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Airida [17]
3 years ago
14

Nitrogen makes up about 78% of air. If you have 2 L of air, how many liters of nitrogen are in the air?

Mathematics
1 answer:
NemiM [27]3 years ago
5 0

Answer:39%

Step-by-step explanation:

78/100÷2

78/100×1/2

=39

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47.5 and 2853.56 m

Step-by-step explanation:

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Use the figure and flowchart Proof to answer the question which property of equality accurately completes reason C
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Which answer do I pick .
Jobisdone [24]
I don’t think you pick an answer you just put all of those formulas and solutions into your calculator and that will give you what you need to move onto the next question/ step
5 0
3 years ago
For this you must use Tan<br>Please help.
Scorpion4ik [409]
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4 0
3 years ago
The area of a rectangle is 42 square inches and one side is 12 inches long find the perimeter of the rectangle show your work
uranmaximum [27]
So first of all we need to know that area is length times width
Area = L x W 
since we know the area is 42 and the length is 12 lets plug those in
42 = 12 x W 
now we dont know what W is yet but we can figure it out by dividing 42 by 12
42/12 = 3.5 
So W = 3.5!
but its asking for the perimeter and we know that perimeter is all of the sides of the rectangle added up. Heres a picture
   
       ___3.5___
      |                 |
      |                 |
 12 |                 |  12 
      |                 |
      ************
             3.5

see now we just add those all up together:)

12 + 12 + 3.5 + 3.5 = 31!!
so our perimeter is 31 inches:)
have a good one 
PICK ME BRAINLIEST!:D
5 0
3 years ago
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