All Questions

485

Help please

If you can please show work i want to see how to do

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Guest Jun 17, 2020

447

Help! I really don't understand this!

Find the number of ways to partition S = {1, 2, 3, . . . , 2020} into two disjoint sets A and B with A ∪ B = S so that if you choose an element a from A and an element b from B, a + b is never a multiple of 20. A or B can be the empty set, and the read more ..

Guest Jun 17, 2020

881

+1253

What has this site become...

Ok. I'm going to be honest here.

Back when I joined 1.5 years ago I really enjoyed the site. People were eager to learn and ask questions. The forums were much more active with curious learners and answerers. But now, I read more ..

off-topic

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CoolStuffYT Jun 17, 2020

543

trig

Find the period of the function f(x) = sin(x/2) + sin(x/3).

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Guest Jun 17, 2020

573

need help on this

The real numbers x and y satisfy

xy = 1/9
x(y + 1) = 7/9 read more ..

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Guest Jun 17, 2020

599

number theory

Find the number of positive integers n, 1 <= n <= 100, such that n^3 + 5n^2 is the square of an integer.

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Guest Jun 17, 2020

577

please help

Find the average of all the numbers from 1 to 100, where the final digit is an odd prime number.

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Guest Jun 17, 2020

629

please help when you can

Alina is able to swim at a rate of about 2.5 miles per hour. Talia is able to swim at a rate of 1.8 meters per second. Which statement comparing the two swimmers is accurate?

1 mile 1,609 meters

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slimetimeandmath Jun 17, 2020

510

Geometry Problem

Hi everyone! I am new to this website and I need a bit of help with this problem. I do not need you to answer the problem for me, just walk me through a few steps/hints and I will try to solve it on my own.
In triangle ABC, AB = AC, and angle read more ..

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Guest Jun 17, 2020

647

help

In triangle XYZ, XY = XZ. W is on side XZ so that XW = WY = YZ. Find angle XYW.

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Guest Jun 17, 2020

747

QUICK HELP PLZ

1. triangle ABC and triangle DEF are not similar, and they satisfy the following conditions:
• AB > DE
• BC > EF
• AC > DF read more ..

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Guest Jun 17, 2020

523

+71

Another one

In the circle above, RV and SW are chords that intersect at point T.
If ST = 10 ft, TV = 20 ft, and TW = 30 ft, what is read more ..

Mr.CoolPro Jun 17, 2020

582

help quick due tmrw

1. A circle has equation (x − 2)2 + (y + 3)2 = 4 and a line has equation 5y − 4x + 20 = 0.
(a) What is the distance from the center of the circle to the line?

(b) What is the greatest distance from a point on the read more ..

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Guest Jun 17, 2020

754

+71

Help Anyone

Holly is taking a multiple-choice reading test. She has decided to guess on questions 3 and 7. On each question, there are four worded choices plus an "all of these" choice and a "none of these" choice. What is the probability that she answers question read more ..

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Mr.CoolPro Jun 17, 2020

438

help

When 100 is divided by 12, the remainder is 4.
When 100 is divided by a positive integer x, the remainder is 10.
When 1000 is divided by x, the remainder is what?

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Guest Jun 17, 2020

-1

567

+866

uhh i need some help...

Suppose that
What is the maximum possible value of |a - n|?

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AnimalMaster Jun 17, 2020

541

help quick plz tysm

1. What is the total surface area of this prism?

2. The symmetrical decahedron shown has a two-inch-by-two-inch square as its top face and its bottom face. The isosceles read more ..

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Guest Jun 17, 2020

463

PLEASE ANSWER QUICKLY

what is the smallest positive integer t that there exists integers x1,x2,.....,xt with
x1^3+x2^3+.....xt^3=2002^2002

off-topic

Guest Jun 17, 2020

-1

997

+866

im stuck...

What is the simplified numerical value of if ?

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AnimalMaster Jun 17, 2020

798

+781

Stuck on this.

In triangle ABC, the angle bisector of meets at D, such that AD = AB. Line segment is extended to E, such that CD = CE and . Show that triangle ACE is isosceles.

read more ..

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gwenspooner85 Jun 17, 2020

433

Please answer quick

what is the smallest positive integer t that there exists integers x1,x2,.....,xt with
x1^3+x2^3+.....xt^3=2002^2002

off-topic

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Guest Jun 17, 2020

734

Science

What is the power rating of an electric motor that is capable of doing 150 600 J of work in 30 s?

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Guest Jun 17, 2020

581

ANSWER QUICK

What is the smallest positive integer such that there exist integers with

off-topic

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Guest Jun 17, 2020

520

multiple choiceeeee :) help

If the total cost is C (x) = x2100-10x + 18, its minimum value exists for:
Select one:
a. x=100
b. x = 1000
c. x=500

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Guest Jun 17, 2020

All Questions ⁺⁰237665 Questions

Help please

Help! I really don't understand this!

What has this site become...

trig

need help on this

number theory

please help

please help when you can

Geometry Problem

help

QUICK HELP PLZ

Another one

help quick due tmrw

Help Anyone

help

uhh i need some help...

help quick plz tysm

PLEASE ANSWER QUICKLY

im stuck...

Stuck on this.

Please answer quick

Science

ANSWER QUICK

multiple choiceeeee :) help

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