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2 years ago

Translate to equation Two times the number which is three less than X is eight

Mathematics

2 answers:

GrogVix [38]2 years ago

8 0

I’m not sure, you’re not elaborating enough to this equation. Are you sure you’re not missing a phrase of some sort?

Olegator [25]2 years ago

6 0

Answer:

2 x (3-x)=8

Step-by-step explanation:

two times = 2x

Three less than x = (3 - x)

is eight = =8

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Expand and simplify (x 3)(x 3)

luda_lava [24]

X+x=2x
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3 years ago

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2 years ago

Sarah and her friends laid down two beach blankets. The blankets are the same length but of different widths. The distributive p

Masja [62]

Answer:The width of the orange blanket is 23 inches.

Step-by-step explanation:

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3 years ago

Here is another Guy's... This one is hard..12 Points? First one to answer with a great explanation gets brainlest (:!

schepotkina [342]

Answer:

25/16

Step-by-step explanation:

(4/5)^−2

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25/16

(Decimal: 1.5625)

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3 years ago

Find a quadratic equation with roots -1, 4i and -1 - 4i

vazorg [7]

$\bf \textit{difference of squares}
\\\\
(a-b)(a+b) = a^2-b^2\qquad \qquad 
a^2-b^2 = (a-b)(a+b)
\\\\\\
\textit{also recall that }i^2=-1\\\\
-------------------------------\\\\
\begin{cases}
x=-1+4i\implies &x+1-4i=0\\
x=-1-4i\implies &x+1+4i=0
\end{cases}
\\\\\\
(x+1-4i)(x+1+4i)=\stackrel{y}{0}
\\\\\\\
[(x+1)~~-~~(4i)][(x+1)~~+~~(4i)]=y
\\\\\\\
[(x+1)^2~~-~~(4i)^2]=0\implies (x^2+2x+1)~-~(4^2i^2)=y
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3 years ago