4 3/4 - 2/5
Find a common denominator
4 15/20 - 8/20
Solve
4 7/20
The plank is 4 and 7/20 feet long now.
Answer:
{ 0, 3, - 3 }
Step-by-step explanation:
f(x) = x(2x - 3)(x + 3)
to find the zeros let f(x) = 0 , that is
x(2x - 3)(x + 3) = 0
equate each factor to zero and solve for x
x = 0
2x - 3 = 0 ⇒ 2x = 3 ⇒ x = 
x + 3 = 0 ⇒ x = - 3
zeros are { 0,
, - 3 }
Answer:
siny2
Step-by-step explanation:
Answer:
A=pq
2
Step-by-step explanation:
Answer: d = 42/r - 6m/r
Step-by-step explanation: Isolate the variable by dividing each side by factors that don't contain the variable.