Akeycode must contain 2 letters and 3 numbers. the letters may be any letter of the alphabet. the numbers should be any number from 0 to 9 how many different keycode combinations are there?

the solution is the point

step-by-step explanation:

we have

> equation a

> equation b

adds equation a and equation b

substitute the value of x in equation b to find the value of y

the solution is the point

(1, –1), (16, –4), (36, –6)

step-by-step explanation:

given that the function is

this can also be written as

we have to graph this function and check which list of points lie on the graph

see attachment for graph:

we find that the points lying are (1,-1) (16,-4) and (36,-6)

since square root is there we find that x can only be posiitve but y can be since square root both positive and negative.

answer: both chords and diameters have two endpoints on a circle. diameters must intersect the center of a circle.