Answer:
x=2
Step-by-step explanation:
add 2x to both sides and subtract 5 from both sides
6x = 12
divide by 6
x=2
Answer:
5.15
Step-by-step explanation:
Answer:
1. terms = 2, 3a, 9a ; like terms = 3a, 9a ; coefficients = 3, 9 ; constants = 2
2. terms = 7, -5x, 1 ; like terms = 7, 1 ; coefficients = -5 ; constants = 7, 1
More information for 3/ 15 for the simplest form
Answer:
%82.5
Step-by-step explanation:
- The final exam of a particular class makes up 40% of the final grade
- Moe is failing the class with an average (arithmetic mean) of 45% just before taking the final exam.
From point 1 we know that Moe´s grade just before taking the final exam represents 60% of the final grade. Then, using the information in the point 2 we can compute Moe´s final grade as follows:
,
where FG is Moe´s Final Grade and FE is Moe´s final exam grade. Then,
.
So, in order to receive the passing grade average of 60% for the class Moe needs to obtain in his exam:

That is, he need al least %82.5 to obtain a passing grade.