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il63 [147K]
3 years ago
15

Vu Nguyen purchased x shares of Baron Electric stock at $30 per share. He sold all the stock for $12 per share and suffered a lo

sss of $360. How many shares of stock did Vu purchase?
Mathematics
1 answer:
Murljashka [212]3 years ago
6 0

Answer:

20 shares.

Step-by-step explanation:

Starting price paid = 30 * x

Ending price received = 12 * x

Loss = 360

Difference = 30x - 12x = 360

Equation

30x - 12x = 360 Combine the terms on the left

18x = 360           Divide by 18

18x/18 = 360/18  Do the division

x = 20  << Answer

He bought 20 shares of the company originally.

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Evaluate each trigonometric equation for θ.
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Answer:

sinФ = 8/17

cosФ = 15/17

tan Ф = 8/15

csc Ф = 17/8

sec Ф = 17/15

cot Ф = 15/8

Step-by-step explanation:

Let us revise the trigonometry functions

  • Sin(x) = opposite/hypotenuse
  • Cos(x) = adjacent/hypoteouse
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In the given figure

The opposite side to angle Ф = 8

The adjacent side to angle Ф = 15

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Hypotenuse = \sqrt{64+225}

Hypotenuse = \sqrt{289}

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Let us use the rules above to find the trigonometry functions

sinФ = 8/17

cosФ = 15/17

tan Ф = 8/15

csc Ф = 17/8

sec Ф = 17/15

cot Ф = 15/8

4 0
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What is the sum of -3 and -12
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Step-by-step explanation:

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Step-by-step explanation:

The output rate of the teller machine is (1 transaction/6 minutes).  The input rate is (1 customer/10 minutes).  This means that the machine completes a cycle faster than the customers arrive, on the average.  I don't know how an average can be calculated without more information.  If we assume customers arrive every 10 minutes, and no one screws up the machine, that there should be no waiting line.   Is there more information about when the customers arrive?  E.g., 50 arrive in the first hour the machine is open.

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2 years ago
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