All Questions

550

Probability

A spinner has five sectors of equal size. The sectors are labeled 1, 2, 3, 4, and 5. The spinner is spun twice. X is the number of times 3 is spun.

Drag each bar on the horizontal axis to the correct location to create a read more ..

Guest Jun 16, 2018

656

number theory

Suppose $(b_a)^2=71_a$, where $a$ and $b$ represent two distinct digits. If $b=a-1$, find $a$.

●●●

Guest Jun 16, 2018

2128

geometry questiom

From a circular piece of paper with radius $BC$, Jeff removes the unshaded sector shown. Using the larger shaded sector, he joins edge $BC$ to edge $BA$ (without overlap) to form a cone of radius 12 centimeters and of volume $432\pi$ cubic centimeters. read more ..

●

Guest Jun 16, 2018

Jun 15, 2018

767

+50

simplify

what does the expression cot(x)sin(x)csc(x) simplify to?

●

Bobbly Jun 15, 2018

1008

+239

Help plz

An annoyed teacher asked her student to do the following:
(1) Start with the number 12. Go to step (2).
(2) Take the negative of the number reached at the end of the previous step. Go to step (3).
(3) Add 1 to the number reached at the end of the read more ..

●●●

Firewolf Jun 15, 2018

1539

A mathematical prodigy wishes to put 2 of his indistinguishable IMO gold medals and 2 of his indistinguishable IPhO gold medals in one row.

A mathematical prodigy wishes to put 2 of his indistinguishable IMO gold medals and 2 of his indistinguishable IPhO gold medals in one row. How many distinct arrangements are possible?

●

Guest Jun 15, 2018

898

help please

Julie baked cupcakes for her family at home and for a party at school. She iced 4 cupcakes with red frosting, 2 cupcakes with orange frosting, 2 with yellow, 2 with green, 3 with blue and the last 3 with violet frosting. Each cupcake is iced with exactly read more ..

●

Guest Jun 15, 2018

611

A number of stones are evenly spaced around a circle.

A number of stones are evenly spaced around a circle. If the 23rd stone to the right of the red stone is directly opposite of the 57th stone to the right of the red stone, how many stones are in the circle.

Please show me how read more ..

●

Guest Jun 15, 2018

691

Circles

If 468 stones are evenly spaced in a circle then fill in the blank: directly opposite the 37th stone to the right of the red one is the _____ to the right of the red one.

●

Guest Jun 15, 2018

991

What is the sum of the odd numbers from 1 to 387?

●●●●

Guest Jun 15, 2018

1028

+195

Geometry question, emergency!

Let the incircle of triangle ABC be tangent to sides AB, AC, and AB at D, E, and F, respectively. Prove that triangle DEF is acute.
read more ..

●

Maplesnowy Jun 15, 2018

1597

+1378

Analytic Geometry

A triangular region is enclosed by the lines with equations y = 1/2 x + 3, y = -2x + 6 and y = 1. What is the area of the triangular region? Express your answer as a decimal to the nearest hundredth.

Thank you! read more ..

●●●●●

AnonymousConfusedGuy Jun 15, 2018

960

help me ASAP

Rewrite the expression g^4 + 12g^2 + 9 in the form c(g^2 + p)^2 + q. What is q?

●●

Guest Jun 15, 2018

886

Urgent-One Question

Hello everyone, I just have one math question and I'd appreciate it if I could possibly get some help. I also ask that you show your work so that I won't be just 'getting an answer' but rather so that I can understand the process and learn how to solve read more ..

●●●●●

Guest Jun 15, 2018

1178

+655

Calc Help

Eric and Harrison are standing in a field, and Eric is 400 feet directly East of Harrison. Eric starts to walk North at a rate of 4 feet per second, while Harrsion starts to walk South at the same time at a rate of 6 feet per second. After 30 seconds, at read more ..

●●

supermanaccz Jun 15, 2018

2213

hel[p]

A rectangle with height 8 and length 24 is wrapped around a cylinder with height 8. The rectangle perfectly covers the curved surface of the cylinder without overlapping itself at all. What is the volume of the cylinder? My answer was wrong

●

Guest Jun 15, 2018

896

help me please

Suppose (b_a)^2=71_a, where a and b represent two distinct digits. If b=a-1, find a.

●●●●●●●

Guest Jun 15, 2018

842

+50

Simplify

)(500P400)(/500P100))(1/400P300)

●

Bobbly Jun 15, 2018

796

What do I do next?

What is the sum of the values that satisfy the equation ?

I cross multiplied and got: 5x + 10 = x^3 - 2x^2 - 8x.
read more ..

●●●

Guest Jun 15, 2018

1075

+50

HELP

express 16x^(4) -96x^(3)y +216x^(2)y^(2) -216xy^(3) +81y^(4) in the form of (ax+by)^n

●●

Bobbly Jun 15, 2018

Jun 14, 2018

1784

+1246

Help! Please!

If the roots of the quadratic equation $\frac12x^2+99x+c=0$ are $x=-99+\sqrt{8001}$ and $x=-99-\sqrt{8001}$, then what is the value of $c$?

●●●●●

Lightning Jun 14, 2018

2522

+1378

2 Problems

1: The line intersects the circle at A and B. Find the length of chord .

and
read more ..

●●●●●

AnonymousConfusedGuy Jun 14, 2018

All Questions ⁺⁰237760 Questions

Probability

number theory

geometry questiom

simplify

Help plz

A mathematical prodigy wishes to put 2 of his indistinguishable IMO gold medals and 2 of his indistinguishable IPhO gold medals in one row.

help please

A number of stones are evenly spaced around a circle.

Circles

What is the sum of the odd numbers from 1 to 387?

Geometry question, emergency!

Analytic Geometry

help me ASAP

Urgent-One Question

Calc Help

hel[p]

help me please

Simplify

What do I do next?

HELP

Help! Please!

2 Problems

1 Online Users

Top Users

Sticky Topics