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Illusion [34]
3 years ago
13

2(x+1)=10 what is x and how did you get it i need help please thank youu

Mathematics
2 answers:
jeyben [28]3 years ago
7 0
2(x+1)=10
2x+2=10
2x=10-2
2x=8
X=8/2
X=4

ollegr [7]3 years ago
5 0
2 (x+1)=10
2•4+1=10
2•5 =10
X = 4


hope that helps!! <3
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Add and subtract and simplify the result. Specify the values that must be excluded from the domain.
sweet [91]

The simplified polynomial expression is given as follows:

(2x² + x + 6)/[(x + 5)(x - 8)]

The values x = -5 and x = 8 are excluded from the domain.

<h3>How to find the simplified polynomial expression?</h3>

When polynomial expressions involve addition or subtraction, we combine the like terms, for multiplication, we apply the distributive property, multiplying all terms, and for division, we apply the last common multiple.

For this problem, the expression is given by:

\frac{5x^2 - 25x - 4}{x^2 - 3x - 40} + \frac{2}{x - 8} - \frac{3x}{x + 5}

The factors are given as follows:

x² - 3x - 40, x - 8, x + 5.

The multiplication of the last two is given by:

(x - 8)(x + 5) = x² - 3x - 40.

Hence (x - 8)(x + 5) is the least common factor, and the equivalent expression is found as follows:

\frac{5x^2 - 25x - 4}{x^2 - 3x - 40} + \frac{2}{x - 8} - \frac{3x}{x + 5} = \frac{5x^2 - 25x - 4 + 2(x + 5) - 3x(x - 8)}{(x - 8)(x + 5)}

The numerator is simplified as follows:

5x² - 25x - 4 + 2(x + 5) - 3x(x - 8) = 5x² - 25x - 4 + 2x + 10 - 3x² + 24x = 2x² + x + 6.

The denominator is the lcm, hence the simplified expression is:

(2x² + x + 6)/[(x + 5)(x - 8)]

The values x = -5 and x = 8 are excluded from the domain, as a fraction cannot have a denominator of 0.

More can be learned about polynomial expressions at brainly.com/question/2833285

#SPJ1

5 0
1 year ago
A population means 25 a standard deviation a standard of 2.5 and a margin of error of 5%
Allisa [31]
The answer is 30. Hope that helps :D
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3 years ago
Someone, please help! <br> Solve: 2(1-5x) + 4 = -8
ZanzabumX [31]

Answer:

\huge\boxed{x=\dfrac{7}{5}\to x=1\dfrac{2}{5}}

Step-by-step explanation:

2(1-5x)+4=-8\qquad|\text{divide both sides by 2}\\\\\dfrac{2\!\!\!\!\diagup(1-5x)}{2\!\!\!\!\diagup}+\dfrac{4\!\!\!\!\diagup}{2\!\!\!\!\diagup}=\dfrac{-8\!\!\!\!\diagup}{2\!\!\!\!\diagup}\\\\1-5x+2=-4\\\\-5x+3=-4\qquad|\text{subtract 3 from both sides}\\\\-5x=-7\qquad|\text{divide both sides by (-5)}\\\\x=\dfrac{7}{5}

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2 years ago
oscar earns extra money, m, working two weekends with his uncle. he is saving to buy a new scooter that costs $138. Fantasia say
nikitadnepr [17]

Answer:

Step-by-step explanation:

30

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3 years ago
SOMEONE PLEASE HELP ME ASAP PLEASE!!!​
quester [9]

Answer:

invalid

Step-by-step explanation:

The case of an equilateral triangle disproves this

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