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elixir [45]
3 years ago
11

To convert 8 kiloliters to liters, the first ratio is 1 kL/1,000 L. To set up the proportion, the second ratio must be _____.

Mathematics
2 answers:
dlinn [17]3 years ago
8 0

Answer:

B. \frac{8kL}{x}

Step-by-step explanation:

For 2 ratios to be the same, they have to be equal to one another, in this case, meaning if a part of one of the ratios is unknown, you must be able to solve it by setting the two ratios equal to one another:

\frac{1kL}{1000L} =\frac{8kL}{x}\\x=\frac{8kL}{\frac{1kL}{1000L}} \\x=8kL*\frac{1000L}{1kL} \\x=8000L

My name is Ann [436]3 years ago
6 0
It would be b. the first ratio is
1kL
----
1000

so you would match up the kL and not know how many regular liters there are.

8kL
-----
x
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ABC Bookstore sells new books, n, for $12, and used books, u, for $8. The
Helen [10]

Answer:

D.) $12n + $8u = 112 ;u = 4 + n

Step-by-step explanation:

Given that :

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store sold 4 more used books than new books

Hence,

Total revenue should be :

Revenue from new books + Revenue from used book = total revenue

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6 0
3 years ago
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Delvig [45]

16/-8=-2

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-12.2 / (-6.1)=2

Whenever dividing two - negative numbers= + positive number

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Answers:

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6 0
3 years ago
Read 2 more answers
Send help please!! i want to complete it asap
Nadusha1986 [10]
It’s a little complicated but here’s how it works:
Imagine a table with the intervals
0:4 , 4:6 , 6:7 , 7:10 , 10:13 (10 year intervals)
Then we have different rows
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Freq density: 0.2 , 0.5 , 1.2 , 0.7 , 0.3
So now calculate frequency where freq = class width * density
Freq: 0.8 , 1 , 3.6 , 2.1 , 0.9
So to find median find cumulative frequency
(Add all freq)
Cfreq = 8.4 now divide by 2 = 4.2
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2 years ago
Surface area and volume
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3 years ago
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