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3 years ago

Ben is standing 8 feet from

Mathematics

1 answer:

never [62]3 years ago

5 0

Answer:

Approximately 15.05 ft

Step-by-step explanation:

You need to use tangent for this question.

Since tan θ = $\frac{Opposite}{Adjacent}$

to find the Opposite, we need to rearrange the equation to:

Adjacent × tan θ = Opposite.

So if you insert 62 for θ and 8 feet for Adjacent, you will get:

8 × tan(62) = Opposite.

and you will get approximately 15.05 feet for your Opposite side

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2 years ago

Whats the perimeter of the figure below?

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3 years ago

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34kurt

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which follows from the usual change of coordinates via

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and Jacobian determinant

$|\det J|=\left|\begin{vmatrix}\mathbf x_r&\mathbf x_\theta\\\mathbf y_r&\mathbf y_\theta\end{vmatrix}\right|=|r|$

Swap the order, so that the integral is

$\displaystyle\int_{r=0}^{r=5}\int_{\theta=0}^{\theta=\pi/2}r^2\sin\theta e^{r\cos\theta}\,\mathrm d\theta\,\mathrm dr$

and now let $\sigma=r\cos\theta$ , so that $\mathrm d\sigma=-r\sin\theta$ . Now, you have

$\displaystyle\int_{r=0}^{r=5}\int_{\sigma=0}^{\sigma=r}re^\sigma\,\mathrm d\sigma\,\mathrm dr=\int_{r=0}^{r=5}r(e^r-1)\,\mathrm dr=4e^5-\dfrac{23}2$

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3 years ago

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sergeinik [125]

i think you do it by like

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you do this to get the height

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17.85×6= 107. 15

im not sure

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3 years ago

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Ms. Nellies has 2 1/2 pints of vinegar for her students to use in a science experiment. Each

adoni [48]

Answer:

incorrect

2 1/2 divided by 3/4

2 1/2 divided by 3/8 = 6 2/3

hope that helped i checked it over im positive its correct

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3 years ago