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icang [17]
3 years ago
14

Which expression represents the difference between 25 and an unknown number? A. 25 - n

Mathematics
2 answers:
Phantasy [73]3 years ago
4 0
Difference means subtraction so to find the difference of a known and unknown number, you would subtract the unknown from the known or vice versa.
So the answer is A. 25 - n.

Whitepunk [10]3 years ago
3 0
The anwser to your question is 
A. 25 - n because you hsft to subtract the unknown number towards your total of 25 then you get the number of the difference 

Hope this helps thanks for asking!!
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During the 1995 season, Oregon crabbers had a 15 million pound Dungeoness Crab harvest which sold for $24.7 million. That record
fiasKO [112]

Answer:

  36¢ per pound

Step-by-step explanation:

In 1995, the price per pound was ...

  ($24.7 million)/(15 million lb) = $1.6467/lb

In 2000, the price per pound was ...

  ($31,297,583)/(15,616,728 lb) = $2.0041/lb

The difference was ...

  $2.0041 -1.6467 = $0.3574 ≈ 36¢ . . . per pound

_____

In a calculation such as this, you want to keep enough significant digits so that you can appropriately round the final answer. Here, the result would be different if intermediate values were rounded to whole cents.

3 0
3 years ago
Tìm GTLN và GTNN của<br> M=x+2y biết x^2 + 4y^2
Iteru [2.4K]

Answer:

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3 0
3 years ago
My sister is 2 years older than I am. The sum of our ages is 32. Find our ages.
VikaD [51]
Lets call your age x and your sisters would be x +2
x + x + 2 = 32
combine like terms
2x + 2 = 32
32 - 2 = 2x
32 - 2 = 30
2x = 30 
x = 15

Your age is 15 and your sisters is 17

<span>Hope This Helps You!
</span>Good Luck Studying :)
4 0
3 years ago
Read 2 more answers
Find a + 89 + b if a= 12 and b = -45
Pie

Answer:

56

Step-by-step explanation:

a + 89 + b

Let a= 12 and b = -45

12 + 89 - 45

101-45

56

3 0
4 years ago
an express bus left town A at 18:15 hours and reached town B at 21:05 hours.how long did the journy take?
Dimas [21]
Hi!

Let's make a small chart

18:15 left town B
19:15 1 hour
20:15 2 hours
21:15 3 hours 

Since they actually arrived at 21:05, and not 21:15, we know it took more than 2 hours, but less than 3 hours. 

Subtract the extra time
21:15-21:05 = 00:10

Since there are 60 minutes in an hour, (60-10=50) we know it took 2 hours and 50 minutes. 

Another way to solve this would be to convert the times to decimals, and subtract,
21.05-18.15 = 2.9
Then convert the decimal to the time. 

9/10 of an hour = 50 minutes
It took 2 hours and 50 minutes

Hope this helps! :)
7 0
3 years ago
Read 2 more answers
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