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spayn [35]
3 years ago
13

HELP FAST 20 POINTS PLEASE HELP IM BEGGINGGg

Mathematics
1 answer:
Kobotan [32]3 years ago
3 0

Answer:

3.5C = 1n

Step-by-step explanation:

For every $3.5 is 1 mile.

I do not know what other currency this could be, as I only live in the US. Therefor, i'm assuming it's US Dollars. But this does not effect the question, so moving on.

Brainliest for being like only a fortnight late...?

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Which algebraic expression is equivalent to w+w+w+3+2
Ipatiy [6.2K]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
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(x+y)^2 (x2+2xy+y2) pleas show all work
lakkis [162]

Answer:

{x}^{4}+4{x}^{3}y+6{x}^{2}{y}^{2}+4x{y}^{3}+{y}^{4}x

​4

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Step-by-step explanation:

1 Use Square of Sum: {(a+b)}^{2}={a}^{2}+2ab+{b}^{2}(a+b)

​2

​​ =a

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​​ +2ab+b

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​​ .

({x}^{2}+2xy+{y}^{2})({x}^{2}+2xy+{y}^{2})(x

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​​ +2xy+y

​2

​​ )(x

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​​ +2xy+y

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2 Expand by distributing sum groups.

{x}^{2}({x}^{2}+2xy+{y}^{2})+2xy({x}^{2}+2xy+{y}^{2})+{y}^{2}({x}^{2}+2xy+{y}^{2})x

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​​ (x

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​​ )+2xy(x

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​​ +2xy+y

​2

​​ )+y

​2

​​ (x

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​​ +2xy+y

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3 Expand by distributing terms.

{x}^{4}+2{x}^{3}y+{x}^{2}{y}^{2}+2xy({x}^{2}+2xy+{y}^{2})+{y}^{2}({x}^{2}+2xy+{y}^{2})x

​4

​​ +2x

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​​ y+x

​2

​​ y

​2

​​ +2xy(x

​2

​​ +2xy+y

​2

​​ )+y

​2

​​ (x

​2

​​ +2xy+y

​2

​​ )

4 Expand by distributing terms.

{x}^{4}+2{x}^{3}y+{x}^{2}{y}^{2}+2{x}^{3}y+4{x}^{2}{y}^{2}+2x{y}^{3}+{y}^{2}({x}^{2}+2xy+{y}^{2})x

​4

​​ +2x

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​​ y+x

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​​ y

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​​ +2x

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​​ y+4x

​2

​​ y

​2

​​ +2xy

​3

​​ +y

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​​ +2xy+y

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5 Expand by distributing terms.

{x}^{4}+2{x}^{3}y+{x}^{2}{y}^{2}+2{x}^{3}y+4{x}^{2}{y}^{2}+2x{y}^{3}+{y}^{2}{x}^{2}+2{y}^{3}x+{y}^{4}x

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​​ y+x

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​​ y

​2

​​ +2x

​3

​​ y+4x

​2

​​ y

​2

​​ +2xy

​3

​​ +y

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​​ x

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​4

​​  

6 Collect like terms.

{x}^{4}+(2{x}^{3}y+2{x}^{3}y)+({x}^{2}{y}^{2}+4{x}^{2}{y}^{2}+{x}^{2}{y}^{2})+(2x{y}^{3}+2x{y}^{3})+{y}^{4}x

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{x}^{4}+4{x}^{3}y+6{x}^{2}{y}^{2}+4x{y}^{3}+{y}^{4}x

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​​ y

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7 0
3 years ago
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ivanzaharov [21]

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<u>3x -2y = 97</u>

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x = 195/5 = 39

putting the value of x in

x + y = 49

y = 49 -39 = 10

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Step-by-step explanation:

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