Answer: 29 feet (deepest) at 6 am
21 feet (shallowest) at Midnight & Noon
<u>Step-by-step explanation:</u>
y = -4 cos (π/6)t +25
Amplitude (A) = 4
-A means it is a reflection over the x-axis (starts at minimum)<em> </em>
Period = 2π/B → Period = 12
Phase shift = C/B → Phase Shift = 0
Midline (D) = 25
Midline (D) ± Amplitude (A) = Max & Min
Max: 25 + 4 = 29
Min: 25 - 4 = 21
Change the coordinates of y = cos (x) as follows:
- x-value: Add C then divide by B
- y-value: Multiply by A then add D
Note that the equation shows: A = -4, B = π/6, C = 0, D = 25
Answer:
So,
2t + 7 = -1
-7 -7
2t = -8
2t/2 = -8/2
<u>t = -4</u>
Step-by-step explanation:
Answer:
20
Step-by-step explanation:
I'm not completely sure, however.
12+10 = 22
42-22 = 20
The task consists it form ordered pairs, this is pairs of this form (x,y) where the two numbers are paired because some relation.
In this case the relations is the " in month x it had a profit y"
Then the ordered pairs are: (April, 2000) , (May, 3000), (June, 5000).
If you use the number of the month to identifiy it, then you can write the ordered pairs as:
(4,2000), (5,3000), (6,5000)
Both ways are correct forms of ordered pairs.
