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AveGali [126]
3 years ago
8

9) y=x+ 11; (4, 13)​

Mathematics
2 answers:
Arte-miy333 [17]3 years ago
8 0

Answer:

Step-by-step explanation:

143+44+x=y

Talja [164]3 years ago
7 0

Answer:

False

Step-by-step explanation:

This equation is incorrect because once you plug the numbers into the equation you get, 13=4+11 which is 13=15 and that is incorrect since 13 is not 15.

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Interior angle of triangles
Neporo4naja [7]
I'm not sure what you are looking for. If you want to know the total number of degrees that interior angles of triangles total, they add up to 180°.

Hope this helps! :)
7 0
3 years ago
Prove the polynomial identity (a-1)^3 + (a-1)^2 = a(a-1)^2
Sav [38]

Answer:

uhh

Step-by-step explanation:

Sorry but ain't nobody got time for this confusing stuff lol. Sorry I wasn't graced with math skills! Wish I could've helped!

7 0
2 years ago
Read 2 more answers
David and Mark are marking exam papers. Each set takes David 24 minutes and Mark 1 hour. Express the times David and Mark take a
attashe74 [19]

Answer:

2:5

Step-by-step explanation:

david=24mins

mark = 1hour

change 1 hour to mins

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MARK=60

24:60

THEN SIMPLIFY

24/60

<em>=</em><em>2</em><em>/</em><em>5</em>

<em><u>2</u></em><em><u>:</u></em><em><u>5</u></em>

8 0
3 years ago
Which pair of angles are congruent or supplementary
Fittoniya [83]
Angles 1 and 3 are supplementary
6 0
2 years ago
What is 3,989.23655 rounded to the nearest one thousandth?
Xelga [282]
The 6 is in the thousandth place so you round with that being the last number
since we have a 55 after the 6, we round up
so we get
3,989.237
8 0
3 years ago
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