7 hours
explanation:
30>or equal to 3h+9
subtract non on both sides:
21>or =to 3h
divide by 3:
7>or=to h
The probability that the die will roll 2 or 4 is 1 out of 3 or 1/3rd. 1/3rd of 300 is 100 so it is expected that it will roll either a 2 or a 4 100 times.
Answer:
A negative coefficient just means it is in the denominator of a fraction
Step-by-step explanation:
For example
It looks like a very hard question but try asking your teacher tommorrrow
Answer:
commutative property of addition.
Step-by-step explanation:
In mathematics, a binary operation is commutative if changing the order of the operands does not change the result. It is a fundamental property of many binary operations, and many mathematical proofs depend on it.