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Marrrta [24]
3 years ago
5

Aaron estimated that 148% of 333 is 495

Mathematics
2 answers:
maksim [4K]3 years ago
7 0

Answer:

492.84

Step-by-step explanation:

333 x 148÷100

= 492.84

Eva8 [605]3 years ago
3 0

Answer: Yes, because his calculation should be 150% of 330.

Step-by-step explanation:

150×330 = 495

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Use the laplace transform to solve the given system of differential equations. dx dt + 3x + dy dt = 1 dx dt − x + dy dt − y = et
blagie [28]

Let X(s) and Y(s) denote the Laplace transforms of x(t) and y(t).

Taking the Laplace transform of both sides of both equations, we have

\dfrac{dx}{dt} + 3x + \dfrac{dy}{dt} = 1 \implies \left(sX(s) - x(0)\right) + 3X(s) + \left(sY(s) - y(0)\right) = \dfrac1s \\\\ \implies (s+3) X(s) + s Y(s) = \dfrac1s

\dfrac{dx}{dt} - x + \dfrac{dy}{dt} = e^t \implies \left(sX(s) - x(0)\right) - X(s) + \left(sY(s) - y(0)\right) = \dfrac1{s-1} \\\\ \implies (s-1) X(s) + s Y(s) = \dfrac1{s-1}

Eliminating Y(s), we get

\left((s+3) X(s) + s Y(s)\right) - \left((s-1) X(s) + s Y(s)\right) = \dfrac1s - \dfrac1{s-1} \\\\ \implies X(s) = \dfrac14 \left(\dfrac1s - \dfrac1{s-1}\right)

Take the inverse transform of both sides to solve for x(t).

\boxed{x(t) = \dfrac14 (1 - e^t)}

Solve for Y(s).

(s - 1) X(s) + s Y(s) = \dfrac1{s-1} \implies -\dfrac1{4s} + s Y(s) = \dfrac1{s-1} \\\\ \implies s Y(s) = \dfrac1{s-1} + \dfrac1{4s} \\\\ \implies Y(s) = \dfrac1{s(s-1)} + \dfrac1{4s^2} \\\\ \implies Y(s) = \dfrac1{s-1} - \dfrac1s + \dfrac1{4s^2}

Taking the inverse transform of both sides, we get

\boxed{y(t) = e^t - 1 + \dfrac14 t}

7 0
1 year ago
What is the value of the expression i^0 x i^1 x i^2xi^3xi^4
monitta

Answer: The answer is - 1.

Step-by-step explanation: We are given to find the value of the given expression

E_c=i^0\times i^1\times i^2\times i^3\times i^4.

We know that 'i' is an imaginary unit and its value is √-1. So, we have

i^0=(\sqrt{-1})^0=1,\\\\i^1=i=\sqrt{-1},\\\\i^2=(\sqrt{-1})^2=-1,\\\\i^3=i^2.I=(-1)i=-\sqrt{-1},\\\\i^4=(i^2)^2=(-1)^2=1.

Therefore, the given expression becomes

E_c\\\\=i^0\times i^1\times i^2\times i^3\times i^4\\\\=1\times \sqrt{-1}\times(-1)\times({-\sqrt{-1}})\times 1\\\\=1\times (-1)\\\\=-1..

Thus, the answer is - 1.

5 0
3 years ago
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Answer: ax(5a+7)

Step-by-step explanation:

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.06(38.39)= 2.3034 which rounds to $2.30 in tax.
Add that onto the clearance price 38.39+2.30=$40.69
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3 years ago
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A sample of 2,500 people was asked how many cups of coffee they drink in the morning. You are given the following sample informa
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Answer:1.2c

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3 years ago
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