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kykrilka [37]
4 years ago
6

Plz help me with this.

Mathematics
2 answers:
oee [108]4 years ago
7 0

Answer:

Step-by-step explanation:

Tcecarenko [31]4 years ago
4 0

Answer:

a) 4/7 ÷ 7/4 = 16/49

b) 28/5 ÷ 8/3 = 84/40

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iris [78.8K]

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nignag [31]

It looks like the vector field is

<em>F</em><em>(x, y)</em> = 3<em>x</em> ^(2/3) <em>i</em> + <em>e</em> ^(<em>y</em>/5) <em>j</em>

<em></em>

Find a scalar function <em>f</em> such that grad <em>f</em> = <em>F</em> :

∂<em>f</em>/∂<em>x</em> = 3<em>x</em> ^(2/3)   =>   <em>f(x, y)</em> = 9/5 <em>x</em> ^(5/3) + <em>g(y)</em>

=>   ∂<em>f</em>/∂<em>y</em> = <em>e</em> ^(<em>y</em>/5) = d<em>g</em>/d<em>y</em>   =>   <em>g(y)</em> = 5<em>e</em> ^(<em>y</em>/5) + <em>K</em>

=>   <em>f(x, y)</em> = 9/5 <em>x</em> ^(5/3) + 5<em>e</em> ^(<em>y</em>/5) + <em>K</em>

(where <em>K</em> is an arbitrary constant)

By the fundamental theorem, the integral of <em>F</em> over the given path is

∫<em>c</em> <em>F</em> • d<em>r</em> = <em>f</em> (0, 1) - <em>f</em> (1, 0) = 5<em>e</em> ^(1/5) - 34/5

5 0
3 years ago
Write 7 16/25 as a decimal.​
Burka [1]
Hi! your answer should be 7.64 if I am not mistaken
6 0
4 years ago
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Step-by-step explanation:

\frac{1}{3}^2 =\\\frac{1}{3} * \frac{1}{3}=\\\frac{1}{9}

7 0
3 years ago
Please help with these last two questions
const2013 [10]
What is x so i can solve it
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