3 years ago

Given the points (-3,2) and (1,2) are vertices of a square, what two sets of coordinates could form the other two vertices

Mathematics

1 answer:

Keith_Richards [23]3 years ago

6 0

(-3,-2) and (1,-2)

Hope this helps!

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Let m be the capped cylindrical surface which is the union of two surfaces, a cylinder given by x2+y2=49, 0≤z≤1, and a hemispher

maxonik [38]

It seems that the boundary of $M$ is the circle $x^2+y^2=49$ in the plane $z=0$ . By Stokes' theorem,

$\displaystyle\iint_M(\nabla\times\vec f)\cdot\mathrm d\vec S=\int_{\partial M}\vec f\cdot\mathrm d\vec r$

Parameterize $\partial M$ by

$\vec r(t)=(7\cos t,7\sin t,0)$

with $0\le t\le2\pi$ . Then the line integral is

$\displaystyle\int_{\partial M}\vec f(x(t),y(t),z(t))\cdot\mathrm d\vec r=\int_0^{2\pi}(56\sin t,35\cos t,0)\cdot(-7\sin t,7\cos t,0)\,\mathrm dt$

$=\displaystyle\int_0^{2\pi}(245\cos^2t-392\sin^2t)\,\mathrm dt=\boxed{-147\pi}$

3 0

3 years ago

Is my answer wrong or correct? Please be honest..

Nostrana [21]

Answer:

this looks to be right to me

7 0

3 years ago

Read 2 more answers

An exam worth 145 points contains 50 questions. Some of the questions are worth two points and some are worth five points. How m

MatroZZZ [7]

A*5+b*2=145
a +b =50 | * -2

5a +2b=145
-2a -2b = -100
----------------------
5a-2a = 145-100
3a= 45
a=45:3
a=15 questions are worth 5 p
b=50-15=35 questions worth 2 p

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3 years ago

Given: x - 6 > -2

baherus [9]

{ x | x E R, x > 4 }

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3 years ago

Consider the two account balances.

jonny [76]

Answer: I believe the answer is B

Step-by-step explanation:

Usually if there is a negative with regards to balance it represents debt.

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3 years ago