Answer:
28
Step-by-step explanation:
when x = 7,
Substituting value of x in the given equation,
x(x-3)
=> 7(7-3)
=> 7(4)
=> 28
The first one is eight 4400-2400=2000 2000/250=8
It should be 1 over 2 or 1 over 11 but im pretty sure its the first one I picked
Answer:
width = 18 cm
Step-by-step explanation:
perimeter of rectangle = 2(length + width)
then:
90 = 2(27+w)
90/2 = 27+w
w = width
45 = 27+w
45 - 27 = w
18 = w
Check:
90 = 2(27+18)
90 =2*45 =
