Answer:
b.
Step-by-step explanation:
The given expression is
We express in terms of basic trigonometric ratios to obtain;
This is the same as
Cancel out the common factors;
Answer: We can't answer Because we cannot see it
Step-by-step explanation:
Answer:
<h2>It takes 36 minutes to fill the bathtub using just hot water.</h2>
Step-by-step explanation:
We are gonna name V the complete volume of the bathtub, which is filled a certain amount of minutes. Each filling rate or speed is gonna be expressed as: .
So, if we apply this consideration to each case we have:
Using cold and hot water:
Using only cold water:
Using only hot water: ; because we don't knot the time it takes to fill the bathtub with hot water.
Now, as you can see, Cold and Hot water is a sum of cold water only and hot water only:
Solving the equation for <em>x: </em>
Therefore, it takes 36 minutes to fill the bathtub using just hot water.
42/2=21 (is the sum of both lengths)
2x+11=21
2x=10
x=5
length= 16
width=5