A=LW
L=W-4
A=252
sub W-4 for L
A=(W-4)(W)
252=(W-4)(W)
252=W²-4W
minus 252 both sides
0=W²-4W-252
what 2 numbers multiply to get -252 and add to get -4
-18 and 14
0=(W-18)(W+14)
set to zero
W-18=0
W=18
W+14=0
W=-14
false, we can't have negative width
Width=18
L=W-4
L=18-4
L=14
length=14cm
width=18cm
Answer:
3, 6, 9
Step-by-step explanation:
To find the first 3 terms , substitute n = 1, 2, 3 into the n th term rule.
a₁ = 3(1) = 3
a₂ = 3(2) = 6
a₃ = 3(3) = 9
Answer:
2
Step-by-step explanation:
Hello
We can notice that
so 2 is one solution, we can put (x-2) in factor
So there is no other real solution.
Thanks
Answer:
breads
Step-by-step explanation:
idk
Answer:
13/35
Step-by-step explanation:
13 students choose football.
31 students choose tennis.
this leaves 26 students that chose running.
probability of choosing running is 26/70 = 13/35
