Answer:
Use a matrix equation to solve the system of linear equations: -2x + 4y= 2, -3x+7y=7 *
Answer:
Step-by-step explanation:
area =l^2
=7^2
=49 km^2
Answer:
100 miles
Step-by-step explanation:
Relative Speed: 60+40=100 mph
you can think that one train is stationary,another one is 100 mph
so one hour before the train pass each other,the distance is 100 miles
Answer:
Standard form of the equation is:
∴
Step-by-step explanation:
Given equation:

To convert the given equation to standard form of equation:

Using distribution.


Adding 2 both sides.


Adding
to both sides.

∴