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3 years ago

Find the value of x in the isosceles triangle shown below Thank you!

Mathematics

1 answer:

iogann1982 [59]3 years ago

3 0

And isosceles triangle always equals 180 degrees so to find the value of x what number would you need for the value to be 180

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Match the parametric equations with the verbal descriptions of the surfaces by putting the letter of the verbal description to t

alukav5142 [94]

Answer:

1. B

2. C

3. A

4. D

Step-by-step explanation:

The parametric equations of the circular cylinder are:

$x(u,v)=a\cos v\\y(u,v)=a\sin v\\z(u,v)=u$

If the orientation of the cylinder is changed to have the height $u$ along the x-axis, the parametric equations of the cylinder match:

$3. \mathbf{r} \left( u, v \right) = u \mathbf{i} + \cos v \mathbf{j} + \sin v \mathbf{k}$

The parametric equations of the circular paraboloid are:

$x(u,v)=u\cos v\\y(u,v)=u\sin v\\z(u,v)=u^2$

Using the units vectors the parametric equations match:

$1. \mathbf{r} \left( u, v \right) = u \cos v \mathbf{i} + u \sin v \mathbf{j} + u^{2} \mathbf{k}$

The parametric equations of the cone are:

$x(u,v)=au\cos v\\y(u,v)=au\sin v\\z(u,v)=u$

Using the units vectors and rotating the base of the cone from $z=0$ to $x=0$ the parametric equations match:

$2. \mathbf{r} \left( u, v \right) = u \mathbf{i} + u \cos v \mathbf{j} + u \sin v \mathbf{k}$

The equation left is the equation of a plane:

$4. \mathbf{r} \left( u, v \right) = u \mathbf{i} + v \mathbf{j} + \left( 2u - 3v \right) \mathbf{k}$

5 0

3 years ago

11. Find the sum of all prime numbers between 50<br>and 60.<br>A. 109<br>B. 110 -0. 112 D. 122

denpristay [2]

Answer:

$C.112$

Step-by-step explanation:

$First,\\Lets\ list\ out\ all\ the\ primes\ between\ 50\ and\ 60:\\53,59\\Hence,\\By\ adding\ them\ we\ get:\\53+59\\=112$

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3 years ago

Brainly for the one who help me

kakasveta [241]

Answer:

prior to

Step-by-step explanation:

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2 years ago

You purchase a shirt for $8.00 there is a 6% sales tax. Your total cost will be

Sonbull [250]

Answer:

Your total cost would be $8.48.

Step-by-step explanation:

You are charged $0.06 for ever dollar spent. 0.06 x 8 = 0.48

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3 years ago

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nirvana33 [79]

Answer:B

Step-by-step explanation:

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3 years ago