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Sladkaya [172]
3 years ago
10

Find the average rate of change of a function that contains the points (-2,3) and (2,5).

Mathematics
1 answer:
nika2105 [10]3 years ago
5 0
A(-2,3) & B(2,5) You know that te 1st figure of each pair represents x & te second represents y

Change of rate formula = (y"-y')/(x"-x')

=(5-3)/[2-(-2)] = 2/4 = 1/2
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Answer:

Part A: [0,2], Part B: [2, 4], Part C: [8,10], Part D: 0 ft

Step-by-step explanation:

Part A:  The time between 0 seconds to 2 seconds is the time when it's increasing. There is no other time like that.

Part B: The graph shows a straight line so therefore it is staying the same.

Part C: The graph shows a sharp decline.

Part D: Starting from the 10th second, the balloon already hit to ground so it would only make sense for it to stay there...

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5 0
3 years ago
What is the answer to this question having trouble answering it​
Luda [366]

Answer:

9

Step-by-step explanation:

KL + KJ = 17

2 + 3x + 5x - 1 = 17 add like terms

8x + 1 = 17 subtract 1 from both sides

8x = 16 divide both sides by 8

x = 2

KL = 5x - 1 replace x with 2

5*2 - 1 = 9

4 0
3 years ago
Ryan is rowing a small boat out to and back from an island 20 miles away at a rate of
Misha Larkins [42]

Answer:

The speed with which Ryan was rowing was 4 mph

Step-by-step explanation:

With a small boat, Ryan wants to row towards an island and come back at a speed of x mph and the island is 20 miles away from him.  

Therefore, total 20 + 20 = 40 miles he rowed for 5 hours.

On the way to the island, there was a wind of 4 mph in the direction of his motion and on the way back also there was a wind of 4 mph in the direction of his motion.

So, in the total journey, he has a speed of (x + 4) mph.

Therefore, \frac{40}{5} = x + 4

⇒ x + 4 = 8

⇒ x = 4 mph.

Therefore, the speed with which Ryan was rowing was 4 mph. (Answer)

4 0
3 years ago
Expressions are shown below
Dahasolnce [82]

Answer:

9

Step-by-step explanation:

3 0
3 years ago
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