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Kay [80]
3 years ago
15

Hi, can someone please help me with this question, I'm a bit baffled.

Mathematics
2 answers:
liq [111]3 years ago
7 0
-1(3x-2y=27)
3x-y=24
-3x+2y=-27
+3x-y = 24
y=-3
3x-(-3)=24
3x+3=24
-3. -3
3x=21
/3. /3
X=7
Hope that helps
77julia77 [94]3 years ago
3 0
(Mark me the brainliest)

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Suppose the population of a certain city is 5289 thousand. It is expected to decrease to 4530 thousand in 50 years. Find the per
Tcecarenko [31]

Answer:

14.4% decrease

Step-by-step explanation:

Here is the formula for finding the percentage of decrease:

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3 years ago
Solve the linear equation: 3.4 + 2(9.7 – 4.8x) = 61.2 What are the possible steps involved in solving this equation? Check all t
Leno4ka [110]
The answers for the exercise shown above are the second option, the third option, the fifth option and the sixth option, which are:
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 3) Combine 3.4 and 19.4.
 5) Substract 22.8 from both sides.
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 The steps are shown below:
 </span><span>3.4+2(9.7-4.8x)=61.2</span> 
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 22.8-9.6x=61.2
 228-22.8-9.6x=61.2-22.8
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