All Questions

545

+81

Hepl me quick

You have 5 red shirts, 5 green shirts, 6 pairs of pants, 8 green hats and 8 red hats, all of which are distinct. How many outfits can you make consisting of one shirt, one pair of pants, and one hat without having the same color read more ..

●

IMAGODLYNOOB Jun 25, 2021

445

Algebra

Find all solutions to the equation x^2 + 29 = 10x + 3.

●●

Guest Jun 25, 2021

440

Help geometry

A sector of a circle has a central angle of 100. If the area of the sector is 250\pi, what is the radius of the circle?

●●

Guest Jun 25, 2021

466

Algebra

Find a monic cubic polynomial P(x) with integer coefficients such that $P(\sqrt[3]{4} + 1) = 0$ . (A polynomial is monic if its leading coefficient is 1.)

●

Guest Jun 25, 2021

502

integral by substitution

\int \frac{sin^2\theta \:cos\theta }{\sqrt{1+sin\theta }}

●●●●●●●●●●

Guest Jun 25, 2021

483

ExTrA hArD ChALLeNge iNvoLvinG dOt ProDUcTS

Let "a" and "b" be two vectors such that neither of a-b and a+b is the zero vector.
(a) Prove that if the vectors a and b are of equal length, then a-b and a+b are perpendicular.
(b) Prove that if a-b and a+b are perpendicular, then a and b are read more ..

●●●●

Guest Jun 25, 2021

452

HeLP WiTh VeCtOrS pLeAsE uRgeNT ! ! ! ! !

Let "a" be a vector of length 2, and let "b" and "c" be vectors such that
Enter in the numbers
below, in the order listed above. If any of these cannot be uniquely determined from the information given, answer with a question read more ..

●●●●

Guest Jun 25, 2021

427

Algebra

Let r and s be the roots of x^2 - 6x - 2 = 0. Find (r - s)^2.

●

Guest Jun 25, 2021

468

Algebra

The quadratic equation 2x^2 + bx + 82 has a double root. Find all possible values of b.

●

Guest Jun 25, 2021

527

help with proof im stuck

Prove that 5^{n^3} +1 is divisible by 3^{n+1} for all nonnegative integers

pls help
read more ..

●

Guest Jun 25, 2021

425

Algebra

Find all solutions to the equation 6x^2 - 31x + 46 = 0. If you find more than one, then list the values separated by commas. If the solutions are not real, then they should be written in a + bi form.

●

Guest Jun 25, 2021

Jun 24, 2021

415

Algebra

Find all solutions to the equation x^2 - 7x = 38. If you find more than one, then list the values separated by commas.

●

Guest Jun 24, 2021

423

help ;C

Can i have a little help with this? How do i estimate to the tenths?

●

Guest Jun 24, 2021

416

Counting question

How many ways are there to put 4 distinguishable balls into 3 distinguishable boxes?

●

Guest Jun 24, 2021

409

need help

Paul Picasso painted one-fourth of a house. His friend Monty Monet continued painting the house for eight hours and two-fifths of the house was done. What part of the house can Monty paint in an hour? Express your answer as a common fraction.

●

Guest Jun 24, 2021

1532

Sorry this is a long one, I really need help though.

Based on a poll of 1000 residents, a newspaper article claims that 62% of the residents in town favor the development of a recreational park on the west side of town. A community action group interested in preserving the environment claims that 45% of the read more ..

UsernameTooShort ●

Guest Jun 24, 2021

595

need answer asap

Sloan the sloth crawls at 100 meters per hour when crawling uphill, 120 meters per hour when crawling across flat ground, and 150 meters per hour when crawling downhill. One day, Sloan crawls across the forest floor from a tree stump to a spring, and read more ..

●

Guest Jun 24, 2021

455

Solid geometry

A solid right prism has a height of 16 as shown. Also, its bases are equilateral triangles with side length 12. Points X Y Z and are the midpoints of edges AC, BC, DC respectively. A part of the prism above is read more ..

●

Guest Jun 24, 2021

463

geometry

In triangle ABC, AB = AC = 25 and BC = 20. Points D, E and F are on sides AB, BC and AC respectively, such that DE and EF are parallel to AC and AB respectively. What is the perimeter of parallelogram ADEF?

read more ..

UsernameTooShort ●●●

Guest Jun 24, 2021

441

Complex Numbers

Find all complex numbers z such that z^2 = 2i + 2.

●

Guest Jun 24, 2021

473

+25

Please help

Please help me with the question
Please help!!!!

●

iboeshak Jun 24, 2021

454

Pyramid

How high would a pyramid be using 320 million one meter cubes

●

Guest Jun 24, 2021

409

help plz

A segment with endpoints at A(2,-2) and B(14,4) is extended through to point C. If BC = 1/8*AB, what are the coordinates for point C? Express your answer as an ordered pair.

●

Guest Jun 24, 2021

609

Help Needed Quickly

Find the unique triple $(x,y,z)$ of positive integers such that $x

Please help fast and thanks in advance.

●●●●

Guest Jun 24, 2021

907

Help please...

The average number of employees that call in sick for the day over the course of a year is 25.
The number of employees that call in sick on 12 days are
25, 10, 16, 39, 27, 25, 32, 25, 25, 22, 28, and 14.
read more ..

●

Guest Jun 24, 2021

All Questions ⁺⁰237665 Questions

Hepl me quick

Algebra

Help geometry

Algebra

integral by substitution

ExTrA hArD ChALLeNge iNvoLvinG dOt ProDUcTS

HeLP WiTh VeCtOrS pLeAsE uRgeNT ! ! ! ! !

Algebra

Algebra

help with proof im stuck

Algebra

Algebra

help ;C

Counting question

need help

Sorry this is a long one, I really need help though.

need answer asap

Solid geometry

geometry

Complex Numbers

Please help

Pyramid

help plz

Help Needed Quickly

Help please...

2 Online Users

Top Users

Sticky Topics