n, added to 3 is 47.
4n + 3= 47
Monica rolls a fair die. Find P (rolling a 4).
1/6
What is the circumference of a circle with a radius of 8 inches?
50.24in
What is the constant of proportionality in the equation y=5x?
5
Evaluate each expression for the given value of the variable. 4c - 3; c= -2
-11
15% of comic books were sold at a book fair that had 580 books in all. How many comic books were sold out of the 580 books?
87 comic books
250 people is surveyed at the airport.
City A: 38
City B: 42
City C: 20
Find the experimental probability that a person is going to City B.
16.8%
The diameter of a quasadilla is 14 inches. What is its area? Use 3.14 for pi.
153.86 in2
What is the equivalent measure? 5 in=? cm
12.7 cm
Write the expanded form of the expression. y(0.5+8)
0.5y + 8y
The measure of variability that better describes the data.
Range
250 people is surveyed at the airport.
City A: 38
City B: 42
City C: 20
Find the experimental probability that a person is going to City A.
15.2 %
Find the SA of a cyclinder with a height of 12 cm and a diameter of 4 cm.
175.84 cm2
Approximately how many ounces are quivalent to 1kg?
35.2 ounces
Combine like terms. (-3y-5)+(5m+7.8y)+(6+9.2m)
14.2m+4.8y+1
How can I get the IQR of a box plot?
Quartile 3-Quartile 1=IQR
250 people is surveyed at the airport.
City A: 38
City B: 42
City C: 20
Find the experimental probability that a person is going to City C.
8%
What is the volume of the cylinder?
Diameter: 20m; Height: 43m
13,502m3