Answer:
$3000 is his original salary.
Step-by-step explanation:
3450 / 1.15 = 3000
Answer:
N= -8
Step-by-step explanation:
you will add 10and 6 to get 16
then add 8 to each side to cancel out. 16+8 will give you 24. now subtract the 8 off of in onto 5n
5-8 will give you -3. Now you need to divide -3 off of N on both sides so it cancels. -3÷-3=N....24÷-3=-8. Giving you N=-8
The first digit of the password can be any of the ten digits - 10 possibilities.
A digit cannot be repeated, so the second digit can be any digit except the one you chose for the first digit - 9 possibilities.
The third digit can be any digit except the digits you chose for the first and second digit - 8 possibilities.
Using the rule of product:

There are 720 passwords.
Answer:
Proven
Step-by-step explanation:
We prove the polynomial with factorization. We must first simplify the expression before we can factorize:



4 is the common number and we can take it out of the expression:

We can factorize further with the x term being zero. For this to be true we must have -2x and 2x to cancel out and therefore the expression is proven:
