The Number System
Solve the absolute value
|-27|
27
25% of what number is 13
52
Combine Like Terms.
4a - 7b - 13a + 18b
-9a + 11b
What is the circumference of a circle with a diameter of 8 feet?
50.24 ft
Find the mode of the following numbers:
25, 30, 90, 50, 25, 40, 90, 20, 35, 50, 30, 25
25
Is -30 x -40 x 50 x -60 x 70 gonna be positive or negative?
Negative
What is 350% of 60?
210
True or False?
5 is a coefficient of x2.
5x^2+7x-9
True
What is the area of a circle with a radius of 2.5 meters?
19.625 m2
Find the median:
2,4,6,7,8,8,12,15,22,28,52,78.90
12
Find a number such that 4 times the number plus 15 is 9 times the number.
x=3
Express 5 4/5 as a percent.
580%
Which is a member of the solution set for x-25>40
a. -13
b. -2
c. 30
d. 80
d. 80
Find the volume of a cylinder with a diameter of 12 centimeters and a height of 10 centimeters.
1,130.4 cm3
What is the probability of rolling a 2 or 3 when rolling a die?
1/3
What is the new price of a $60 jacket that is on sale by 20%?
$48
x/13 = 28/52
x=7
Which slope is bigger?
A. y=7x+4
B. 3y=6x+9
A. y=7x+4
Is a triangle with sides of 9 in, 12 in, and 15 in a right triangle?
Yes
A pack of M&M's has 8 red, 11 yellow, 6 blue, and 10 blue pieces. What is the simplified probability that I would randomly choose a blue m&m.
2/7
Write 3.14 x 10-3 in standard form.
.00314
1.8 is what as a percent?
180%
149 = q - (-121)
q = 28
Find the measure of angle 7 if the measure of angle 1 is 35o.
145o
Explain what the line of best fit is for a scatterplot.
The line that goes through all of the points that trends in the correct direction.