The 'x' coordinate of the midpoint is the average of the 'x'
Answer:
expanded it would be 0.05 x 50 + 0.05 x 40
Step-by-step explanation:
So the numbers on the credit card can start with any single-digit number
So it could start with;
0
1
2
3
4
5
6
7
8
Or 9
We are looking for the odds of it starting with a 7
There is only one 7, so the numerator is 1
There are then nine other possible numbers it could be, and counting the number 7, there is a total of ten different possibilities, so 10 is the denominator
So the odds of the card starting with a 7 is
1/10
<span> (9+10n)(9-10n) </span>Final result : (10n + 9) • (9 - 10n)
Step by step solution :<span> Step 1 :</span>Final result :<span> (10n + 9) • (9 - 10n)
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