Answer:
the required equation is; y = 21 sin(πt/6)
Step-by-step explanation:
Given the data in the question;
Water rises above sea level = 21 ft
Water drops below sea level = 21 ft
so
maximum = 21 ft and also
minimum = 21 ft
Amplitude = ( maximum + minimum ) / 2
Amplitude = ( 21 + 21 ) / 2
Amplitude = ( 21 + 21 ) / 2 = 42/2 = 21 ft
Period = 12 hours
and we know that; period = 2π/b
so
12 = 2π/b
12b = 2π
b = 2π / 12
b = π/6
Standard equation for simple harmonic is; y = asin(bt)
we substitute
y = 21 sin(πt/6)
Hence the required equation is; y = 21 sin(πt/6)
The answer is 5.2
you must have written the equation incorrectly
Answer:
- 12=0.005×w
- the number is 2400
Step-by-step explanation:
An appropriate representation of the problem can be had by using a variable to represent "what number" and then using the math equivalent symbols for the English words. If "what number" is represented by w, then we want to translate ...
0.5% of w is 12 . . . . English
0.005 × w = 12 . . . . . . . matches choice 1
__
This can be solved by multiplying by 200
200(0.005w) = 200(12)
w = 2400
The number is 2400.
Answer: f(x) = -13
Step-by-step explanation:
