Answer:
11.5 m
Step-by-step explanation:
This problem involves distance, which is a positive quantity in every case.
From the 10 m platform to water surface: 10 m
From water surface to a depth of 1.5 m: 1.5 m
Total distance traveled: 10 m + 1.5 m = 11.5 m
Working:
Area of the rectangle= 12 x 4 =
48cm^2Area of the semicircles=
![\pi](https://tex.z-dn.net/?f=%20%5Cpi)
x 2² =
12.56cm^2
48+12.56= 60.56
Answer: 60.56cm²
The answer in fraction form is c = 1/2
The answer in decimal form is c = 0.5
=============================
Explanation:
Saying "A is 1 less than B" means A = B-1. So whatever B is, subtract 1 from it and you get the value of A.
Replace A with the expression 2(3-5c). Replace B with 4(1-c)
We go from this
A = B - 1
to this
2(3-5c) = 4(1-c) - 1
----------
Let's isolate c
2(3-5c) = 4(1-c) - 1
2(3)+2(-5c) = 4(1)+4(-c) - 1
6-10c = 4 - 4c - 1
6-10c = 3 - 4c
6-3 = -4c+10c
3 = 6c
6c = 3
c = 3/6
c = 1/2
c = 0.5
You would be a pentagon. A pentagon has 5 sides
The answer for this is 30