Answer:
81:324
Step-by-step explanation:
3+12=15
405 div 15 =27
3 times 27 = 81
12 times 27 = 324
81:324
Its adding 8 each time
100th term is 805
Answer:
This is not correct.
Step-by-step explanation:
10 ml = 0.01 cm³.
Now, to find that is this correct or not.
As, the unit rate is:

Thus, 
So,
is not correct.
Therefore, this is not correct.
Answer:
c
Step-by-step explanation:
blocking is not used in this experiment
Given:
A rope tied from a tent pole to a stake in the ground forms 55 degrees angle with the ground.
The pole is 3 feet from the stake.
To find:
The length of the rope to the nearest tenth of a foot.
Solution:
First draw a diagram according to the given information as shown below.
We know that, in a right angled triangle,

In triangle ABC,





Therefore, the length of the rope is 5.2 foot.