4 years ago

I really need help before tomorrow!! Please help me!!

Mathematics

2 answers:

Pavel [41]4 years ago

8 0

Answer:

the answer is 6

Step-by-step explanation:

you take the absolute value for both of them which is 2 and 8 but you keep the negative still so it would be -2+8 which is 6

Charra [1.4K]4 years ago

3 0

Answer:

Step-by-step explanation:

The absolute value of -2 is 2, but with the negative on the outside it would be -2.

Next the absolute value of -8 is 8.

Therefore 8+-2=6

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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:

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STEP 2: Write the given sides

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

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Step-by-step explanation:

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