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yanalaym [24]
3 years ago
15

Nine over twelve equals fifteen over n A. 18 B. 20 C. 22 D. 17

Mathematics
1 answer:
earnstyle [38]3 years ago
3 0

Answer:

\frac{9}{12} = \frac{15}{y} \\(12 * 15) /  9 = 20\\B) 20

Step-by-step explanation:

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Twice the difference of a number and 2 is equal to three times the sum of the number and 3. Find the number. The number is nothi
trasher [3.6K]

The number is -13.

In order to find this, we first need to make each part of the statement into a mathematical statement.

Twice the difference of a number and 2.

2(x - 2)

Three times the sum of the number and 3

3(x + 3)

Now we can set them equal to each other and solve.

2(x - 2) = 3(x + 3) ----> Distribute

2x - 4 = 3x + 9 ------> Subtract 2x from both sides

-4 = x + 9 -----> Subtract 9 from both sides

-13 = x

3 0
3 years ago
Solve five ninths minus two sixths equals blank.
Oksanka [162]

Answer:

2/9

Step-by-step explanation:

5/9 -2/6 = 2/9

(decimal: 0.222222)

8 0
3 years ago
Read 2 more answers
[4 - (3c - 1)][6 - ( 3c - 1)]
Anestetic [448]
Hi there!

You would have to simplify the terms inside [ ] this thing, then multiply.

So let's simplify them first.

4 - (3c - 1) 
use distributive property.....
4 - 3c + 1
-3c + 5

6 - (3c - 1)
use distributive property again...
6 - 3c + 1
-3c + 7

so now, multiply (-3c + 5)(-3c + 7).
(-3c + 5)(-3c + 7)
9c² - 21c - 15c + 35
9c² - 36c + 35

So your final answer is...
9c² - 36c + 35

Hope this helped! :)
3 0
3 years ago
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OLEGan [10]

Answer:

math is basically how to understand  

Step-by-step explanation:

4 0
3 years ago
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icang [17]
216g^3

Hope this helps
8 0
3 years ago
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