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Solnce55 [7]
3 years ago
13

How many miles are in 400 kilometers? How many miles are in 400 kilometers? Follow 3 answers 3 Report Abuse Are you sure you wan

t to delete this answer? Yes No
Mathematics
1 answer:
Ivenika [448]3 years ago
7 0
Hello there. :)

<span>How many miles are in 400 kilometers

248.548
</span>
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I really need help with this, if someone would help me I would be really grateful. MUST SHOW WORK!!! Please don't answer if you
vichka [17]
To convert Fahrenheit to Celsius, subtract 32 degrees and divide by 1.8.
<span>To convert Celsius to Fahrenheit, multiply by 1.8 and add 32 degrees.

</span>
7 0
3 years ago
How many times dose 21 go i, to 39?
Andrew [12]
If you want the answer youse a calculator or do 21 divided by 38
5 0
3 years ago
What sum would yield an interest of 36$ in 3 years at 3%p.a.
Alekssandra [29.7K]
Amount of Interest = $36
Rate of interest = 3% per annum
Total time period for which the money was invested = 3 years
Let us assume the Principal amount = x
Then
Interest = Principal * Rate of Interest * time
36 = x * 3% * 3
36 = 9x/100
36 * 100 = 9x
3600 = 9x
x = 3600/9
   = 400
So the initial sum of the money that was invested was $400.
7 0
3 years ago
A group of adults and students went on a class trip to Washington, DC. The number of male students was 1 more than 7 times the n
algol [13]
Alright.
So let's say the number of adults is x.
Therefore, the number of boys is 7x + 1.
And then the total amount of girls is 3.5x + 0.5
So then:
x + 7x + 1 + 3.5x + 0.5 = 82
11.5x + 1.5 = 82
11.5x = 80.5
x = 7
So now we can figure out the number of male and female students.
Male students = 7x + 1
7*7 + 1
49 + 1
50
Male Students = 50
Female students = half of 50
50/2 = 25
Female Students = 25
4 0
3 years ago
Simplify.... Please, I really need help.
Brilliant_brown [7]

Answer:

Step-by-step explanation:

Note that 128 = 64*2.  The square root of 128 is thus 8sqrt(2).  Answer B is the only one that could be correct.

7 0
3 years ago
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