Let u be the set of all words containing 7 letters(26 letters to the power 7)
Answer:a
Step-by-step explanation:
Cause boys is 2/5 and girls are 3/5
Answer:
Step-by-step explanation:
4ox-16=4[10x-4]this is because 4 is the common factor in both 40and 16
16x-24x-4±12=4[4x-6x-1±3]
-8x-8=8[-1-1]
Answer:
9 terms
Step-by-step explanation:
Given:
1, 8, 28, 56, ..., 1
Required
Determine the number of sequence
To determine the number of sequence, we need to understand how the sequence are generated
The sequence are generated using
Where n = 8 and r = 0,1....8
When r = 0
When r = 1
When r = 2
When r = 3
When r = 4
When r = 5
When r = 6
When r = 7
When r = 8
The full sequence is: 1,8,28,56,70,56,28,8,1
And the number of terms is 9