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kari74 [83]
3 years ago
15

A car is bought for $22,000. 5 years later it is worth $14,000

Mathematics
1 answer:
Nutka1998 [239]3 years ago
8 0

Answer:

b) around 6 years

c) around 2,500

Step-by-step explanation:

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Questions, are all in picture, please solve
Andrews [41]

The function represents a <em>cosine</em> graph with axis at y = - 1, period of 6, and amplitude of 2.5.

<h3>How to analyze sinusoidal functions</h3>

In this question we have a <em>sinusoidal</em> function, of which we are supposed to find the following variables based on given picture:

  1. Equation of the axis - Horizontal that represents the mean of the bounds of the function.
  2. Period - Horizontal distance needed between two maxima or two minima.
  3. Amplitude - Mean of the difference of the bounds of the function.
  4. Type of sinusoidal function - The function represents either a sine or a cosine if and only if trigonometric function is continuous and bounded between - 1 and 1.

Then, we have the following results:

  1. Equation of the axis: y = - 1
  2. Period: 6
  3. Amplitude: 2.5
  4. The graph may be represented by a cosine with no <em>angular</em> phase and a sine with <em>angular</em> phase, based on the following trigonometric expression:

    cos θ = sin (θ + π/2)

To learn more on sinusoidal functions: brainly.com/question/12060967

#SPJ1

3 0
2 years ago
Northside Middle School spent $1187.50 on<br> 95 math books. How much did each book<br> cost?
trasher [3.6K]

Answer:

Each book cost $12.50 dollars.

Step-by-step explanation:

1,187.50 / 95 = 12.50

6 0
3 years ago
Read 2 more answers
Micah walks on a treadmill at 4 miles per hour. He has walked 2 miles
lana66690 [7]
<span>Let time taken by Luke to cover the distance = x hours Speed of Luke = 6 miles per hour Therefore, Distance covered by Luke = 6x ------(1) Speed of Micah = 4 miles per hour Since Micah walked 2 miles before Luke started running, Luke started 1/2 an hour after Micah started. Therefore time taken by Micah to cover the distance = x+1/2 Distance covered by Micah = 4(x + 1/2) -------(2) Equating (1) and (2) 6x = 4(x+1/2) 6x = 4x +2 2x = 2 x= 1 Therefore Luke would take 1 hour to cover the distance covered by Micah.</span>
6 0
3 years ago
I need help my teacher's note didn't help at all please
Roman55 [17]

Answer:

1.0472

Step-by-step explanation:

60

= 60 × π/180 rad

= π/3 rad

Hope this helps! :)

8 0
3 years ago
during the day Sam spent $4.85 on lunch he also bought 2 books for $7.95 each at the end of the day he had $8.20 left. how much
prisoha [69]

Answer:

$28.95

Step-by-step explanation:

$14.85 + 15.90= 20.75 + 8.20= 28.95

7 0
2 years ago
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