All Questions

779

+224

Trig

A tall pole is constructed in a flat parking lot; the pole stands straight up and forms a right angle with the ground. The pole casts a shadow, as shown below. The length of the shadow is 12 feet. Find the height of the pole, to the nearest foot. You may read more ..

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envoy Aug 4, 2020

1115

+738

Number Theory Help!

If a 7-digit number 13ab45c is divisible by 792, what is b?

Thank you so much to anyone who helps!!!

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lokiisnotdead Aug 4, 2020

767

Fun counting problem, but help

How many sets of distinct odd positive integers have a sum of 16?

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Guest Aug 4, 2020

585

algebra question

Find the coefficient of third term of (2x−1)^6.

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Guest Aug 4, 2020

Aug 3, 2020

638

Algebra Equation

Hello I am having some trouble with solving the following equation:

I have simplified the equation to read more ..

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Guest Aug 3, 2020

537

solve an equation

Find the roots of x^4 + x^2 + 1 = 0. Write each complex root in the form a + bi.

Can anyone help?

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Guest Aug 3, 2020

719

+335

Halp

Find all pairs $(x,y)$ of real numbers such that $x + y = 10$ and $x^2 + y^2 = 56$.

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Rayjplayz Aug 3, 2020

709

+81

hi help again ;(

How many positive integers less than or equal to 10,000 are divisible by 2, 5 or 10?

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toodlestraws Aug 3, 2020

696

The length of the segment between the points (2a, a-4) and (4, -1) is units. What is the product of all possible values for a?

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Guest Aug 3, 2020

589

Algebra

How do I handle square roots of negative numbers?

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Guest Aug 3, 2020

608

please help!

Find the measure of angle 4.

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Guest Aug 3, 2020

539

halp plz

If a, b, c are non-negative integers less than 7 such that
FInd the remainder when abc is divided by 7

I dunno how to do this question elimination didn't work at all read more ..

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Guest Aug 3, 2020

569

geometry problem

Find the range of all possible values of x. How do you do this?

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Guest Aug 3, 2020

555

help with coordinates

What is the area of a polygon with vertices of (–2, –4), (4, –4), (4, 4), and (–5, 5)?

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Guest Aug 3, 2020

845

+81

plss help!!

Suppose that a and b are digits, not both nine and not both zero, and the repeating decimal 0.abababab..... is expressed as a fraction in lowest terms. How many different denominators are possible?

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toodlestraws Aug 3, 2020

605

trapezoid

This isosceles trapezoid has an area of 36*sqrt(3), with diagonals intersecting at a 120∘ angle. How long is each diagonal?

read more ..

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Guest Aug 3, 2020

987

geometry

Find angle MON.

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Guest Aug 3, 2020

1558

How ya solve this...

in triangle ABC, AB = AC and D is a point on line AC so that line BD bisects angle ABC. if BD = BC what is the measure, in degrees, of angle A?

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Guest Aug 3, 2020

677

how to solve!

Please explain how to solve, with steps.

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Guest Aug 3, 2020

536

algebra help needed

Which expression is equivalent to

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Guest Aug 3, 2020

1096

The graphs of $y=3-x^2+x^3$ and $y=1+x^2+x^3$ intersect in multiple points. Find the maximum difference between the $y$-coordinates of these

The graphs of y=3-x^2+x^3 and $y=1+x^2+x^3$ intersect in multiple points. Find the maximum difference between the -coordinates of these intersection points.

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Guest Aug 3, 2020

588

+980

Help

https://web2.0calc.com/questions/thanks-for-any-and-all-help Can sombody answer this please?

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qwertyzz Aug 3, 2020

692

probability

Suppose that two.integers from the set of 8 integrs {1,2,3....8} are chosen at random. Find the probability that i. both numbers match. ii. Sun of the two numbers picked is less than 4?

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Guest Aug 3, 2020

715

urgent math question needs answering!!

Plz help urgent! A 5x5x5 cube is formed by assembling 125 unit cubes. Nine unit squares are painted on each of the six faces of the cube according to the pattern shown. How many of the 125 unit cubes have no paint on them?

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Guest Aug 3, 2020

608

Cryptography

Period - the period of the substitution cipher is the number of times that must be applied before the original message is returned.

What are the periods of ROT-n for each possible value for n?

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Guest Aug 3, 2020

All Questions ⁺⁰237665 Questions

Trig

Number Theory Help!

Fun counting problem, but help

algebra question

Algebra Equation

solve an equation

Halp

hi help again ;(

The length of the segment between the points (2a, a-4) and (4, -1) is units. What is the product of all possible values for a?

Algebra

please help!

halp plz

geometry problem

help with coordinates

plss help!!

trapezoid

geometry

How ya solve this...

how to solve!

algebra help needed

The graphs of $y=3-x^2+x^3$ and $y=1+x^2+x^3$ intersect in multiple points. Find the maximum difference between the $y$-coordinates of these

Help

probability

urgent math question needs answering!!

Cryptography

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