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jekas [21]
3 years ago
8

Solve log x - 2 = 3 A. 1 B. 100,000 C. 10,000 D. 10

Mathematics
1 answer:
ahrayia [7]3 years ago
4 0

Answer: 100,000

Step-by-step explanation:

Given :

logx - 2 = 3

add 2 to both sides

log x = 5

Therefore :

x = 10^{5}

x = 100,000

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Which side lengths form a right triangle ?
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4 years ago
Use the quadratic formula to solve 9x2 + 6x – 17 = 0. A. B. x = –1, –5 C. D.
Taya2010 [7]

Answer:

x_{1} = -\frac{1}{3} +\sqrt{2} ; x_{2} = -\frac{1}{3}-\sqrt{2}

Step-by-step explanation:


9x² + 6x – 17 = 0

Apply the quadratic formula

x = \frac{-b\pm\sqrt{b^2-4ac}}{2a}

a = 9; b = 6; y = -17

x = \frac{-6\pm\sqrt{6^2 - 4\times 9 \times(-17)}}{2\times 9}

x = \frac{-6\pm\sqrt{36+36\times17}}{18}

x = \frac{-6\pm\sqrt{36(1+17)}}{18}

x = \frac{-6\pm 6 \sqrt{18}}{18}

x = \frac{-1\pm \sqrt{9\times2}}{3}

x = \frac{-1\pm 3\sqrt{2}}{3}

x_{1} = -\frac{1}{3} +\sqrt{2} ; x_{2} = -\frac{1}{3}-\sqrt{2}

The graph below shows the roots at x₁ =1.081 and x₂ = -1.748.

6 0
3 years ago
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