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:
30
Step-by-step explanation:
You can use the triangle area theorem-
15x4(/2)=30
Answer:7.25
Step-by-step explanation: when you multiply 7.25 both sides the 7.25 on the left will cancel out the 7.25x leaving x = 29
Answer:
$6.79
Step-by-step explanation:
Answer:
40%
Step-by-step explanation:
1+.40=1.4
1.4 x 15 = 21
