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V125BC [204]
3 years ago
6

Write an expression for the perimeter of the triangle shown below:

Mathematics
2 answers:
Zina [86]3 years ago
8 0

Answer:

0.1x − 16

Step-by-step explanation:

Crank3 years ago
7 0
P = a + b + c

P = (0.5x + 9) + (3x) + (-3.4x - 25)
P = 0.1x - 16
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Find the value of the variable.
nalin [4]

Answer:

The variable, y is 11°

Step-by-step explanation:

The given parameters are;

in triangle ΔABC;          {}              in triangle ΔFGH;

Segment \overline {AB} = 14         {}               Segment \overline {FG} = 14

Segment \overline {BC} = 27         {}              Segment \overline {GH} = 19

Segment \overline {AC} = 19         {}               Segment \overline {FH} = 2·y + 5

∡A = 32°                       {}                ∡G = 32°

∡A = ∠BAC which is the angle formed by segments \overline {AB} = 14 and \overline {AC} = 19

Therefore, segment \overline {BC} = 27, is the segment opposite to ∡A = 32°

Similarly, ∡G = ∠FGH which is the angle formed by segments \overline {FG} = 14 and \overline {GH} = 19

Therefore, segment \overline {FH} = 2·y + 5, is the segment opposite to ∡A = 32° and triangle ΔABC ≅ ΔFGH by Side-Angle-Side congruency rule which gives;

\overline {FH} ≅ \overline {BC} by Congruent Parts of Congruent Triangles are Congruent (CPCTC)

∴ \overline {FH} = \overline {BC} = 27° y definition of congruency

\overline {FH} = 2·y + 5 = 27° by transitive property

∴ 2·y + 5 = 27°

2·y = 27° - 5° = 22°

y = 22°/2 = 11°

The variable, y = 11°

8 0
3 years ago
Help me prove this trig identity
alexdok [17]
Hello here is a solution:

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Answer:

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Step-by-step explanation:

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Subtract 10 minutes from 8:45 p.m. to get 8:35 p.m., which is 50 minutes from 7:45 p.m.

<em>I hope this helps! I would really appreciate it if you would please mark me brainliest! Have a blessed day!</em>

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There are 16 ounces in a pound.

Therefore, a 20 ounce steak is 1 pound 4 ounces.
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