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finlep [7]
3 years ago
7

Patterns and functions

Mathematics
1 answer:
Rashid [163]3 years ago
7 0
A.
9(1)+4=13
9(2)+4=22
9(3)+4=31
etc
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what is the solution to this system of linear equations? 2x y = 1 3x – y = –6 (–1, 3) (1, –1) (2, 3) (5, 0)
Nitella [24]
Hello,

2x+y=1
3x-y=-6

==>5x=-5
==>x=-1 and y=1-2*(-1)=3
Sol={(-1,3)}

Answer A

8 0
3 years ago
Read 2 more answers
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

6 0
3 years ago
HELPPPLPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP
MAXImum [283]
C May be the answer sorry if it is wrong.
5 0
2 years ago
Read 2 more answers
Classify a triangle whose side lengths are 8, 16, and 18
icang [17]

Answer:

scalene

Step-by-step explanation:

When all sides aren't equal.

7 0
3 years ago
0.27 (repeating) into a fraction. Simplify if needed.
WARRIOR [948]
Dont ask me why...I cant really explain it...but if u have 1 repeating decimal, u put it over 9. If u have 2 repeating decimals, u put it over 99....3 repeating decimals, put it over 999.

Examples :
0.7 (repeating) = 7/9
0.27 (repeating) = 27/99 when simplified = 3/11 <===
0.444 (repeating = 444/999 
8 0
3 years ago
Read 2 more answers
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