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djverab [1.8K]
3 years ago
10

–2x2 – 12x – 9 = 0 PLS HELP I DO NOT WANT TO FAIL I WILL GIVE BRAINLIEST

Mathematics
1 answer:
Pie3 years ago
4 0
The right answer is -13/12.
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A tour director collected $258 for 13 tour packages tour packages a cost $18 into a package requires $22 how many of each tour p
Lena [83]

Answer:


Step-by-step explanation:

X+Y = 13

 

$18 + $22 = $258

OR

18X+22Y=258

 

18X + 22(13 - X) = 258

 

18X + 286 - 22X  = 258

 

286 - 4X  = 258

 

-4X= 258 - 286

 

-4X = -28

 

X= 7

Y=6

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maw [93]
Answer number 3 is correct.
6 0
3 years ago
Read 2 more answers
What are two numbers that add up to 70 without regrouping?
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