Elen8

6 Questions
0 Answers

0

1270

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) read more ..

Elen8 Dec 27, 2019

0

695

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.

Elen8 Dec 27, 2019

0

1402

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 $a+b$?

Elen8 Dec 27, 2019

0

1256

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 ..

Elen8 Dec 25, 2019

0

1531

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 read more ..

Elen8 Dec 22, 2019

0

2080

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 ..

Elen8 Dec 22, 2019