Probability
There are 15 girls and 13 boys in 6th period. If Coach Mullins randomly selects a member of 6th period, what is the probability that she will select a boy?
13/28
In an equation or inequality, you want to get the variable...
isolated (by itself)
List all the classifications of numbers that apply to the real number.
-18/6
Rational, Integer
4x + 5x = 27
3
The cafeteria has 2 choices of salads, 3 choices of entrees, and 2 choices of beverages. How many meal combinations are available and why?
12 because 2(3)(2)
Will my dot be colored in?
5 ≥ x
Yes
A repeating decimal is what type of number?
Rational
x/4 + 9 = 11
8
A farm has 5 brown cows and 10 white cows. A fence is open and two cows escape. What is the probability that it will be a brown cow, then a white cow?
5/21
10 ≥ x - 3
x ≤ 13
All Integers are whole numbers
False
2(2t - 3) = 6(t + 2)
t=-9
What type of probability is drawing a King from a deck of cards, putting it back in the deck, shuffling the deck, and then drawing a Jack?
Independent
The maximum score on the pilot's test is 95 points.
p ≤ 95
Which statement is NOT true?
Every rational number is also a whole number.
Find the Error
What error did the student make when solving the equation:
1/5x + 6 = 3/5x + 5
1x + 6 = 3x + 5
-2x + 6 = 5
-2x = -1
x = 1/2
The student did not multiply all terms by the common denominator
There are 23 marbles, each a different color in a bag. One of them is pink. What is the probability of reaching in to the bag, without looking, and selecting a pink marble?
1/23
Solve the inequality.
x + 5 ≤ 13
x ≤ 8
Classify the number 3
Natural, Whole, Integer, Rational
-4x = 24
-6