The answer is 6 because 21+9=30 and 30-6=24 and 24 is the number of students in the class.
It is no answer, because when you get 12x + 48 = 48 + 12x, they cancel each other out.
Answer:
Therefore the solution set is (x , y) = ( 2 , 1 )
Step-by-step explanation:
Given:
...............Equation ( 1 )
...............Equation ( 2 )
...............Equation ( 3 )
To Find:
x = ?
y = ?
Solution:
Using Substitution Method we will have
Substitute above ' y ' Equation 3 in Equation 1 we get
Now Substitute ' x ' in Equation 3 we get
Therefore the solution set is (x , y) = ( 2 , 1 )
Answer:
The 39th triangle number is 780
Answer:
1/6
Step-by-step explanation:
If you divide the numerator and the denominator by 4, you will get a simplified fraction 1/6