Answer:
3 cm, 4 cm, 5 cm
Step-by-step explanation:
Method 1:
The recursive formula states that every next term is three times the previous one, plus two.
So, we have:
Method 2:
You can write the expression for , and use the recursive formula until you get to the starting point:
Now use the fact that to get the conclusion
Set up a proportion!
40 minutes / 5 holes = m minutes / 20 holes
Cross multiply.
800 = 5m
m = 160.
It will take him 160 minutes to dig 20 post holes.
Good luck Fabian!
Hope this helps
Answer:
5 millimetres
Step-by-step explanation:
Area of rectangle = lenght x width
35 = 7 x width
Width = 35/7
Width = 5 mm
Answer: 9994
Step-by-step explanation: