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ElenaW [278]
3 years ago
10

URGENT! When we solve (cos²x - 1 = 0) by adding and taking the square root, how come we get the same answer when we factor (cos²

x - 1) and use the zero product property to find the solution?
Mathematics
1 answer:
boyakko [2]3 years ago
4 0

Answer:

56

Step-by-step explanation:

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77julia77 [94]

Answer:

The answer is B

Step-by-step explanation:

They both equal one 180 so add like terms and solve

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You’re five neighboring restaurants charge $9.95, $12.95, 8.50, 8.95, and $10.54 hamburger special. What is the mean price
Maslowich
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In simplest radical form, what are the solutions to the quadratic equation 6 = x2 - 10x?
WARRIOR [948]

Answer:

x = 5 - \sqrt{31}, 5 + \sqrt{31}

Step-by-step explanation:

6 = x^2 - 10x

0 = x^2 - 10x - 6

Let's use the quadratic formula. ( x = \frac{-b +- \sqrt{b^2 - 4ac}}{2a})

x = \frac{10 +- \sqrt{-10^2 - 4(-6)}}{2}

x = \frac{10 +- 2\sqrt{31} }{2}

  = 5 +- \sqrt{31}

x = 5 - \sqrt{31}, 5 + \sqrt{31}

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3 years ago
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tatiyna

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there ages are 29 and 3 years old

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Students plant 148 flowers at a community park. Seventy-eight percent of the flowers are pansies. Use
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