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Rasek [7]
3 years ago
9

A ball is thrown upward from the top of a building. The function below shows the height of the ball in a relation to sea level,

f(t), in feet, at different times, T, in seconds:
f(t) = - 16t^2 + 48t + 160
The average rate of change of f(t) from t = 3 seconds to t = 5 seconds is ___ feet per second
Mathematics
2 answers:
katrin [286]3 years ago
6 0

Answer:

Step-by-step explanation:

asd

yulyashka [42]3 years ago
6 0

Answer:

-80

Step-by-step explanation:

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Please help. I don't understand how to do this. I need this asap. please
Schach [20]

9514 1404 393

Answer:

  r = 1/9

Step-by-step explanation:

First of all, solve the equation for r:

  y = rx

  y/x = r . . . . . . . divide by x

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Since r is a constant, it will be the same for any corresponding pairs of x and y. It is convenient to choose both x and y as integers, as in the third table entry.

  r = y/x = 5/45

  r = 1/9 . . . . . . . . . reduced fraction

_____

<em>Additional comment</em>

It is not a bad idea to check to see that this works with other values of x and y. For the first line of the table, we have x = 11:

  y = rx = (1/9)(11) = 11/9 = 1 2/9 . . . . matches the table value

6 0
3 years ago
How do you write 43% as a decimal?​
vesna_86 [32]
0.43 abababababababab
4 0
3 years ago
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I need x+y=5 and y=2x-4solved algebraically
schepotkina [342]

Answer:

x = 3; y = 2

Step-by-step explanation:

x + y = 5

y = 2x - 4

<em>Isolate the y in the first equation</em>

y = 5 - x

y = 2x - 4

<em>Substitute the values</em>

5 - x = 2x - 4

<em>Isolate the Variable</em>

9 = 3x

<em>Simplify</em>

3 = x

<em>Plug that into the first equation</em>

3 + y = 5

<em>Subtract 3 from both sides</em>

y = 2

4 0
3 years ago
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Compare the linear functions. Which function has the largest y-intercept?
Jobisdone [24]

Answer:

the one where it passes -2

Step-by-step explanation:

-2 > -3

3 0
3 years ago
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At 8:00 am the temperature outside was -12oF. By noon, the temperature has risen by 9 oF. What was the temperature at noon? (Jus
Dahasolnce [82]

Answer:

-3

Step-by-step explanation:

It would just be -12+9=-3.

4 0
3 years ago
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