All Questions

-2

1005

+71

Complete a triangle proof (show work)

Complete a triangle proof given that AB is parallel to DE and B is parallel to E and prove that ABC is parallel to DEC.
(the shape look like a bowtie with the C point connecting the two triangles).

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Mathrules Jul 5, 2018

1066

HELP PLZ

How many ways are there to put 6 balls in 3 boxes if the balls are not distinguishable but the boxes are?

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Guest Jul 5, 2018

1735

+541

help

GIven the system of equations,
xy= 6 - 2x - 3y
yz= 6 - 4y - 2z
xz= 30 - 4x - 3z
find the positive solution for x

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xXxTenTacion Jul 5, 2018

792

Geometry Help.

Let ABCD be a convex quadrilateral, and let M and N be the midpoints of sides AD and BC, respectively. Prove that MN <= (AB + CD)/2. When does equality occur? Thanks for any help in advance.

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penguin10293 Jul 5, 2018

1208

+65

PLS HELP

Find all values of x that satisfy the equation
.

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Dr.Amione Jul 5, 2018

996

+65

pls help

Find all real numbers that satisfy the equation below:
:

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Dr.Amione Jul 5, 2018

1130

Geometry

The cube below has sides of length 4 feet. If a cylindrical section of radius 2 feet is removed from the solid, what is the total remaining volume of the cube? Express your answer in cubic feet in terms of pi
. read more ..

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Guest Jul 5, 2018

-1

1437

Math Problem

A right cone has a base with a circumference of $16\pi$ inches and a height of 30 inches. The height of this cone is reduced while the circumference stays the same. The volume of the shorter cone is $192\pi$ cubic inches. What is the ratio of the shorter read more ..

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Guest Jul 5, 2018

871

Geometry Question

Trapezoid ABCD has vertices A(-1,0), B(0,4), C(m,4) and D(k,0), with m>0 and k>0. The line y = -x + 4 is perpendicular to the line containing side CD, and the area of trapezoid ABCD is 34 square units. What is the value of k?

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Guest Jul 5, 2018

1248

algebra

How many integers satisfy the inequality x(3x-4)<=6x^2-3x+5 divided by 10 ?

read more ..

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Guest Jul 5, 2018

761

Algebra

Find the value of b in -x^2+bx-5<0 where x is element (-infinity,1) (1, infinity)?

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Guest Jul 5, 2018

Jul 4, 2018

1005

+537

HELP.... Probability!

Two different numbers are selected simultaneously and at random from the set {1, 2, 3, 4, 5, 6, 7}. What is the probability that the positive difference between the two numbers is 2 or greater? Express your answer as a common fraction.
<read more ..

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MathCuber Jul 4, 2018

858

+541

help plz

A painting with dimensions 10 inches by 14 inches is placed in a picture frame (of constant width), increasing its area to 221 square inches. How many inches is the width of the picture frame?

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xXxTenTacion Jul 4, 2018

1334

If c is a constant such that x 2 + 25x + c is equal to the square of a binomial, then what is c?

If c is a constant such that x2 + 25x + c is equal to the square of a binomial, then what is c?

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Guest Jul 4, 2018

2794

[Calculus I] Area under the curve word problem

Hello there. I really need help solving this problem. I have no idea what I'm doing. The question reads:
A two-day environmental clean up started at 9AM on the first day. The number of workers fluctuated as shown in the figure.
Suppose read more ..

nooobydooby Jul 4, 2018

625

+541

A mathematician works for t hours per day and solves p problems per hour, where t and p are positive integers and 1

A mathematician works for $t$ hours per day and solves $p$ problems per hour, where $t$ and $p$ are positive integers and $1

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xXxTenTacion Jul 4, 2018

599

+99

How do i solve this?

Thanl you

bigguy1989 Jul 4, 2018

627

+99

How do i solve this?

Thank you

bigguy1989 Jul 4, 2018

687

+99

Which one are True/False

I have True, False, True, True, True, True, True

bigguy1989 Jul 4, 2018

585

I’ve always wondered. Does England have a 4th of July?

off-topic

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Guest Jul 4, 2018

596

dividing fractions

a stretch of highway that is 12 1/4 kilometers has speed limit signs every 7/8 of a kilometer

read more ..

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Guest Jul 4, 2018

1080

+82

Urgent Question. HELP! thanks!

Problem
Suppose and are integers. How many solutions are there to the equation

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HelpPls Jul 4, 2018

1098

+1378

Anybody?

https://web2.0calc.com/questions/let-denote-the-circular-region-bounded-by-x-2-y-2

:?

AnonymousConfusedGuy Jul 4, 2018

2002

+541

Help plz

My friend and I both have the same math homework one day. I work at a rate of p problems per hour and it takes me t hours to finish my homework. My friend works at a rate of 2p-4 problems per hour and it only takes him t-2 hours to finish read more ..

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xXxTenTacion Jul 4, 2018

588

+541

Question

Find all values of y which DO NOT satisfy

1≤4-3y<10
read more ..

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xXxTenTacion Jul 4, 2018

All Questions ⁺⁰237665 Questions

Complete a triangle proof (show work)

HELP PLZ

help

Geometry Help.

PLS HELP

pls help

Geometry

Math Problem

Geometry Question

algebra

Algebra

HELP.... Probability!

help plz

If c is a constant such that x 2 + 25x + c is equal to the square of a binomial, then what is c?

[Calculus I] Area under the curve word problem

A mathematician works for t hours per day and solves p problems per hour, where t and p are positive integers and 1

How do i solve this?

How do i solve this?

Which one are True/False

I’ve always wondered. Does England have a 4th of July?

dividing fractions

Urgent Question. HELP! thanks!

Anybody?

Help plz

Question

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