Answer:
(-4,9)
Step-by-step explanation:
substitute the given value for y into the first equation
x-5(-2x+1)=-49
distribute
x+10x-5=-49
add like terms
11x-5=-49
add 5 to both sides
11x=-44
divide both sides by 11
x=-4
now plug x into into the second equation
y=-2(-4)+1
y=8+1
add like terms
y=9
Answer:
C. 35
55 degrees + 35 degrees= 90 degrees
Answer:
7.2
Step-by-step explanation:
the original is 40 and discount is 28% so $40-28%
Answer:
16
Step-by-step explanation:
2/0.25 = 8
2 x 8 = 16
