The Number System
(10 - 8) x 13 + 6
32
If 5 cans cost $6.35, what is the cost per can?
$1.27
4 + 3p = 19
p = 5
3x + 4 < 7
x < 1
What are two angles that equal 180 degrees called?
Supplementary
(6 + 2) x (7 + 4)
88
It has to go through (0,0) or the origin.
-6k - 13 = 83
k = -16
-2x - 4 > 6
x < -5
If one angle is 45 degrees, what does the other angle need to measure in order to be complementary?
45 degrees
-8 times 7
-56
If a car went from 65 miles per hour to 45 miles per hour, calculate the percent change. (Rounded to the nearest tenth.)
30.8%
17(x + 5) = 0
x = -5
True or False: you have to flip the inequality sign when you are adding or subtracting by a negative number.
False
What is a 180 angle called?
A straight angle or straight line
-64 divided by -8
8
Mandy has $500 in the bank. If she earns 3% interest for 4 years, how much interest will she earn?
$60.00
g/3 -7 = 10
51
True or False: you have to flip the inequality sign when you are multiplying or dividing by a negative number.
True
What are two angles opposite each other, formed by intersecting lines called?
vertical angles
(-2)(-2)(-2)(-2)(-2)
-32
Renee expected 104 people at the wedding. Only 98 showed up. What was her percent error? (rounded to the nearest tenth)
6.1%
-7 = -11 + v/5
v = 20
Write the inequality to represent this word problem:
A coach of a softball team orders hats for the players. Each hat costs $10.50. There is a $15.00 flat rate shipping fee. She has to spend less than $150.00. Use 'h' for the variable to show how many hats she can buy.
$10.50h + $15.00 < $150.00
True or False: Vertical angles can have different measures?
False