Answer:
56
Step-by-step explanation:
1 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10
2 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10
4 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10
7 + 4 + 5 + 6 + 7 + 8 + 9 + 10
11 + 5 + 6 + 7 + 8 + 9 + 10
16 + 6 + 7 + 8 + 9 + 10
22 + 7 + 8 + 9 + 10
29 + 8 + 9 + 10
37 + 9 + 10
46 + 10
56
Hope this helps!
Also hi
Answer:
You make a factor tree for (-)40 where the factors of -40 are -8 and +5. This becomes (x+5)(x-8) which can be multiplied to get back to the starting point.
Cfccc Heath subject is this. H
