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311

Let H be the orthocenter of the equilateral triangle . We know the distance between the orthocenters of triangle AHC and triangle BHC

Let H be the orthocenter of the equilateral triangle . We know the distance between the orthocenters of triangle AHC and triangle BHC is 12. What is the distance between the circumcenters of Triangle AHC and Triangle BHC? read more ..

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Guest Nov 6, 2021

318

Pls help asap, i'm desperately needing you, i have no idea how to solve this....

The height (in meters) of a shot cannonball follows a trajectory given by h(t) = -4.9t^2 + 14t - 0.4 at time (in seconds). For how many seconds is the height of the cannonball at least meters?

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Guest Nov 6, 2021

203

Algebra

Find polynomial f(n) such that for all integers n >= 1 we have
f(n) = 1^3 + 2^3 + 3^3 + ... + n^3

Write f(n) as a polynomial with terms in descending order of n read more ..

Guest Nov 6, 2021

206

geometry

WXYZ is a parallelogram where angle W is half of a right angle WX = 10, and XY = 18, What is the area of the parallelogram.

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Guest Nov 6, 2021

299

Number Theory

Use the Euclidean algorithm to find integers x and y such that 164x + 39y = 1. State your answer as a list with x first and y second, separated by a comma.

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Guest Nov 6, 2021

218

Geometry

Let ABCD be a trapezoid with bases BC and AD. In this trapezoid, angle DBA = 108, angle ABD = 47, and angle BCD = 141. Find angle CBD, in degrees.

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Guest Nov 6, 2021

224

Geometry

The area of the trapezoid ABCD is equal to 60. The length of one of of the bases is 7 units greater than the other base, and the height of trapezoid ABCD is equal to 6. What is the legth of the median of trapezoid ABCD

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Guest Nov 6, 2021

215

Geometry

How many isosceles triangles with whole-number length sides have a perimeter of 30 units?

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Guest Nov 6, 2021

Nov 5, 2021

182

Counting problem

Find the number of triples (a, b, c) of positive integers, such that 1 <= a, b, c <= 100 and a^2 + b^2 + c^2 = ab + ac + 4bc.

Guest Nov 5, 2021

442

Geometry

Suppose regular polygon has an exterior angle that measures 18 degrees. How many sides does this polygon have?

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Guest Nov 5, 2021

227

Probability

I roll a die and flip three coins at the same time, and repeat this multiple times. What is the probability that I flip three heads twice in a row before I roll a 6?

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Guest Nov 5, 2021

174

Geometry

Let Y, X, and W be three consecutive vertices of a regular 18-gon. A regular heptagon is constructed on Line XY, with a vertex Z next to X. Find angle YXW, in degrees.

Guest Nov 5, 2021

300

Module question

Jerry, Kumar and Lucas shared a bag of marbles. The number of
marbles Kumar had was 1/2 of the number of marbles Lucas had.
Jerry had 1/4 of the total number of marbles. Lucas had 36 more
marbles than Jerry. read more ..

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Guest Nov 5, 2021

173

help with 3d geometry

A circle has a radius of 25. A circular sector, with an angle of 320 degrees at the center, is cut from the circle, and then rolled to form a cone. Find the volume of the cone.

Guest Nov 5, 2021

320

+11

PHYSICS pls help quickk

an acrobat is launched from a cannon at an angle of 60 above the horizontal. The acrobat is caught by a safety net mounted horizontally at the height from which he was initially launched. suppose the acrobat is launched at a speed of 26m/s. How long from read more ..

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darkestmoose Nov 5, 2021

261

Algebra

If b is positive, what is the value of b in the geometric sequence 16, a, 18, b?

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Guest Nov 5, 2021

183

Number Theory

Given that x is a multiple of 23478, what is the greatest common divisor of (2x + 3)(7x + 2) and x?

Guest Nov 5, 2021

192

Very simple question!!!

Describe how you can manipulate the parts of the triangle to form your unit shape using "translate, rotate or reflect".
Example: I rotated the cut-out from the top of my square to the top left corner.
Example: I translated the read more ..

Guest Nov 5, 2021

152

Geometry

Point D is on side AC of triangle ABC such that angle ADB = angle ABD and angle ABC - angle ACB = 37 degrees. Find angle DBC in degrees.

Guest Nov 5, 2021

369

Find the domain and range of the inverse. Express your answer in interval notation

Consider the following relation.

x = 2|y|− 3
read more ..

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Guest Nov 5, 2021

207

Geometry

In triangle PQR, angle P = angle Q + angle R + 30 degrees. Of all three exterior angles of triangle PQR, what is the least exterior angle, in degrees?

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Guest Nov 5, 2021

169

I need help quick

Let w = 3+4i. Find a complex number a such that |zw| = 40 and |z+w|= 13

Guest Nov 5, 2021

338

Quadratic

Find the sum of all possible positive integer values of b such that the quadratic equation 2x^2 + 15x + b = 0 has rational roots.

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Guest Nov 5, 2021

-1

242

Suppose that $10,121 is invested at an interest rate of % 6.4per year, compounded continuously.

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Guest Nov 5, 2021

200

Quadratic

What is the largest number c such that 2x^2 + 5x + c = -x^2 + 12x + 18 has at least one real solution? Express your answer as a common fraction.

Guest Nov 5, 2021

All Questions ⁺⁰230443 Questions

Let H be the orthocenter of the equilateral triangle . We know the distance between the orthocenters of triangle AHC and triangle BHC

Pls help asap, i'm desperately needing you, i have no idea how to solve this....

Algebra

geometry

Number Theory

Geometry

Geometry

Geometry

Counting problem

Geometry

Probability

Geometry

Module question

help with 3d geometry

PHYSICS pls help quickk

Algebra

Number Theory

Very simple question!!!

Geometry

Find the domain and range of the inverse. Express your answer in interval notation

Geometry

I need help quick

Quadratic

Suppose that $10,121 is invested at an interest rate of % 6.4per year, compounded continuously.

Quadratic

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