All Questions ⁺⁰237779 Questions

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136

1

Help me plz

In triangle ABC, angle ACB = 90^\circ. Let H be the foot of the altitude from C to side \overline{AB}.
Prove that (x + h)^2*(y + h)^2 = (a + b)^4.

Guest May 7, 2023

0

147

3

+214

Very Hard Complex Numbers

Let z be a complex number such that . Find all possible values of . Express the answer as an interval.

gb1falcon May 7, 2023

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161

2

Overdue Geometry

In triangle ABC, point X is on side BC such that AX=13,BX=10,CX=4, and the circumcircles of triangles ABX and ACX have the same radius. Find the area of triangle ABC. (Someone else asked the same question a bit ago, but nobody answered read more ..

Guest May 7, 2023

0

152

1

help plz

In the diagram below, P is a point inside square ABCD. Find x.

Guest May 7, 2023

0

134

2

2(sin 15+ sin 75)^2

2(sin 15+ sin 75)^2

Guest May 7, 2023

0

152

1

need help

Five times a number is divided by 7 more than the number. If the result is 0, then what was the original number?

Guest May 7, 2023

0

123

1

+1124

Statistics

Hi friends,
I trust all is well with you...I'm going over some statistical questions with answers, and stumbled upon something that I just do not get, and cannot for the life of me find anything on the net that covers this ....thing...
When read more ..

juriemagic May 7, 2023

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146

1

help

Find all points that are 13 units away from the point (2,7) and that lie on the line x-2y=10.
Write your answer as a list of ordered pairs, separated by commas. If there are no such points, write "none".
Hint(s):
What shape read more ..

Guest May 7, 2023

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147

0

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 7, 2023

May 6, 2023

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140

0

Square

Hello need help with geo
Points X, Y, and Z are on the sides QR , PR, and PQ respectively, of right triangle PQR such that PZXY is a square. If PQ=10 and PR=10, then what is the side length of the square?<read more ..

Guest May 6, 2023

+1

159

2

+50

Tau and Totient Functions

Determine all positive integers n such that .

RonnieChen May 6, 2023

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153

1

Algebra

If I give my brother 5 dollars, then we will have the same amount of money. If instead he gives me 25 dollars, then I'll have twice as much money as he will have. How much money does my brother currently have (in dollars)?

Guest May 6, 2023

0

142

5

HelpPls

In triangle ABC, point X is on side BC such that AX=13,BX=10,CX=4, and the circumcircles of triangles ABX and ACX have the same radius. Find the area of triangle ABC.

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Guest May 6, 2023

0

135

0

Solve

Solve for the variable x in terms of y and z, assuming y \neq \frac{1}{2}:
xy + x = \frac{3x + 2y + z + y + 2z}{3}

Guest May 6, 2023

0

71

2

+63

System of Equations

Find the ordered quintuplet that satisfies the system of equations

youngwolf May 6, 2023

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153

1

math helppp

figure out if the lengths 18 in, 35 in, and 25 in would form a triangle

Guest May 6, 2023

0

151

1

help plz

Pearl writes down seven consecutive integers, and adds them up. The sum of the integers is equal to 21 times the largest of the seven integers. What is the smallest integer that Pearl wrote down?

Guest May 6, 2023

0

160

9

Help, I'm stuck

a) Levans writes a positive fraction in which the numerator and denominator are integers, and the numerator is 2 greater than the denominator. He then writes several more fractions. To make each new fraction, he increases both the numerator and the read more ..

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Guest May 6, 2023

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147

1

Simplify

Simplify the expression ab^2 + 3a^3b - ab^2 + ab^2 - a^3*b - 4a^3b + 2a^3b - ab^2.

Guest May 6, 2023

0

85

1

A deck of cards has cards, red cards numbered - and blue cards numbered - Suppose we shuffle the deck and draw

A deck of cards has 20 cards, red cards numbered 1-10 and blue cards numbered 1-10
Suppose we shuffle the deck and draw the top two cards. What is the probability that they have the same number?

Guest May 6, 2023

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