C is the answer I just took the test
Answer:
She took it off at 100 (because of the y-intercept) and it will last 20 hours because of where the line meets the x-axis.
Answer:
true
Step-by-step explanation:
lol sorry mane
Answer:
Step-by-step explanation:
we have
<em>The equation of the first line</em>
------> equation A
<em>The equation of the second line</em>
------> equation B
Solve the system of equations by elimination
Multiply equation A by -4 both sides
--------> equation C
Adds equation B and equation C
<em>Find the value of x</em>
substitute the value of y
Multiply by 3 both sides
therefore
The solution to the system of equations is the point