Answer:

Step-by-step explanation:
Let
x ----> the number of minutes
y ----> the total charge in dollars
we know that
For x>700 min

so
For y=48.10
substitute

Multiply by 100 both sides
----> equation without decimals
solve for x

To find out the total minutes we need to sum

Answer:
Step-by-step explanation:
6x+8=4x+2
2x=-6
x=-3
they both are -10=-10
Answer:
help with what? what is your q u e s t i o n
Step-by-step explanation:
In a triangle, the total angle is 180 degrees. A straight line is always 180 degrees. With this in mind, the following can be obtained:

These are simultaneous equations.

Answer:
6 words per minute.
Step-by-step explanation:
48 divided by 8 is 6 .