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nirvana33 [79]
3 years ago
7

Which of the following weighs least?

Mathematics
1 answer:
stellarik [79]3 years ago
8 0
The correct answer is Choice E: 1 milligram.

The prefix milli means "1/1000". That means a milligram is 1/1000th the size of a gram. All of the other weights in the list are larger.
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How is this problem laid out
4 0
2 years ago
-2x-9y=-25 -4x-9y=-23 system with elimination
REY [17]
Multiply the first equation by -2. It turns into 4x+18y=50 and the other one stays -4x-9y=-23. Then you "eliminate" the equations by "adding" them. Set it up like this: 
4x+18y=50
      +
-4x-9y=-23
4x-4x= 0. 18y-9y= 9y and 50-23= 27
SO: 9y= 27 and y= 3
And then you plug that in to one equation: 4x +18(3)= 50. 4x= 50-(18*3)
4x= -4, so x=-1.
Plug it back in to check! 
Hope this helps. Happy solving! :)
4 0
3 years ago
Read 2 more answers
» What is the distance between -25 and -12 on<br> a number line?
solmaris [256]

Answer: 13

Step-by-step explanation: All you have to do is subtract -12 from -25 and you get -13. If it was -25 from 12 you would just add the two together.

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3 years ago
Question 9 (10 points)
Slav-nsk [51]
The length is 5cm long
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3 years ago
HELP ME FIND SLOPE RATE CHANGE WILL GIVE BRAINLIEST
il63 [147K]

Answer:

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Step-by-step explanation:

Rise / run then simplify

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