Answer:
Step-by-step explanation:
:(
Answer:
Step-by-step explanation:
the answer is x<0
because
x-4+4<-4+4
Answer:
x=-20
Step-by-step explanation:
3x+178=6x+238
-3x=60
x=-20
Answer:
76.75 is 25% of 307
Step-by-step explanation:
Answer:
Step-by-step explanation:
let x,y be the sides of court.
2(x+y)=90
x+y=90/2=45
y=45-x
xy=500
x(45-x)=500
45x-x²=500
x²-45x+500=0
x²-25x-20x+500=0
x(x-25)-20(x-25)=0
(x-25)(x-20)=0
x=25,20
when x=25
y=45-x=45-25=20
when x=20
y=45-20=25
sides are 25 ft,20 ft.
