Answer:
f(x)=ax2+bx+c
Step-by-step explanation:
Answer:
x^2 + 6x +9 = 0
(x+3)^2 = 0
(x+3)(x+3)= 0
Step-by-step explanation:
Answer:
There are 604,800 possible permutations.
Step-by-step explanation:
The order in which the digits are chosen is important, which means that the permutations formula is used to solve this question.
Permutations formula:
The number of possible permutations of x elements from a set of n elements is given by the following formula:

In this question:
7 digits from a set of 10(10 digits to 0-9). So

There are 604,800 possible permutations.
Answer:
40.25 I guess
Step-by-step explanation:
Answer:
25%=$8.74 7.5%=$2.62
Step-by-step explanation: