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VLD [36.1K]
3 years ago
13

Which describes all the lines that must be parallel?

Mathematics
2 answers:
statuscvo [17]3 years ago
5 0

Answer:

3)

Step-by-step explanation:

NeX [460]3 years ago
3 0
3rd one

Parallel means heading in the same direction but will never meet like: | | if those two lines kept going they would never meet
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3 years ago
Jamal went to the post office to buy stamps and large envelopes. Each stamp costs the same amount, and each large envelope costs
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Step-by-step explanation:

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3 years ago
What is minus 6 plus 2?<br><br><br> -4<br><br><br> 8<br><br><br> 4
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3 years ago
Read 2 more answers
Find c and round to the nearest tenth. thank you in advance
PSYCHO15rus [73]

Answer and Step-by-step explanation:

90ft = a

55ft = b

50ft = c

Plug into equation.

50^{2}  = 90^{2}  + 55^{2}  - 2(90)(55)cosC\\\\2500 = 11125 - 9900(cosC)\\\\-8625 = -9900(cosC)\\\\0.8712 = cosC\\\\cos^{-1} (0.8712) = C\\\\29.4

29.4° is the answer.

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3 years ago
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