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Mama L [17]
2 years ago
11

ASAP PLEASE HELP!! 50 POINTS

Mathematics
1 answer:
svetlana [45]2 years ago
3 0

Answer/Step-by-step explanation:

Total Distance = 3Ft

a) Determine the amplitude and period of a sinusoidal function that models the bobbing buoy.

Amplitude = 3/2 = 1.5         period = 10 second

\frac{0}{1} =\frac{2\pi }{b}      b=\frac{\pi }{5}         No ph. Shift

b) Write an equation of a function that models the buoy with x=0 at its highest point.​

y= 1.5 cos ( \frac{\pi }{5} x)

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The graph of the quadratic function f is shown in the grid. Which of these best represents the domain of f?
Marysya12 [62]

Answer:

D) all real numbers

Step-by-step explanation:

domain refers to all of the x-values on the graph and this curve can extend indefinitely in both the positive and negative directions

6 0
2 years ago
What is 1/5 divided by 5/7
vampirchik [111]
1/5 divided by 5/7 is 7/25
1/5 ÷ 7/5 = 7/25

Your answer is 7/25


5 0
3 years ago
Enter a digit in each box to complete the subtraction problem.
elixir [45]

Answer:

I think that in the first 2 boxes its 2 i dont know for the rest though,

Step-by-step explanation:

brainky said "dont say such words here, I'm literally saying nothing rude

6 0
3 years ago
The length of a rectangle is 4 more than it's width. Write an equation that will determine the dimensions if the area of the rec
Firdavs [7]

Answer: The equation is W^2 + 4W - 96= 0

{Please note that ^2 means raised to the power of 2}

Step-by-step explanation: We have been given hints as to the measurement of the length and width of the rectangle. The length is given as four more than the width. What that means is that whatever is the width, we simply add four to get the measurement of the length. Therefore if the width is W, then the length is W + 4.

That is,

L = W + 4 and

W = W

Also we have the area given as 96.

Remember that the area of a rectangle is given as

Area = L x W.

In this question, the Area is expressed as

Area = (W + 4) x W

96 = W^2 + 4W

Subtract 96 from both sides of the equation and we have

W^2 + 4W - 96 = 0.

We now have a quadratic equation from which we can determine the dimensions of the rectangle

5 0
3 years ago
Koran is spending $12 on games and rides at another carnival, where a game costs $0.25 and a ride costs $1.
Vlad [161]

Answer:

0.25x+y=12

Step-by-step explanation:

Let

y ----> the number of rides

x ---> the number of games

we know that

The number of rides multiplied by  $1 plus the number of games multiplied by $0.25 must be equal to $12 (the dollar amount Koran is spending)

so

The equation that represent this situation is

0.25x+y=12

5 0
2 years ago
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