Answer:

Step-by-step explanation:
Given
2 number die
Required
P(Sum = 4)
The sample space of 2 die is:


The pairs that adds up to 4 are:


So, the probability is:


Step-by-step explanation:
(x - 2)(2x + 3)
=2x²+3x-4x-6
=2x²-x-6
Answer:
7
Step-by-step explanation:
The mode is the most repeated number in the data set. In this case, that is 7 because it's repeated 3 times.
A 16 karat gold means that there are 16 parts of gold in
24 parts of the gold chain. Therefore the weight of the pure gold is:
pure gold = (16 / 24) * 2.6 ounces
<span>pure gold = 1.73 ounces</span>