All Questions ⁺⁰237827 Questions

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171

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triangles

1. Find the area of triangle ABC if AB = 6, BC = 8, and angle ABC = 90 degrees.
2. If angle ABC = 135 degrees, and angle ACB = 30 degrees, what is angle BAC?

Guest May 9, 2023

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139

4

Law of Sines: Bird watching

Corey spies a bald eagle in a tall tree. He was able to measure the angle of elevation to the bird from where he stands at 62°. The leaves on the tree make it difficult for Corey to watch the bird, so he moves 10 feet further away from the tree to get a read more ..

Guest May 9, 2023

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147

1

The coordinates of points A and B are (–7, 5) and (4, –3), respectively. What is the distance, in units, between the points? Round to the ne

The coordinates of points A and B are (–7, 5) and (4, –3), respectively. What is the distance, in units, between the points? Round to the nearest tenth if necessary.

Guest May 9, 2023

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163

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System

Real numbers a and b satisfy
a + ab = 250
a - ab = -240
Enter all possible values of a, separated by commas. read more ..

Guest May 9, 2023

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165

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system

For certain values of k and m, the system
3a + 2b = 2
6a + 2b = k + 3a + mb
has infinitely many solutions (a,b). What are k and m? read more ..

Guest May 9, 2023

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160

0

Help with graphing

Let p(x) be a quadratic polynomial, such that its graph is tangent to the lines y = -11x - 37, y = x and y = 9. The x-coordinates of these points of tangency are x_1, x_2, and x_3. Find x_1 + x_2 + x_3.

Guest May 9, 2023

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146

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Plz help

Six parabolas are arranged around a circle. Each parabola is congruent to the graph of y = x^2/4. Also, each parabola is tangent to the circle, and its two neighboring parabolas. Find the radius of the circle.

Guest May 9, 2023

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175

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help please thank you

The combined volume of two identical cubes is 54 cubic cetimeters. What is the side length of each cube?

Guest May 9, 2023

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155

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help im stuck

Fill in the blanks with integers, and select the correct operator (+ or -), to give an equation whose graph is the line that passes through the point (-7,-2) and is parallel to the graph of x + y = -5

Guest May 9, 2023

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145

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help needed plz

This is some very hard geometry
Triangle XYZ is equilateral. Points Y and Z lie on a circle centered at O, such that X is the circumcenter of triangle OYZ, and X lies inside triangle OYZ. If the read more ..

Guest May 9, 2023

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157

1

help plz

Determine the number of ways of choosing three points from the grid below, so that they form an isosceles right triangle.

Guest May 9, 2023

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167

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Beal Conjecture

is 32^5=64^4+256^3 a solution to the Beal Conjecture?

Guest May 9, 2023

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156

3

help help

Sophie's favorite number is a two-digit number. If she reverses the digits, the result is 45 less than her favorite number. Also, one digit is one less than double the other digit. What is Sophie's favorite number?

Guest May 9, 2023

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159

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Math

Guest May 9, 2023

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169

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System

Plz I cant get this
One ordered pair (a,b) satisfies the two equations ab^4 = 48 and ab = 72. What is the value of b in this ordered pair? (Note: you may have to use the Tab key to get your cursor into the middle answer box.) read more ..

Guest May 9, 2023

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158

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2/3m+14=0 solve for m

2/3m+14=0 solve for m

Guest May 9, 2023

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154

0

help plz

Solve for x: (3x + 12)(x + 4) = (4x^2 + 8x + 18x^2)(2x).

Guest May 9, 2023

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151

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Solve

Solve 3a + 4b = 5a - 6b + 24 - 3a for a in terms of b.

Guest May 9, 2023

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80

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Simplify

Assuming that 3u + v neq 0, simplify (54u^2 v + 18uv^2)(9u + 3v).

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Guest May 9, 2023

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159

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equation

1. Find all real numbers a that satisfy \frac{1}{64a^3 + 7} - 7 = 0.
2. Find all values of a that satsify the equation \frac{a}{3} + 1 = \frac{a + 3}{a} + 1.

Guest May 9, 2023

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131

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hard geo

In triangle ABC, point X is on side BC such that AX=13,BX=10,CX=10, and the circumcircles of triangles ABX and ACX have the same radius. Find the area of triangle ABC.

Guest May 9, 2023

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