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cestrela7 [59]
3 years ago
15

Which of the following is the multiplicative inverse of 2x? 1/2 X -1/2 X -2x 2x

Mathematics
1 answer:
Sloan [31]3 years ago
4 0
It will be positive 1/2x and an easy way to find multiplicative inverse is like this 

5x would be 1/5x   -5x would be -1/5x      3x would be 1/3x   -3x would be -1/3x


so 2x would be 1/2x
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SOLUTION

Given the question in the image, the following are the solution steps to answer the question.

STEP 1: Explain the formula to use

Using the cosine rule which states that:

z^2=x^2+y^2-2xy\cos Z

STEP 2: Write the given sides

x=4,y=6,Z=41^{\circ},z=?

STEP 3: Find the value of z

\begin{gathered} By\text{ substitution,} \\ z^2=4^2+6^2-2(4)(6)\cos41 \\ z^2=16+36-48cos41 \\ z^2=52-36.22605985 \\ z^2=15.77394015 \\ z=\sqrt{15.77394015} \\ z=3.971641997 \\ z\approx4.0 \end{gathered}

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4 0
1 year ago
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lukranit [14]
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3 0
2 years ago
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DIA [1.3K]

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Step-by-step explanation:

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8 0
3 years ago
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Answer:yes

Step-by-step explanation:

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3 0
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Answer:

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__

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7 0
3 years ago
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