y = 5.25x , y equals the total cost and x is the number of bracelets. What is the constant of proportionality and what does it mean?
5.25 per bracelet
9 + (-2) = (-9) + (-2) =
(-9) - (2) = (-9) - (-2) =
7 -11
-11 -7
-11/40 as a decimal
-0.275
19 = 4x + 3
x = 4
What is the sample space?
MATHEMATICS
MATHEICS-8
A: 3 cups blue, 1 cup yellow B: 27 cups blue, 9 cups yellow
Proportional relationship? Explain
Yes because Yes, both have a ratio of 3 to 1
x + y= x - y =
if x=(-10) and y = (-14)
-24 4
Double Jeopardy
(-2/3) - (-1/2) =
(-1/6)
-9(x-4) = 81
-5
Theoretical Probability is based on __?
Experimental Probability is based on __?
Facts, what could/should happen
Results of an experiment, what DID happen
How does a graph show a proportional relationship?
A straight line that runs through the origin.
(-8)(-6)(-10)
-860
5c - 3d - 12c + d - 6
(-7c) + (-2d) + (-6)
-7c - 2d - 6
Graph the solution on a number line.
8x < 40
x < 5
Open circle at 5 line to the left <<<<<<<<<<5
What is the theoretical probability of getting a sum of a 6 if 2 dice were thrown?
5/36
1/3 mile in 12 minutes. How many miles per hour?
5/3 or 1 2/3 or 20/12
xy - z
if x= (-2), y = (6), z = (-9)
-3
Use the distributive property
-3(8x - 4)
-24x + 12
Graph the solution on a number line. x/-2 < -6
x > 12
Open circle at 12 line to the right
12>>>>>>>>>>>>
These letters were in a bag CHATELLE What is the theoretical probability of picking the letter L as a percent?
2/8 = 25%
2 girls for every 5 boys, how many girls if there are 125 boys?
50 girls
-7 + (-36)/6 =
-13
Find the GCF
27cd, 72cde
9cd
Solve.
2x + 2 = 130
64
Draw a tree diagram for the compound event: Rolling a die, then flipping a coin
12 outcomes