RedDragon1

14 Questions
3 Answers

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Help with Magnitude

Let z and w be complex numbers such that |z|=1,|w|=7, and |5z-2w|=11. Find |3z+4w|

RedDragon1 Jul 13, 2024

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3

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Help Please

Suppose that all four of the numbers
2-sqrt(5), 4+sqrt(10),14-2sqrt(7), -sqrt(2)
are roots of the same nonzero polynomial with rational coefficients. What is the smallest possible degree of the polynomial?

RedDragon1 Jul 10, 2024

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3

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Triangle DEF is inscribed in circle G. In circle G, angle EDF=29 and arc DF has a measure of 132. If the circumference of circle G is 24

Triangle DEF is inscribed in circle G. In circle G, angle EDF=29 and arc DF has a measure of 132. If the circumference of circle G is 24 units, what is the length of arc DE? Express your answer as a common fraction.

RedDragon1 May 27, 2024

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5

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In triangle ABC, cos A=sqrt(7/10) and cos B=sqrt(3/10) Find cos C

In triangle ABC, cos A=sqrt(7/10) and cos B=sqrt(3/10) Find cos C

RedDragon1 May 9, 2024

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13

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+46

The line x=k bisects the area of triangle ABC. Find the value of k. A on the coodinate grid is (3,2), B is (-5,0), and C is (1,0)

The line x=k bisects the area of triangle ABC. Find the value of k. A on the coodinate grid is (3,2), B is (-5,0), and C is (1,0)

RedDragon1 Apr 30, 2024

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8

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The point (8,2) is on an asyptote of the hyperbola x^2/a^2-y^2/b^2=1. What is |a/b|?

The point (8,2) is on an asyptote of the hyperbola x^2/a^2-y^2/b^2=1. What is |a/b|?
Plz only give hints.

RedDragon1 Apr 28, 2024

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7

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Four points form the vertices of a square. Find the area of the square if the points are (2,b), (0,a), (5,c), and (7,d).

Four points form the vertices of a square. Find the area of the square if the points are (2,b), (0,a), (5,c), and (7,d).

RedDragon1 Apr 26, 2024

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10

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A translation maps A ti A' and B to B'. We know AA'=6, AB=5, and AB'=5 find BA'

A translation maps A ti A' and B to B'. We know AA'=6, AB=5, and AB'=5 find BA'

RedDragon1 Apr 13, 2024

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14

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+46

Question

Equilateral triangle ABC is inscribed in a circle. Let P be a point on arc BC. Given that PB=18 and PC=7 find PA.

RedDragon1 Apr 13, 2024

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9

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Question

A,B,C, and D are distinct points on the plane. A rotation about point O maps A to B, B to C, and C to D. We know angle AOD is 24 Enter all three possible degree measures (between 0 and 180) of angle AOB separated read more ..

RedDragon1 Apr 13, 2024

0

10

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+46

Question

In the diagram below, Point A is sqrt(3) units above O. Whenever Tasha moves a point, she translates the point sqrt(2) units to the right. Whenever Richard moves a point, he rotates the point clockwise about point O by 90˚
In read more ..

RedDragon1 Apr 13, 2024

+46

0

The answer is sqrt(913)

RedDragon1Jul 14, 2024