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SVEN [57.7K]
3 years ago
9

Pete bought 70 shares of WBC co. at the close price of $41.25. his broker charges him 3% of each share as a transaction fee. how

much did Pete spend in total to buy this stock?
Mathematics
1 answer:
olya-2409 [2.1K]3 years ago
6 0

Answer:2974.125

Step-by-step explanation:

Price of a share is 41.25

and price of 70 shares = 41.25\times 70

=2887.5

and broker charges =3%

i.e. 3% of 41.25=1.2375

For 70 shares=86.625

Therefore he paid=2887.5+86.625=$ 2974.125

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koban [17]

\dfrac{\mathrm dy}{\mathrm dt}=-4x\implies x=-\dfrac14\dfrac{\mathrm dy}{\mathrm dt}\implies\dfrac{\mathrm dx}{\mathrm dt}=-\dfrac14\dfrac{\mathrm d^2y}{\mathrm dt^2}

Substituting this into the other ODE gives

-\dfrac14\dfrac{\mathrm d^2y}{\mathrm dt^2}=-4y\implies y''-16y=0

Since x(t)=-\dfrac14y'(t), it follows that x(0)=-\dfrac14y'(0)=4\implies y'(0)=-16. The ODE in y has characteristic equation

r^2-16=0

with roots r=\pm4, admitting the characteristic solution

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From the initial conditions we get

y(0)=5\implies 5=C_1+C_2

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So we have

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Take the derivative and multiply it by -1/4 to get the solution for x(t):

-\dfrac14y'(t)=\boxed{x(t)=-\dfrac12e^{4t}+\dfrac92e^{-4t}}

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3 years ago
Surface area helpp needed
Firlakuza [10]

Answer:

144 un²

Step-by-step explanation:

Front Parallelogram = 5 x 11 = 55

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Back Parallelogram = 3 x 11 = 33

Bottom rectangle = 4 x 11 = 44

Total =

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units = un²

144 un²

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

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2 years ago
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