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Liono4ka [1.6K]
3 years ago
11

I need answers taking test​

Mathematics
1 answer:
Softa [21]3 years ago
6 0

Answer:

-1.25

Step-by-step explanation:

The equation is y=-1.25x-1.75

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Alex swam a total of 11.5 hours during the work week and then swam a total of 2.6 hours on the weekends. He swam the same number
My name is Ann [436]
98.7 hours            11.5+2.6=14.1x7 weeks =98.7 hours
4 0
3 years ago
Read 2 more answers
Show your solution follow the steps<br>need an answer, please need an answer, please.​
Alex777 [14]

Answer:

after calculating I got this answer.

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8 0
2 years ago
What is the average rate of change for this function for the interval from x=3 to x=5?
SSSSS [86.1K]

Answer:

A. 49

Step-by-step explanation:

The average rate of change for the interval ranging from x = 3 to x = 5 for the given function represented in the table above can be calculated using:

Average rate of change = \frac{f(x2) - f(x1)}{x2 - x1}

x2 = 5

x1 = 3

f(x2) = f(5) = 125

f(x1) = f(3) = 27

Thus,

Average rate of change = \frac{125 - 27}{5 - 3}

= \frac{98}{2}

Average rate of change = 49

Average rate of change of the given table values representing an exponential function is A. 49.

4 0
3 years ago
Will u help me?
sergey [27]

Answer:

Charles practiced for the relay race for D. 9 hours last week.

Step-by-step explanation:

First, I would find the ratios the ratios for converting hurdle to javelin and javelin to relay.

Hurdle : Javelin ; 5 : 1.5

Javelin : Relay ; 2.5 : 5 or  1 : 2

Next, find the factors compared to the original numbers for hurdle to javelin.

15 / 5 = 3

To find the amount of javelin time they did, multiply 1.5 by the factor we got, 3.

1.5 * 3 = 4.5

Finally, double 4.5, since Charles does twice as much relay than he does javelin.

4.5 * 2 = 9 hours

3 0
3 years ago
What is 9(x + 8) + x(5+4)
lina2011 [118]

Answer:

72+ 18x

Step-by-step explanation:

9x+72+5x+4x

72+ 18x

7 0
3 years ago
Read 2 more answers
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