Give two red cards, three blue card, 1 green card, 4 yellow cards. Find the Probability of drawing a red card and putting it back and drawing a yellow card.
P(Red then Yellow)
What is 2/10 x 4/10
= 1/5 x 2/5 = 2 /25
300
25 - (-5)
What is 30
300
a (1/a) = 1
What is inverse property of multiplication
300
-3^4
What is -81
300
write an expression for "2 times the quantity 3 times c plus 9"
What is 2(3c + 9)
300
Find the odds in favor of getting a number greater than 5 when rolling a number cube.
What is 1:5
400
-17 - (-23) + 4
What is 10
400
a(b + c) = ab + ac
What is distributive property
400
(3-14)/(-2)
What is 11/2=5.5
400
a[2 + b(2+c)]
What is 2a + 2ab + ac
400
In a drawer you have 4 pairs of black socks and 2 pairs of white socks. If you reach in without looking what is the probability of choosing two black socks?
P(black then black)
What is 14/33
500
10 - (-12) + (-6) - (-2)
What is 18
500
a + bc = a + cb
What is commutative property of multiplication
500
Evaluate the expression x/y for x = 2/5 and y = 3/10
What is 4/3 or 1 1/3
500
-[-5(y+2z) -3z]
What is 5y + 13z
500
In our class there are 30 students. If everyone's name is in a basket, find the probability that your name and your friends name get drawn in that order.
P(Your name and Your friend's name)