Assuming the keypad has all 26 letters and the numbers 1-9 there are 2106 possible codes
9x9x26=2106
AQ : QE = 2 : 1 ( property of a centroid of a triangle)
Therefore 2/1 = 18 / QE
2QE = 18
QE = 9 (answer)
Answer:
1136
Step-by-step explanation:
deltamath
Answer:

Step-by-step explanation:
we have

we know that



substitute the values in the expression above

Combine like terms
