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ahrayia [7]
3 years ago
5

Solve for x. -2.3(x - 1.2) = -9.66

Mathematics
1 answer:
Elena-2011 [213]3 years ago
3 0
<span>Reorder the terms: -2.3(-1.2 + x) = -9.66 (-1.2 * -2.3 + x * -2.3) = -9.66 (2.76 + -2.3x) = -9.66 Solving 2.76 + -2.3x = -9.66 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.76' to each side of the equation. 2.76 + -2.76 + -2.3x = -9.66 + -2.76 Combine like terms: 2.76 + -2.76 = 0.00 0.00 + -2.3x = -9.66 + -2.76 -2.3x = -9.66 + -2.76 Combine like terms: -9.66 + -2.76 = -12.42 -2.3x = -12.42 Divide each side by '-2.3'. x = 5.4 Simplifying x = 5.4</span>
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seropon [69]

Answer: a) x = 5 or -1 b) x = √3+2

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a) (x − 2)² = 9

First step is to take the square root of both sides to eliminate the square

√ (x − 2)² = √9

x-2 = +-3

x = +3+2

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b) 3(x-2)² = 9

First we divide both sides by 3 to get;

(x-2)² = 9/3

(x-2)² = 3

Second step is to take the square root of both sides to eliminate the square

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Dividing both sides by 24, we have

6/24 = (x+1)²

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Taking the square root of both sides we have

√1/4 = √(x+1)²

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x = +1/2-1 = -1/2 and;

x = -1/2-1 = -3/2

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4 0
3 years ago
!HELP!
atroni [7]

I hope this help you with what you need

5 0
3 years ago
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Sladkaya [172]
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hope this helped :)


4 0
2 years ago
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