2 years ago

What is the answer to the measure of angle A?

Mathematics

1 answer:

rosijanka [135]2 years ago

6 0

Answer: 110
(WORK SHOWN BELOW)

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Find the work done by force dield f(x,y)=x^2i+ye^xj on a particle that moves along parabola x=y^2+1 from(1,0) to (2,1)

NemiM [27]

Call the parabola $P$ , parameterized by $\mathbf r(y)=\langle y^2+1,y\rangle$ with $0\le y\le 1\rangle$ . Then the work done by $\mathbf f(x,y)$ along $P$ is

$\displaystyle\int_P\mathbf f(x,y)\cdot\mathrm d\mathbf r=\int_{y=0}^{y=1}\mathbf f(x(y),y)\cdot\dfrac{\mathrm d\mathbf r(y)}{\mathrm dy}\,\mathrm dy$
$=\displaystyle\int_0^1\langle(y^2+1)^2,ye^{y^2+1}\rangle\cdot\langle2y,1\rangle\,\mathrm dy$
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3 years ago

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marishachu [46]

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x=2

Step-by-step explanation:

This is a one-to-one relationship, so when the output (range) is 4, the input (domain) is 2

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2 years ago

Find the first three terms of the sequence below.<br> T, = n2 + 2n +9

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