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Dafna1 [17]
3 years ago
13

The table of values shows the height of a buoy compared to the sea floor over time as the tide goes in and out. This can be mode

led by a sinusoidal function.
Which statements are true?
Select EACH correct answer

The maximum value of the function is 5.8

The amplitude of the function is 5.8

The period of the function is 24

The frequency of the function is 24

Mathematics
1 answer:
Anika [276]3 years ago
5 0

Answer:

1st statement is true

2nd is false (amplitude is (max - min) ÷ 2 so (5.8 - 4.6) ÷ 2 = 0.6)

3rd is true

4th is false (frequency is the reciprocal of period, they can't be the same)

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Write an expression with parenthesis to represent the quantity: 170 divided by the sum of 25 and 9
zavuch27 [327]
Using parenthesis, we want to add 25 and 9 first before dividing.

170/ (25+9)
3 0
3 years ago
Suppose that y varies inversely as x, and x=9 when y=15. Find the value for k and write the function. Group of answer choices La
Radda [10]

Answer:

see explanation

Step-by-step explanation:

Given that y varies inversely as x then the equation relating them is

y = \frac{k}{x} ← k is the constant of variation

To find k use the condition that x = 9 when y = 15

15 = \frac{k}{9} ( multiply both sides by 9 )

k = 135

y = \frac{135}{x} ← equation of variation

8 0
3 years ago
4. Simplify -6(3 – 5s + 12t – 2u)
Elan Coil [88]
-18 +30s -72t +12u is the answer
8 0
2 years ago
What’s the length of the new fence?
natulia [17]
We apply the Pythagorean theorem twice and obtain:
 12 ^ 2 = x ^ 2 + (15-d) ^ 2
 9 ^ 2 = x ^ 2 + d ^ 2
 We observe that it is a system of two equations with two unknowns whose solutions are:
 (x, d) = (-36/5, 27/5)
 (x, d) = (36/5, 27/5)
 We ignore the negative solution, therefore, the solution is:
 (x, d) = (36/5, 27/5)
 Answer:
 
The length of the new fence is:
 
x = 36/5 meters
7 0
3 years ago
I am VERY confused on this question. Can someone help me?
Iteru [2.4K]
Answer: z=67-at
————
a-45
6 0
3 years ago
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