2/3 is the answer because 6 in is the model and 4 ft is the actual
Answer:
25%
Step-by-step explanation:
25%
I am joyous to assist you anytime.
<span>2cos^2x = sin2x
2cos^2x = 2sin x cos x
(2sin x cos x) / (2cos^2x) = 1
sin x / cos x = 1
tan x = 1
x = π/4</span>
The answer to your question is y = sin(x + 90) as we have a sine graph phase shifted 90 units left
Answer:
The tank is 10cm high
Step-by-step explanation:
Given
-- length
-- width
--- water lever

Required
The height of the tank
Let y represents the remaining fraction before water is added.
So:

Make y the subject


Solve


Represent the volume of the tank with v
So:

Make v the subject

Substitute: 


Represent the height of the tank with h;
So, the volume of the tank is:

Make h the subject

Substitute values for v, l and w

Convert 30L to cm^3


