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pshichka [43]
3 years ago
14

2×(k - 4) = 1/2× (4k-16)​

Mathematics
2 answers:
horrorfan [7]3 years ago
6 0
Multiply through the parenthesis:
2k - 8 = 2k - 8

The answer is all real numbers.
Ray Of Light [21]3 years ago
5 0

Answer:

k=4

Step-by-step explanation:

es la repuesta correcta

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If f(x)=3x+2,find f(f^-1(14)).
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Answer:  14

<u>Step-by-step explanation:</u>

f(x) = 3x + 2

To find f⁻¹, swap the x's and y's and solve for y --> Note: f(x) is y

x = 3y + 2

x - 2 = 3y

\dfrac{x-2}{3}=y

\implies f^{-1}(x)=\dfrac{x-2}{3}

\implies f^{-1}(14)=\dfrac{14-2}{3}

\implies f^{-1}(14)=\dfrac{12}{3}

\implies f^{-1}(14)=4

f(f⁻¹(14)) = f(4)

              f(4) = 3(4) + 2

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NOTE: the simplified version is .... f and f⁻¹ cancel out, leaving you with 14

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3 years ago
Can someone explain Scientific Notations? I don't understand them...
wlad13 [49]

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Step-by-step explanation:

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2 years ago
What is the slope of the line through (-9, 6) and (-3, 9)?<br> Choose 1 answer:
trasher [3.6K]

Given: Points (-9, 6) and (-3, 9)

Find:  The slope of the line that goes through those two points

Solution: In order to find the slope of the line that goes through the points that were provided we have to use the slope formula.  This formula subtracts the y-coordinates from each other and also the x-coordinates from each other to determine the rise/run which would give us the rate of change.

<u>Plug in the values</u>

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<u>Simplify the expression</u>

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Therefore, looking at the given options we can see that the best fitting one would be option A, 1/2.

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Answer:

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Step-by-step explanation:

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