Answer: 7
Step-by-step explanation:
Step 1: Subtract 3 from both sides.
6a+3−3=45−3
6a=42
Step 2: Divide both sides by 6.
6a
/6
=
42
/6
Answer:
So the number of total combinations is 35.
Step-by-step explanation:
We know that Ellen must take 4 courses this semester. She has a list of 3 math courses and 4 science courses.
Therefore, she have total 7 courses.
So, we calculate the number of combinations to choose 4 out of 7 courses.
We get:
So the number of total combinations is 35.
Answer: The boys made up 6b of the original class.
Step-by-step explanation:
Answer:
Guys his answer is wrong. It’s 5.50 in edg
Step-by-step explanation:
Answer:
72
Step-by-step explanation:
2x2x13=52
2x2x5=20
52+20=72