Percent Change & Probability
a) Choosing a marble from a bag, putting it in your pocket, and then selecting another marble.
b) pulling three pieces of candy from a bag, one at a time, without replacement
c) Spinning a spinner with 10 equal sections twice.
c) Spinning a spinner with 10 equal sections twice.
Which of the following sets of angles are vertical?
a.) < A = 57 , < B = 33
b. < M = 33, < N = 147
c.) < T = 41, < S = 41
d.) < F = 60, < G = 30
c.) < T = 41, < S = 41
What does the graph look like for the inequality:
6 < x
a.) open circle, arrow pointing to the left
b.) open circle, arrow pointing to the right
C.) closed circle, arrow pointing to the left
d.) closed circle arrow pointing to the right
b.) open circle, arrow pointing to the right
Does this set of ordered pairs represent a function?
(3, 1) (4, 32) (6, 13) ( -3, 11) (-7, 21)
Yes
Janelle bought a drum set for $1,999.00 at Music City. She has a 15% off coupon for her purchase. What is the total cost of the drumset?
$1,699.15
There is a basket with:
- 3 bags of doritos
- 2 bags of takis
-7 bags of pretzels
What is the probability that George takes a bag of Doritos, puts it back, and then selects a bag of pretzels.
Leave your answer as a percent rounded to the nearest whole percent.
16%
If < A and < B are supplementary, and < B = 87 degrees, what is the measure of < A?
Grant went bowling on Saturday. It costs $12 to rent shoes and an additional $9.50 for each game that you play. If Grant spent $50 on saturday how many games did he play?
Write the correct equation, but do not solve.
9.50x + 12 = 50
y = 2x
b = 0
Which statement is true?
A. some integers are irrational numbers
B. Every terminating decimal is an integer
C. Every integer is a whole number
D. All integers are rational numbers
D. All integers are rational numbers
The stock price of a company was $56 in January. In March, the stock price was $1.20. What is the percent change in the stock price?
Round your answer to the nearest whole percent.
98%
Which of the following side lengths could represent a right triangle?
a) 1, 1, 2
b) 8, 15, 17
c) 1, 2, 3
d) 20, 25, 30
b) 8, 15, 17
Solve the inequality:
-3x + 5 > 38
x < -11
What is the domain of the relation:
(3, 1) (4, -2) (3, 6) (-5, 0) (4, 0)
{-5, 3, 4}
Find the surface area of a pyramid with a height of 12in, slant height of 13in, and side length (on the base) of 10 in.
include units in your answer.
S.A. = 360 cubic inches
Lawrence has these tiles that are the same size and shape.
- 6 blue
- 9 green
-10 orange.
What is the probability that Lawrence will randomly select an orange tile, not replace it, then randomly select a blue tile?
Leave your answer as a fully simplified fraction.
1/10
The diagonal of a TV screen is 20 inches and the width is 16 inches. What is the height of the TV screen? Round your answer to the nearest tenths place.
12 inches
Solve the equation:
-60 = -2x + 7(6x + 20)
x = -5
What is the slope in this equation AND how would you move on the graph?
y = 5/2x - 9
m = 5/2
You would move up 5, to the right 2
A (-6, 0) B (9, -11) C (7, 8)
Which of these shows points A, B, and C after being reflected over the X-axis?
a.) A'(-6,0) B'(9, -11) C'(7, 8)
b.) A'(6, 0) B'(-9, -11) C'(-7, 8)
c.) A'(-6, 0) B'(9, 11) C'(7, 8)
d.) A'(-6, 0) B'(9, 11) C'(7, -8)
d.) A'(-6, 0) B'(9, 11) C'(7, -8)
41% decrease
Angles A & B are complementary. If < A = 4x+5 and < B = 10x + 1, what is the value of x?
x = 6
Solve:
1/2 ( 6x + 4) = -4(x - 5) + 1
x = 3
What is the slope of this equation?
y -3/4x = 6
m = 3/4
Simplify the expression:
- (2x - 4) + 1/3(12x + 27)
2x + 13