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Elen8
Username
Elen8
Score
24
Stats
Questions
6
Answers
0
6 Questions
0 Answers
0
107
1
+24
Please Help! Thank you.
1. A regular dodecagon is inscribed in a circle with radius 1. Compute
(The sum includes all terms of the form , where )
2. In the diagram, , arc XY is , and arc VW is . Find arc WY, in degrees. (view diagram)
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Elen8
Dec 27, 2019
0
85
1
+24
View Question - Help. Thank you.
1. In cyclic quadrilateral PQRS, angle P/2 = angle Q/3 = angle R/4. Find the largest angle of quadrilateral PQRS, in degrees.
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Elen8
Dec 27, 2019
0
87
1
+24
Help! Thank you.
1. Simplify $\frac{3}{\sqrt[5]{16}}+\frac{1}{\sqrt{3}}$ and rationalize the denominator. The result can be expressed in the form $\frac{a^2\sqrt[5]{b}+b\sqrt{a}}{ab}$, where $a$ and $b$ are integers. What is the value of the sum $a+b$?
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Elen8
Dec 27, 2019
0
186
2
+24
Please help (a lot of questions) :) thank you
1. The quadratic $x^2 + 5x + c$ has roots in the form of $x = \frac{-5 \pm \sqrt{c}}{2}$. What is the value of $c$?
2. The quadratic $x^2+440x+440^2$ can be written in the form $(x+b)^2+c$, where $b$ and $c$ are constants.
read more ..
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Elen8
Dec 25, 2019
0
102
1
+24
Due tomorrow, pls help!!
1. Find the product of all positive integer values of $c$ such that $8x^2+15x+c=0$ has two real roots.
2. The equation $x^2+18x=27$ has two solutions. The positive solution has the form $\sqrt{a}-b$ for positive natural
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Elen8
Dec 22, 2019
0
182
3
+24
PLS Help
1. Points $X$ and $Y$ lie on a circle centered at $O,$ and arc $XY$ is $80^\circ.$ The circle passing through points $O,$ $X,$ and $Y$ is drawn. Find the measure of arc $XOY$ on the smaller circle.
2. Trapezoid $WXYZ$ is inscribed
read more ..
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Elen8
Dec 22, 2019