Serial numbers for a product or to be made using two letters followed by four digits the letters are to be taken from the first seven letters of the alphabet with no repeats the digits are taken from the 10 digits (0,1,2,…,9), with no repeat how many serial numbers can be generated

your answer is -9

step-by-step explanation:

answer: rolling a number cube and flipping a coin.

step-by-step explanation:

the polynomial is a perfect square trinomial of the form a^2-2ab+b^2:

option a. true

step-by-step explanation:

9x^2-12x+4

comparing with the form a^2-2ab+b^2

1.) a^2=9x^2

solving for a: square root both sides of the equation:

sqrt(a^2)=sqrt(9x^2)

a=sqrt(9) sqrt(x^2)

a=3x

2.) b^2=4

solving for b: square root both sides of the equation:

sqrt(b^2)=sqrt(4)

b=2

to be a perfet square trinomial 2ab must be equal to 12x. let's check:

2ab = 2 (3x) (2)

2ab = 12x

correct