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pantera1 [17]
3 years ago
11

What is 5 to the negative 3 power supposed to be in simplified form???

Mathematics
1 answer:
mariarad [96]3 years ago
8 0
5^-3 = 1/25 = 0.008. There is your answer
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3. Look at the map. Explain why Elm Street and Birch Street are not perpendicular.
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Step-by-step explanation:

I had this same question on Gradpoint and got it correct.

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What is 24.534 rounded to the nearest hundredth
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Consider the following equation. f(x, y) = y3/x, P(1, 2), u = 1 3 2i + 5 j (a) Find the gradient of f. ∇f(x, y) = Correct: Your
BaLLatris [955]

f(x,y)=\dfrac{y^3}x

a. The gradient is

\nabla f(x,y)=\dfrac{\partial f}{\partial x}\,\vec\imath+\dfrac{\partial f}{\partial y}\,\vec\jmath

\boxed{\nabla f(x,y)=-\dfrac{y^3}{x^2}\,\vec\imath+\dfrac{3y^2}x\,\vec\jmath}

b. The gradient at point P(1, 2) is

\boxed{\nabla f(1,2)=-8\,\vec\imath+12\,\vec\jmath}

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It looks like

\vec u=\dfrac{13}2\,\vec\imath+5\,\vec\jmath

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Then

D_{\vec u}f(1,2)=\dfrac{\left(-8\,\vec\imath+12\,\vec\jmath\right)\cdot\left(\frac{13}2\,\vec\imath+5\,\vec\jmath\right)}{\frac{\sqrt{269}}2}

\boxed{D_{\vec u}f(1,2)=\dfrac{16}{\sqrt{269}}}

7 0
3 years ago
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