Answer:
The main difference is that one has the equal sign before it while the other has it after.
You can decide which one to use based on each individual expression. If you are still simplifying, put it like this: ()=. If you are done simplifying and have your answer and are using a parenthesis, put it like this: =()
Step-by-step explanation:
Answer:
4 in^2
Step-by-step explanation:
The rate is 1:5
Exact form is 469/12 decimal form is 39.083 repeating and mixed number form is 39/1/12
Answer:
Helene is right
Step-by-step explanation:
Mathematically, the expected values is defined as the sum of all the possible outcomes that an event can have times the probality of the respective outcome:
x = ∑ p *i,
where x is the expected value, i represents every outcome that can occur, and p is the probability of said outcome.
Now, for the case of a dice, the expected value would be:
x = 1 *
+ 2 *
+ 3 *
+ 4 *
+ 5*
+ 6 *
,
as every outcome has the same chance of happenning. Solving we get that:
x=
*(1 +2 +3 +4+5+6) =
* 21 = 3.5
Helene is right.
Unlike terms I guess meaning a zero pair?