Integers
-3 + -9 + 5 - (-5) =
-2
If Josephine earns $7.50 for every hour she works, how much will she earn working 2 hours?
$15
Simplify this expression:
-2x + 5 - 3x + -14
-5x + -9 or -5x - 9
Two sides of a triangle measure 3cm and 6cm.
Could 9cm be the length of the other side?
No; The sum of the two shortest sides must be GREAT THAN the third side.
What is the probability of flipping HEADS on a two-sided coin?
Write your answer as a fraction.
1/2
-9 + -12 - (-17) =
-4
If Josephine earns $7.50 for every hour she works, how much will she earn working 5 hours?
$37.50
Solve the equation for x:
5x + -9 = 26
x = 7
A triangle has a base of 13 and a height of 8.
What is the area?
52
In order for a sample to be considered random, every object/person must have a(n) _________ chance of being selected.
equal
8 - (-15) + 24 - 17 + -19 + 2 =
13
Jaylee earns $24 for every 4 hours she works. What is the unit rate in dollars per hour?
6/1 or 6 to 1 or 6:1
Simplify this expression:
-22x + -(45) - 13x - (-4)
-35x + -41 or -35x - 41
True or False:
The cross-sections of a cube include a rectangle, a square, and a triangle.
True.
What is the probability of rolling an even number on a six-sided number cube that has the numbers 1,2,3,4,5, and 6 on each respective side?
Write the probability as a percent.
50%
62 + -35 - 46 + -13 - 4 =
-62
Jaylee earns $24 for every 4 hours she works.
What is the constant of proportionality?
6
Solve the equation for x:
2(5x + -9) = 62
x = 8
The radius of a circle is 7cm.
What is the circumference?
43.96
If you want to collect data about a population, this is the best sample type to use.
Random Sample.
- (82) + (23) - 15 - 47 + 245 =
127
Jaylee earns $24 for every 4 hours she works.
Write the equation that represents this situation in the form y = mx.
y = 6x
Solve the equation for x:
x2 -17 = 64
x = 9
The radius of a circle is 7cm.
What is the area?
153.86
What is the probability of rolling a 6 on a six-sided number cube that has the numbers 1,2,3,4,5, and 6 on each respective side?
Write the probability as a percent.
Round to the nearest 10th.
16.7%