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astra-53 [7]
2 years ago
11

5(2n - 4) = 9(n + 2)​

Mathematics
1 answer:
Wewaii [24]2 years ago
8 0
1. Distribute
5(2n-4)
10n-20

9(n+2)
9n+18

10n-20=9n+18

2. Combine like terms
combine the terms with “n”, and then combine the other numbers.

Hope this helps!
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State whether the equation is true, false, or an open sentence. 9 = 5 + 4
Molodets [167]

Answer:

This equation is true because when you flip it 5+4=9 it is the same. and 5+4=9

Step-by-step explanation:

9=5+4   5+4=9  

4 0
3 years ago
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MAXImum [283]
The last one is correct
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3 years ago
What is 3/5+3/8 in simplest form
schepotkina [342]
The answer would be 39/40.

1. Find the LCD of both of the fractions (LCD = 40)

2. Make the denominators the same as LCD (The LCD would be 40)

3. Simplify (24/40 + 15/40)

4. Join the denominators
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5. Simplify (39/40)

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3 years ago
Find the distance UV between the points U (7,-4) and V(-3,-6). Round your answers to the nearest tenth,if necessary
rodikova [14]

Answer:

<h3>The answer is 10.2 units</h3>

Step-by-step explanation:

The distance between two points can be found by using the formula

d =  \sqrt{ ({x1 - x2})^{2} +  ({y1 - y2})^{2}  } \\

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

U (7,-4) and V(-3,-6)

The distance between them is

|UV|  =  \sqrt{( {7 + 3})^{2}  + ( { - 4 + 6})^{2} }  \\  =  \sqrt{ {10}^{2}  +  {2}^{2} }  \\  =  \sqrt{100 + 4}  \:  \\  =  \sqrt{104}  \:  \:  \:  \:  \:  \:  \:  \:  \\  = 2 \sqrt{26}  \:  \:  \:  \:  \:  \:  \:  \:   \\  = 10.1980...

We have the final answer as

<h3>10.2 units to the nearest tenth</h3>

Hope this helps you

4 0
3 years ago
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Blizzard [7]

Answer:

<h2>0.6 </h2>

Step-by-step explanation:

Each fraction has a equivalent decimal:

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So, as you can see, a decimal number between these fraction, could be 0.6, which is equivalent to the fraction \frac{3}{5}

3 0
3 years ago
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