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3 years ago

8

Which letters Shown below on the number line also have their opposites labeled? (A- A and D) (B- B and C) (C- A B and C) (D- B C

and D)

1 answer:

anygoal [31]3 years ago

6 0

try number 4 I thinks its that one or number 1

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. A triangle has side lengths of 8, 7, and 14. To the nearest tenth of a degree find the measure of the angle opposite the side

4vir4ik [10]

Given:

The measure of three sides of a triangle are 8, 7 and 14.

To find:

The measure of the angle opposite the side of length 8.

Solution:

According to the Law of Cosine:

$\cos A=\dfrac{b^2+c^2-a^2}{2bc}$

Let a=8, b=7 and c=14, then by using Law of Cosine, we get

$\cos A=\dfrac{7^2+14^2-8^2}{2(7)(14)}$

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Taking cos inverse on both sides.

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3 years ago

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What is the slope of the line that passes through the points (1,7) and (-4,-8)?

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Answer:

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Step-by-step explanation:

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