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pantera1 [17]
3 years ago
15

Plz helppp I’m not so smart:)

Mathematics
2 answers:
maw [93]3 years ago
8 0

Answer:

its 40 degrees :)

olya-2409 [2.1K]3 years ago
6 0

Step-by-step explanation:

I think you will get x this way:

x=180°-140°

x=40°

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Step-by-step explanation:

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3 years ago
What is the LCD of the following rational expressions?
Aloiza [94]
\dfrac{x}{x+1} \ , \  \dfrac{7x}{x-1}

\dfrac{x (x -1)}{(x+1)(x -1)} \ , \  \dfrac{7x(x+1)}{(x-1)(x+ 1)}

<u>We know that (a + b)(a - b) = a² - b²:</u>

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8 0
3 years ago
Read 2 more answers
What is the solution to the rational equation x over x squared minus 9 plus 1 over x minus 3 equals 1 over 4x minus 12? (1 point
pochemuha

Step-by-step explanation:

x²/(x²-9) + 1/(x-3) = 1/(4x-12)

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Since the discriminant is negative, there are no real solutions.

8 0
3 years ago
-1 3/5 divided by -2/3 written as mixed number
blondinia [14]
First, you must change all of this into improper fractions, like shown below.
- \frac{8}{5}\div - \frac{2}{3} =
Now you must change the sign.
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Then we must reciprocalize 2/3.
- \frac{8}{5}* - \frac{3}{2} =
Now we multiply, to get 2 4/10.
8 0
3 years ago
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