3 years ago

Which equation has the solution x = 2?

Mathematics

1 answer:

romanna [79]3 years ago

3 0

Answer:

$3x + 2 = 8 \\ 3x = 6 \\ x = \frac{6}{ 3} \\ x = 2$

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Roman55 [17]

Answer:

See below, please

Step-by-step explanation:

The right：

${(y + c)}^{2} - b \times (x + a) \\ = ( {y}^{2} + 2yc + {c}^{2} ) - bx - ba =$

$= {y}^{2} - bx + 2cy + {c}^{2} - ab$

The left:

$= {y}^{2} - 7x - 18y + 109$

So, after comparing the right side and the left side of this equation, we know

$b = 7$

$2c = - 18 \\ so \\ c = - 9$

${c}^{2} - ab = 109$

So,

$a = \frac{ {c}^{2} - 109}{b} = \frac{ { (- 9)}^{2} - 109}{7} = \frac{ - 28}{7} = - 4$

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2 years ago

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slavikrds [6]

Answer:

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Step-by-step explanation:

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T = ?

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3 years ago

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Anna35 [415]

D.20 cm hope this helps

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weeeeeb [17]

The area is 30 m!

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Vaselesa [24]

Answer:

i hope you find the answer but unfortunaatly im not sure

Step-by-step explanation: thankyou for the points though :)

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