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Arlecino [84]
3 years ago
14

Can someone know this asap​

Mathematics
1 answer:
timurjin [86]3 years ago
3 0
5) 2x+3
6) x-3
7) (x+5)/2
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Use the elimination method to solve the system of equations. Choose the correct ordered pair<br>​
UkoKoshka [18]

Answer:

Answer is B

Step-by-step explanation:

12x - y = 25 \\ 9x + y = 17 \\ x =  \frac{17 - y}{9}  \\ 12( \frac{17 - y}{9} ) - y = 25 \\

\frac{204}{9}  -  \frac{12}{9} y - y = 25 \\  \frac{204}{9}  -  \frac{21y}{9}  = 25 \\  -  \frac{21y}{9}  = 25 -  \frac{204}{9}  \\  -  \frac{21y}{9} =  2.33 \\ - 21y =  20.997 \\ y =  - 0.99

y =  - 1 \\ x =  \frac{17 - y}{9}  \\ x =  \frac{17 -  - 1}{9}  =  \frac{18}{9}   \\ x = 2

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3 years ago
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Answer:

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Step-by-step explanation:

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2 years ago
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Please answer the picture
Fiesta28 [93]
12x^2 = 4/3
x^2 = 1/9
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3 years ago
Triangle ABC is similar to triangle XYZ. Which proportion can be used to find the measure of the missing side?
lisov135 [29]
I'm not sure what side is missing but you could use the proportions

A/B=X/Y or B/C=Y/Z or CA/=ZX. it also works if you reverse this for example B/A=Y/X


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help me please i dont understand the associative, distributive, and commutative property i also cant figure out which one it is
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Answer:

Step-by-step explanation:

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