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Recent questions tagged length


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When a metal becomes a superconductor, there is a tremendous decrease in its:
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When a metal becomes a superconductor, there is a tremendous decrease in its:When a metal becomes a superconductor, there is a tremendous decrease in its: w) total volume x) electrical resistance y) length z) density ...
by Digitized Wooden
(1,150 points)
asked in Physics Oct 5, 2021
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The focal length of a concave spherical mirror is equal to 1 meter. What is the radius of curvature of this mirror?
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A converging thin lens has a focal length of 27 centimeters. An object is placed 9 centimeters from the lens. Where is the image of this object formed?

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The focal length of a concave mirror is 2 meters. An object is positioned 8 meters in front of the mirror. Where is the image of this object formed
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Determine the equation of the circle with centre \((2 ;-5)\) and radius \(4 .\)
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Determine the equation of the circle with centre \((2 ;-5)\) and radius \(4 .\)Determine the equation of the circle with centre \((2 ;-5)\) and radius \(4 .\) ...
by MathsGee Platinum
(104,012 points)
asked in Mathematics Aug 31, 2021
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Determine the equation of the circle with centre \(\mathrm{B}(-4 ; 3)\) and radius \(4 .\)
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Determine the equation of the circle with centre \(\mathrm{K}(-5 ;-4)\) and radius \(5 .\)
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What is the derivative of the curve $F(t)=[\sin t, \cos t, t]$ in $\mathbf{R}^{3}$?
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Normalize the vector $v=(1,-3,4,2)$
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Normalize the vector $v=(1,-3,4,2)$Normalize the vector $v=(1,-3,4,2)$ ...
by Maths Genie Bronze Status
(5,362 points)
asked in Mathematics Aug 9, 2021
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What is the norm of $u=(1,-2,-4,5,3)$?
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What is the norm of $u=(1,-2,-4,5,3)$?What is the norm of $u=(1,-2,-4,5,3)$? ...
by Maths Genie Bronze Status
(5,362 points)
asked in Mathematics Aug 9, 2021
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What is the norm of a vector?
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What is the norm of a vector?What is the norm of a vector? ...
by Maths Genie Bronze Status
(5,362 points)
asked in Mathematics Aug 9, 2021
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How does the width of the confidence interval change with length?
1 answer 56 views
How does the width of the confidence interval change with length?How does the width of the confidence interval change with length? ...
by Pieter SIlver Status
(18,309 points)
asked in Data Science & Statistics Jul 23, 2021
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The sides of a rectangle are positive whole numbers. If its area is $A$ and its perimeter is $P$, which of the following numbers cannot equal $A+P ?$

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Using a right-angled triangle how can we derive the trigonometric identity $1+\cot ^{2} \theta=\csc ^{2} \theta$
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The measure of the angle $\angle C B D$ is:
0 answers 47 views
The measure of the angle $\angle C B D$ is:In the triangle $\triangle A B C$ measures of angles $\angle A=46^{\circ}$ and $\angle C=60^{\circ}$ are given. The angle bisector intersects the circ ...
by MathsGee Platinum
(104,012 points)
asked in Mathematics Jun 16, 2021
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The distance of the shorter ladder form the wall is:
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The distance of the shorter ladder form the wall is:A pair of ladders whose lengths are $4.2 \mathrm{~m}$ and $5.6 \mathrm{~m}$ are leaned onto a wall such that they reach the same height. The base of t ...
by MathsGee Platinum
(104,012 points)
asked in Mathematics Jun 16, 2021
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What is the largest rectangular area that 80m of fencing can enclose?
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What is the largest rectangular area that 80m of fencing can enclose?What is the largest rectangular area that 80m of fencing can enclose? ...
by MathsGee Platinum
(104,012 points)
asked in Mathematics Jun 11, 2021
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A right-angled triangle has sides $a, b$ and $c$ and the angle $\theta$, as shown below.
1 answer 403 views
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A right-angled triangle has sides $a, b$ and $c$ and the angle $\theta$, as shown below. A right-angled triangle has sides $a, b$ and $c$ and the angle $\theta$, as shown below. 1. $\quad$ Write the following in terms of $a, b$ an ...
by MathsGee Platinum
(104,012 points)
asked in Mathematics May 18, 2021
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Show that a triangle $\mathrm{ABC}$, with vertices $\mathrm{A}(1 ; 1) ; \mathrm{B}(3 ; 6)$ and $\mathrm{C}(6 ; 3)$, is an isosceles triangle.
1 answer 537 views
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