When you have an equation that has variables and you know the value of those variables, just plug it it. So plugging the vaules we get
Just evaluating we get 4
Answer:
17:33
Step-by-step explanation:
if u are asking for the ratio of total boys to total girls the answer above is correct, if not im not sure what ur asking
Answer:

Step-by-step explanation:
The equation of a circle with center
and radius
is given by

Here the center is:
and radius is
.
Therefore, we have:



Answer:

Step-by-step explanation:
2)
a) elimination method
b) substitution method
c) substitution method
For the first part we can elimate the y variable by subtracting the equations. We can then find the value of x.
For the second part we can substitute y as 2x+5 in the second equation and solve for x.
For the third part we can substitute y as 4x+3 in the first equation and solve for x.
3)

Answer:
There are three liters of milk in each of the new containers.
Step-by-step explanation:
You take the milk from the two fullest containers. Both of those have 4 1/2 liters of milk. Add them together, this makes 9 liters of milk. He then divides the milk evenly into three new containers, so divide 9 by 3. This makes 3 liters of milk per container.