All Questions

358

help plz

How do you solve for x?

Guest Oct 11, 2020

569

+223

Please help!

https://web2.0calc.com/questions/hello-thx-for-any-help

Noori Oct 11, 2020

710

+223

https://web2.0calc.com/questions/hello-thx-for-any-help

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Noori Oct 11, 2020

475

geometry

The difference of the areas of square XSWZ and square QEZA is 273 square units. Find the area of quadrilateral XSEQ (shaded yellow).

read more ..

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Guest Oct 11, 2020

404

3d geo

What is the volume of the solid?

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Guest Oct 11, 2020

391

counting

How many positive 3-digit odd numbers can be formed using the digits 0, 1, 2, 3, 4, 5, without repetition?

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Guest Oct 11, 2020

336

please help

Simplify (f(x + h) - f(x))/h

Guest Oct 11, 2020

1462

+223

Hello, thx for any help!

Let R be the circle centered at (0,0) with radius 10. The lines x=6 and y=5 divide R into four regions R1, R2, R3 , and R4. Let R_i denote the area of region R_i If R1>R2>R3>R4,
then find R1-R2-R3+R4 read more ..

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Noori Oct 11, 2020

504

geometry

Half of the exterior angles of a polygon are all 10 degrees and the other half are all 20 degrees. How many sides does it have?

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Guest Oct 11, 2020

493

Use the matrices to show that matrix multiplication is associative

Please help, I've no idea how to do this. Thank you so much!!

Guest Oct 11, 2020

517

number theory

Is 9720 a perfect cube ? If not find the smallest number by which it should be divided to get a perfect cube

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Guest Oct 11, 2020

746

+324

Ancient Number Theory Question

Hey, so this is an old, like 2018 old, incorrectly and unanswered question. So I solved it myself. Here is the link to the old post: https://web2.0calc.com/questions/number-theory-help-divisor-arithmetic.

Here is the question: read more ..

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Nacirema Oct 11, 2020

456

help please

Please answer in full.

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Guest Oct 11, 2020

478

+19

Ellipse Geometry Problem

One focus of the ellipse is at There exists a point where such that for any chord that passes through angles and are equal. Find
read more ..

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WarpPrime Oct 11, 2020

519

+19

A Complex Complex Number Problem

Let be distinct complex numbers such that and . Find the maximum value of
.

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WarpPrime Oct 11, 2020

-1

655

pre calculus

4x2+4y2-16x+40y+67=0

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Guest Oct 11, 2020

366

algebra

exploit symmetry to expand the product (x^2 y+y^2 z+z^2 x) (xy^2+yz^2 + zx^2)?

Guest Oct 11, 2020

515

system

Hi, can you please help me solve the simultanious equation with the steps of how to do it.

a^2 + b^2 = 25
3a + b = 5 read more ..

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Guest Oct 11, 2020

510

math problem

A cashier at a store has five dollars in $20 bills if there are six times as many five dollar bills as $20 bills and the total mount of money is $1450 find the number of each bill

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Guest Oct 11, 2020

625

+94

Calculus Problem

If , then =?

Please explain your answer. Thanks in advance!

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RandomUser Oct 11, 2020

515

ANGLES HELP

Calculate the angle marked with the question mark. Do not measure -- the picture is not exact.

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Guest Oct 11, 2020

392

please help

Alex thinks 145 degrees are neat. What is the maximum number of interior angles of a convex n-gon that can have measure 145 degrees?

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Guest Oct 11, 2020

415

geometry

The measures of the angles a 9-gon are in ratio 3 : 1 : 4 : 1 : 3 : 1 : 4 : 1 : 3. What is the number of degrees in the measure of the largest angle?

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Guest Oct 11, 2020

540

+407

Need help please ASAP

N is a four-digit positive integer. Dividing N by 9, the remainder is 5. Dividing N by 7, the remainder is 3. Dividing N by 5, the remainder is 1. What is the smallest possible value of N?

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ss333 Oct 11, 2020

440

geometry

Grogg draws an equiangular polygon with g sides, and Winnie draws an equiangular polygon with w sides, where g < w. If the exterior angle of Grogg's polygon is 1/2 the interior angle of Winnie's polygon, find w.

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Guest Oct 11, 2020

All Questions ⁺⁰237665 Questions

help plz

Please help!

https://web2.0calc.com/questions/hello-thx-for-any-help

geometry

3d geo

counting

please help

Hello, thx for any help!

geometry

Use the matrices to show that matrix multiplication is associative

number theory

Ancient Number Theory Question

help please

Ellipse Geometry Problem

A Complex Complex Number Problem

pre calculus

algebra

system

math problem

Calculus Problem

ANGLES HELP

please help

geometry

Need help please ASAP

geometry

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