She is walking 6.25 ft per second
Answer:
Width=5
Mark brainliest plzzz
Step-by-step explanation:
8x5x3=120
8x5=40
40x3=120
the discriminant b^2 - 4ac when the equation is in the form of ax^2 +bx+c=0
13x^2-16x = x^2 -x
we need to get in it the standard form
subtract x^2 from each side
12x^2 -16x = -x
add x to each side
12x^2 -15x = 0
12x^2 -15x -0 =0
a=12 b=-15 c=0
b^2 -4ac
the discriminant = b^2
b^2 = (-15)2 = 225
I'm perdy sure it's 64/1 but yk it could be something else XD :D good luck!