Real number system
Which number is an irrational number
A. sqrt 17
B. - 10
C. 5,299
D. - sqrt 9
A. sqrt 17
An (independent or dependent) event impacts the probability from event 1 to event 2?
Dependent
What value of y makes the equation true? 3(2y + 3) = 9y - 15
a) y = 6
b) y = 8
c) y = -2
d) y = -5
b) y = 8
If you want to tip your waiter 20% at Olive Garden, how much would you tip if your final bill is $82.23?
$16.45
Which value could be represented as an integer?
A. sqrt 145
B. -1/6
C. -sqrt10
D. -sqrt361
D.
-sqrt361
Which of the following situations describes an independent event?
a) choosing seven numbers from 0-9, which cannot be repeated
b) pulling three pieces of candy from a bag, one at a time, without replacement
c) tossing a coin and rolling a die
Kylie paid a total of $300 to exercise at a gym. The initial membership fee was $75. Her gym dues were $25 a month. How many months did Kylie go to the gym?
9 months
Nike is having a sale, 15% off all sneakers. If the original price of the shoe is 219.99, how much money would you save with the discount?
$33.00
To which subset(s) of the real number system does -6 belong?
A. Rational, integer, whole and natural
B. Rational, integer, whole
C. Rational, integer
D. Rational
C. Rational, integer
A box contains five cards lettered A, A, B, C, D. If one card is selected at random from the box and NOT replaced, what is the probability that Jill will draw an A and then a C?
a) 1/25
b) 1/20
c) 1/10
d) 2/25
c) 1/10
What is the solution to (n-2)/5 +5 = 7
n = 12
Eric bought a canoe for $333.75. The sales tax was 5.25%. What was his total cost?
$351.27
Which number does not belong to the set of irrational numbers?
A. sqrt11
B. 0.222222.....
C. -sqrt3
D. 8.1222333344444....
B. 0.2222222.....
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 percentage, rounded to the nearest tenth's place)
10%
Max has a $100 gift card to Autobahn Indoor Speedway. He must pay a one-time annual race fee of $7.95 and then each race is $19.99. How many races can he afford?
4 races
A snowmobile priced at $2,800 is on sale for 20% off. The sales tax rate is 8.25%. What is the sale price including tax?
$2424.80
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
A bag contains 3 blue marbles and 2 yellow marbles.
Fill in the blank: One example of independent events using this bag of marbles is randomly selecting a blue marble, ____________________, and then randomly selecting another blue marble.
a) replacing it
b) not replacing it
a) replacing it
Find the value of n. 12(4/3n+1/4)=67
n=4
Rick bought 3 shirts for $18 each, 2 pair of socks for $3.99 a pair, and a pair of slacks for $45.00. The sales tax rate is 8.5%. How much did he pay in total with tax?
$116.07