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erastova [34]
2 years ago
8

Help plzzzzzzz i really need it

Mathematics
1 answer:
Oliga [24]2 years ago
3 0

Answer:

2n+2*3-6n

(-2*-3)+4n-(4n*2)

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15% of 20 is what number?
Rina8888 [55]

Answer:

<h2><em><u>Brainliest plz</u></em></h2>

Step-by-step explanation:

20 x 15%

is equal too...

20 x 0.15

and that is equal to

...

3

8 0
2 years ago
A baker uses 3/4 cup of honey in one of his cakes. There are 60 calories in 1/8 cup of honey. What equation would you use to fin
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3/4 = 6/8
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c=60*6 ?
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F9
viktelen [127]

Answer:

just crop it ok

Step-by-step explanation:

I'm not sure ok

8 0
2 years ago
Solve this problem???​
Svetllana [295]

The denominator of the first term is a difference of squares, such that

4<em>a</em> ² - <em>b</em> ² = (2<em>a</em>)² - <em>b</em> ² = (2<em>a</em> - <em>b</em>) (2<em>a</em> + <em>b</em>)

So you can write the fractions as

(4<em>a</em> ² + <em>b</em> ²)/((2<em>a</em> - <em>b</em>) (2<em>a</em> + <em>b</em>)) - (2<em>a</em> - <em>b</em>)/(2<em>a</em> + <em>b</em>)

Multiply through the second fraction by 2<em>a</em> - <em>b</em> to get a common denominator:

(4<em>a</em> ² + <em>b</em> ²)/((2<em>a</em> - <em>b</em>) (2<em>a</em> + <em>b</em>)) - (2<em>a</em> - <em>b</em>)²/((2<em>a</em> + <em>b</em>) (2<em>a</em> - <em>b</em>))

((4<em>a</em> ² + <em>b</em> ²) - (2<em>a</em> - <em>b</em>)²) / ((2<em>a</em> - <em>b</em>) (2<em>a</em> + <em>b</em>))

Expand the numerator:

(4<em>a</em> ² + <em>b</em> ²) - (2<em>a</em> - <em>b</em>)²

(4<em>a</em> ² + <em>b</em> ²) - (4<em>a</em> ² - 4<em>ab</em> + <em>b</em> ²)

4<em>ab</em>

<em />

So the original expression reduces to

4<em>ab</em> / ((2<em>a</em> - <em>b</em>) (2<em>a</em> + <em>b</em>))

or

4<em>ab</em> / (4<em>a</em> ² - <em>b</em> ²)

upon condensing the denominator again.

8 0
3 years ago
Could you please help me with number
Anarel [89]
Too blury,take a good pic
6 0
3 years ago
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