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s2008m [1.1K]
3 years ago
9

Which expression is equivalent to 6-(-8)? O-6+8 O -6+(-8) O 6+(-8) O 6 + 8

Mathematics
2 answers:
ludmilkaskok [199]3 years ago
8 0
The answer is D 6 + 8
mina [271]3 years ago
4 0
The answer is D. 6+8
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Point C is located at (5, 7) and is reflected in the x-axis. What are the coordinates of point C'?
zvonat [6]
I’m pretty sure it’s (5,-7)
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Find c.
Vinvika [58]
<h3>Answer:   0.5</h3>

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

Explanation:

The ultimate goal is to find the value for lowercase c, or find the length of side c. So we'll use the portion sin(C)/c as part of the law of sines.

We don't know the value of lowercase 'a', so we'll ignore the sin(A)/a portion.

This leaves sin(B)/b

We see that one side is 2 cm long, so this means b = 2. The angle opposite this is 105 degrees, so B = 105.

The angle opposite side c is 15 degrees, so C = 15.

The lowercase letters represent side lengths, while the uppercase letters are angles.

--------------------------

We have enough to apply the law of sines to solve for side c.

sin(B)/b = sin(C)/c

sin(105)/2 = sin(15)/c

c*sin(105) = 2*sin(15) ............. cross multiply

c = 2*sin(15)/sin(105) .............. dividing both sides by sin(105)

c = 0.53589838486224

c = 0.5

Side c is roughly 0.5 cm long.

Make sure your calculator is in degree mode.

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3 years ago
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Groups of four for the group of 288 and groups of five for the group of 360

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Help please anyone??
katovenus [111]

Answer:

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