For any square the area is given by

where

is the length of one side. (This comes from the general rectangle formula

with

).
To solve for

we take the square root of both sides:



Now we can substitute known values:


Answer:
Step-by-step explanation:
(b) is correct. x represents the bill and 0.15 represents the 15% tip on that bill.
Answer:
No.
Step-by-step explanation:
The solution x = 0 means that the value 0 satisfies the equation, so there is a solution. “No solution” means that there is no value, not even 0, which would satisfy the equation.
Answer:
Step-by-step explanation:
We know for a function:
y = Asinωt
=> on comparison, <u>A = 5 m</u>
=> T = 2π / ω
=> T = 2π / 2
=> <u>T = π seconds</u>