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3 years ago

PLZ HELP!!!

Mathematics

2 answers:

Goshia [24]3 years ago

6 0

The first and last choices are the only ones whose angles total 180 degrees, so they're the only possible triangles.

vagabundo [1.1K]3 years ago

3 0

30+60+90=180
55+35+80=180
25+65+90+180
The others are not possible as they do not have 180 degrees

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Chris and Josh have a total of 1,800 stamps in their collections, Josh and Jessica have a total of 2,200 stamps, and Jessica and

LiRa [457]

Answer: 3000 stamps

Step-by-step explanation:

Given

Chris and Josh have 1800 stamps

Josh and Jessica have 2200 stamps

Jessica and Chris have 2000 stamps

Suppose Chris, Josh, and Jessica have $x,y, \text{and}\ z$ stamps

$\therefore x+y=1800\quad \ldots(i)\\\Rightarrow y+z=2200\quad \ldots(ii)\\\Rightarrow z+x=2000\quad \ldots(iii)\\\text{Add (i), (ii), and (iii)}\\\Rightarrow 2(x+y+z)=1800+2200+2000\\\Rightarrow x+y+z=3000$

Thus, all three have 3000 stamps

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3 years ago

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andrey2020 [161]

Answer:

4 times 4 equals 16

Step-by-step explanation:

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MissTica

Answer:

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Step-by-step explanation:

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