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Kryger [21]
3 years ago
12

The changing speed of a car is modeled by the function S(t) = –4t + 35, where t is time in seconds. Interpret the model.

Mathematics
1 answer:
dangina [55]3 years ago
6 0

Answer:

The car has an initial speed of 35 units and is slowing down by 4 units per second.

Step-by-step explanation:

The changing speed of a car is modeled by the function :

s(t)=-4t+35

t is time in seconds

Initial speed means at t = 0

s(0) = 35 units

Here the change in speed is negative, it means that the car is slowing down by this rate.

So, the correct answer is : The car has an initial speed of 35 units and is slowing down by 4 units per second.

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I believe the correct answer is A.

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Hey guys! I’m having a lot of trouble with this paper, would anyone mind explaining one of them to me?
lyudmila [28]

Answer: See Explanation

Step-by-step explanation:

This worksheet seems to be about "Special Right Triangles"

In this worksheet, it instructs you to find the missing side lengths.

Explaining number 1)

Step 1) Identifying the triangle and what it means

Since the triangle in number one is a 45-45-90 triangle with the given side length of "1" on one of the legs of the triangle, it can be concluded that the other leg also has a side length of "1" (due to the ratio of side on a 45-45-90 degree triangle), is also states the triangle has 45 degrees labeled on one of the angles, is can also be concluded that the other missing angle is 45 degrees.

Step 2) Answer

The answer to b is 1 and the answer to a is square root of 2, due to the properties of a 45 45 90 triangle (refer attachment)

*you can also use the following attachment to help you on this problem

7 0
3 years ago
Which expression is equal to
Sergio [31]
Answer: the second option
explanation: below

4 0
2 years ago
Read 2 more answers
Need help with question 2
Alex777 [14]
The answer is y= -x-1
8 0
3 years ago
Plz help i need this done now.
tatuchka [14]

Answer:

infinite solutions

Step-by-step explanation:

4x+4(3x+7) = 8(2x-3) +52

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Combine like terms

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Subtract 16x from each side

16x-16x+28 = 16x-16x +28

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This is true, so there are infinite solutions

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3 years ago
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