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Anuta_ua [19.1K]
3 years ago
8

Solve the following equations. 43xx−1 = 32

Mathematics
1 answer:
kotykmax [81]3 years ago
3 0
This is the answer.

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Please please please help asap
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The answer is 22 cards are left in the stack.

Step-by-step explanation:

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Solve for y.<br> 3X+2y=12
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3x + 2y = 12

2y = -3x + 12
  y = -1.5x + 6
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Find slope of line perpendicular to given line x=3
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perpendicular means negative reciprocal so it would be -1/3

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A house has decreased in value by 27% since it was purchased. If the current value is $146,000, what was the value when it was p
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Answer:

27% = 0.27 of 146.000 = 39.420

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7 0
2 years ago
a rock is thrown from the top of a tall building. the distance, in feet, between the rock and the ground x seconds after it is t
frez [133]

Answer:

1.5 seconds

Step-by-step explanation:

Since f(x) represents the distance from the ground to the rock (in feet), we just need to find the values of x for which f(x) = 340. Substituting f(x) = 340 into f(x) = -16x² - 4x + 382 gives us:

340 = -16x² - 4x + 382

0 = -16x² - 4x + 42 (Subtract 340 from both sides)

16x² + 4x - 42 = 0  (Multiply entire equation by -1, "flip" equation)

8x² + 2x - 21 = 0    (Divide entire equation by 2)

(4x + 7)(2x - 3) = 0  (Factor LHS)

4x + 7 = 0 or 2x - 3 = 0 (Zero Product Property)

4x = -7 or 2x = 3 (Subtract -7 and add 3 from/to both sides, respectively)

x = -\frac{7}{4} = -1.75 or  x =\frac{3}{2} = 1.5

x = -1.75 is an extraneous solution because in the context of the question, you can't have negative seconds so therefore, the final answer is 1.5 seconds.

Hope this helps!

3 0
2 years ago
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