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kondaur [170]
3 years ago
13

Solve: |x + 9| User: Evaluate 5|7 - 9| - 2. -12 0 1 8

Mathematics
2 answers:
MatroZZZ [7]3 years ago
8 0
Solve:

[x+9] - there is nothing to simplify

======================================

Evaluate:

5(7-9)-2

= 
35 -45-2

= -10-2

= -12

or

5(7-9)-2

= 
35 -45-2

= 35-47

= -12
------------------------------------------
So, -12 is the answer.
AlexFokin [52]3 years ago
8 0

I believe it is 8. Sorry if I´m wrong.

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vladimir1956 [14]
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3 years ago
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Fiesta28 [93]
For this case we have the following function:
 f (x) = 0.01 * (2) ^ x

 By definition, the average rate of change is given by:
 AVR =  \frac{f(x2) - f(x1)}{x2 - x1}
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 f (7) = 0.01 * (2) ^ 7

f (7) = 1.28
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 AVR = 23.22
 Answer:
 
the average rate of change from x = 7 to x = 14 is:
 
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2 years ago
What is the value of y in the equation 6.4x + 2.8y = 44.4, when x = 3?
Andrej [43]

Answer:

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Step-by-step explanation:

So if x = 3, we can sub that into the equation.

This gives us:

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