1st letter can be any of 5 letters
2nd letter can be 5-1 any of 4 letters
5*4 = 20
there are 20 possible passwords
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:
= 215008. 21 in²
Step-by-step explanation:
Answer: With a variable. A variable is a letter you use in an equation , like this: 7+x=14, X is a classic one but you can use any letter u please! (In my school at least.)
Answer:
0.2
Step-by-step explanation: