All Questions

601

counting problem

Each point in the hexagonal lattice shown is one unit from its nearest neighbor. How many equilateral triangles have all three vertices in the lattice?

read more ..

catmg ●

Guest Feb 12, 2021

666

AoPS Questions Posted Here

I am absolutely disgusted by the fact that most of the problems on this site are from the math website AoPS (Art Of Problem Solving). From the badly formatted LaTeX and the leftover Asymptote code, not to mention the identical text, it is absolutely clear read more ..

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Guest Feb 12, 2021

510

algebra

A red car and a blue car are traveling at the same speed. The red car drives 4 hours. The blue car drives an additional 45 minutes and goes 21 more miles than the red car. How fast are the cars going?

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Guest Feb 12, 2021

483

number problem

What is the largest number, all of whose digits are 3 or 2 or 1, and whose digits add up to 11?

CalTheGreat ●

Guest Feb 12, 2021

533

+108

Contributor Help

Hey fellow contributors! I hope this post finds you all well and safe during this time. I recently encountered a Guest who merely wanted to use the forum as a means of getting a free pass out of homework (or that is at least what I assumed). You can find read more ..

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BasicMaths Feb 12, 2021

474

help geo

In triangle BCD, angle C = 90 degrees, CD = 3, and BD = sqrt(17) . What is tan B?

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Guest Feb 12, 2021

582

Factoring need this ASAP

Before using Ax^2+bx+c, two other types of factoring should be tested.

A) Explain how these two types may simplify your work.
read more ..

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Guest Feb 12, 2021

585

Thank you!

(This is off-topic... Sorry I couldn't find the option to post it as an off-topic question)

Just wanted to come back here after graduating high school in 2020 and say a big thank you to everyone that has helped me throughout the years. read more ..

off-topic

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Guest Feb 12, 2021

478

solve for t

Find all values of t such that 6t - 2/3 + t/5 = 8 + (2 - t)/3
If you find more than one answer, enter every answer you find as list separated by commas.

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Guest Feb 12, 2021

1027

How many zeros are at the end of (100!)(200!)(300!) when multiplied out?

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Guest Feb 12, 2021

785

Help

an octahedron consists of two square-based pyramids glued together along their square bases to form a polyhedron with eight faces. Imagine an ant that begins at the top vertex and walks to one of the four adjacent vertices that he randomly selects and calls read more ..

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Guest Feb 12, 2021

Feb 11, 2021

353

investment

An investment of $10,000 is made in a government bond that will pay 6% interest compounded quarterly. At the end of five years, what is the total number of dollars in this investment? Express your answer to the nearest whole number.

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Guest Feb 11, 2021

628

+71

Please help no one every responds now :(

Peter purchased a pentagonal pen for his puppy Piper. Now Peter wants to decorate the new pen for Piper, and he would like to paint each side of the pen either red, green, or blue so that each wall is a solid color.
(Pentagon here with top vertex is read more ..

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MathSolverForLYFE Feb 11, 2021

345

quadratic

The equation y = -6t^2 - 5t + 56 describes the height (in feet) of a ball thrown downward at 5 feet per second from a height of 56 feet from the surface from Mars. In how many seconds will the ball hit the ground? Express your answer as a decimal rounded read more ..

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Guest Feb 11, 2021

374

stuck!

Kirsty needs to hire a plumber to fix her house. The plumber charges dollars for every hour of labor and dollars for equipment. If the plumber works for hours, how many dollars (in base ten) will Kirsty owe the plumber? read more ..

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Guest Feb 11, 2021

404

hyperbola

Convert the equation 6x^2 - 3y^2 + 12x - 18y - 8 = 0 to the standard form of a hyperbola.

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Guest Feb 11, 2021

308

can someone help

Three sides of a triangle measures 12 cm, 18 cm and 10 cm. Find the altitude of the longest side, the median of the longest side, the length of angle bisector of the largest angle and the line segment joining the midpoints of 12 cm and 18 cm sides. read more ..

Guest Feb 11, 2021

514

HELP!!!

1) In how many ways can I choose 4 different officers (President, Vice President, Treasurer, and Secretary) from a club of 9 people?

2) There are twice as many students in the cooking club as in the drama club. Suppose there read more ..

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Guest Feb 11, 2021

517

compute the sum

Compute the sum 101^2 - 97^2 + 93^2 - 89^2.

ChowMein ●●

Guest Feb 11, 2021

306

halppppp

Monic quadratic polynomial P(x) and Q(x) have the property that P(Q(x)) has zeros at x=-23, -21, -17, and -15, and Q(P(x)) has zeros at x=-59,-57,-51 and -49. What is the sum of the minimum values of P(x) and Q(x)?

Guest Feb 11, 2021

431

angle bisectors

In triangle ABC angle bisectors AD, BE, and CF meet at I. If DI = 3, BD = 4, and BI = 5, then compute the area of triangle ABC.

Is there a way to solve this using angle bisectors instead of the Law read more ..

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Guest Feb 11, 2021

498

Factoring Questions

1. 72n^2 + 570n + 875
2. 300p^2 - 595p + 294

I was told I was supposed to use a "5-step method" to solve these but I don't remember what it was other than the first step: a/2 read more ..

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Guest Feb 11, 2021

514

I need help!

Pls some1 help me on 4th grade work who wanna do all my missing assignments

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Guest Feb 11, 2021

529

help geometry

Quadrilateral PQRS is a trapezoid with bases PQ and RS. The median MN meets the diagonals PQ and RS at X and Y, respectively. If SR=20 and XY=5, find PQ.

read more ..

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Guest Feb 11, 2021

All Questions ⁺⁰237641 Questions

counting problem

AoPS Questions Posted Here

algebra

number problem

Contributor Help

help geo

Factoring need this ASAP

Thank you!

solve for t

How many zeros are at the end of (100!)(200!)(300!) when multiplied out?

Help

investment

Please help no one every responds now :(

quadratic

stuck!

hyperbola

can someone help

HELP!!!

compute the sum

halppppp

angle bisectors

Factoring Questions

I need help!

help geometry

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