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MaRussiya [10]
3 years ago
8

(PLEASE HELP!!!!) Which expression is equivalent and why?

Mathematics
1 answer:
marshall27 [118]3 years ago
3 0

Answer:

B

Step-by-step explanation:

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A solution that is used to kill bacteria is tested. This solution kills the following percentage of bacteria in six trials: 85,
Paha777 [63]
80,84,85,86,87,90

minimum = 80
Q1 = 84
Q2 (median) = (85 + 86) / 2 = 171/2 = 85.5
Q3 = 87
maximum = 90
             Q1     Q2          Q3
               ^___^_______^
  --80-----| ___|_______ | -----90                    
               ^      ^             ^
              84     85.5      87


80, minimum, is on outside of box (before Q1)......84 (Q1) is where box starts.....85.5 (median or Q2) is inside the box.....87 (Q3) is the end of the box......90, maximum, is outside the box (after Q3)
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3 years ago
Show work for 125 divided by 7.75
Mazyrski [523]
7.75 ➗ 125 = 0.062


Simplify ➡ 31 / 4


31 over 4 ➗ 125


Then, divide ➡31 over 1 by 125


and it should leave you with the answer 0.062
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3 years ago
The selling price of a table is $630. If the cost price was $428, what is the mark up amount?
Neko [114]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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