All Questions

548

help

A glass is half full of pure alcohol and another glass twice the volume is one third full. Both glasses are then filled to the top with water and mixed together. What is the fraction of alcohol in the resulting mixture?

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Guest May 19, 2020

598

+51

Geometry

https://ibb.co/kHHT162
We know a theorem about EB,BC,CF?
Thank you

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DimitrisThymaras May 19, 2020

742

AoPS alcumus

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Guest May 19, 2020

505

geometry

What is the total area in blue knowing that the area of the large triangle is 1?

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Guest May 19, 2020

1112

make t the subject of the formula u=7t+30

u=7t+30

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Guest May 19, 2020

513

geometry

In triangle ABC, AB = 6, BC = 4, and AC = 5. The angle bisector of angle B meets AC at P. Find CP.

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Guest May 19, 2020

712

+614

circles

1. consider the circle with center (0,0) that passes through the point (-4,2)
find the radius of the circle
2.considere the circle with equation (x-1)^2+(y+7)^2=29
what is the center of the circle? read more ..

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xxJenny1213xx May 19, 2020

571

please help

This is an old coin in ancient China. There is a square hole in the middle and the length of it is 1 unit ( BC = 1). And AB is 2 unit long. Q: what is the area of the coin?

read more ..

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Guest May 19, 2020

733

+505

Two Questions

1. A reflection maps A to B and B to C. If AB=12, what is AC. I tried this problem before and it isn't 24 FYI.

2. A dilation with scale factor -3 maps X to X' and Y to Y'. Given X'Y' = 2, find XY.

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MobiusLoops May 19, 2020

1283

Can Someone please help

Graphite is made up of layers of graphene. Each layer of graphene is about 200 picometers, or 200 * 10^-12 meters, thick.
How many layers of graphene are there in a 1.6-millimeter-thick piece of graphite? Express read more ..

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thatSaiyan May 19, 2020

440

Help, please.

What is the volume of the oblique cone in the diagram?
read more ..

Guest May 19, 2020

701

The area of a circle is 55.95cm2. Find the length of the radius rounded to 2 DP.

The area of a circle is 55.95cm2.
Find the length of the radius rounded to 2 DP.

off-topic

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Guest May 19, 2020

419

HALP!?

Find constants A, B, C, and D such that Enter the order quadruple

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Guest May 19, 2020

580

help!!!!!

Let v1 = <5, -1> and v2 = <-4, 2>.
Compute v1 + v2, v1 – v2, and v2 – v1.
v1 + v2 =
read more ..

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Guest May 19, 2020

542

pls help

1.Calculate the unit vector for v = <3, 4>
2.Find a vector with length 10 in the same direction of v.

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Guest May 19, 2020

448

PLEASE HELPPP!

Charles plots the point with the polar coordinates (−5,−3π/4). How does he plot this point?

Charles first determines which line the angle of rotation places the point on. This line tells Charles that the point must lie in _____ a read more ..

Guest May 19, 2020

603

please help

Simplify (1 - 1/4)(1 - 1/9)(1 - 1/16) ... (1 - 1/10000).

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Guest May 19, 2020

451

algebra

If x^5 + 2x^3 + ax^2 + b is divisible by x^3 + 1, then find a and b.

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Guest May 19, 2020

856

trig question

Compute

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Guest May 19, 2020

446

help

Find the sum 1 + 2 + 3 + ... + 100. Give a complate explanation.

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Guest May 19, 2020

456

probability

Three fair dice are rolled. Find the probability that the sum of the rolls is 5.

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Guest May 19, 2020

542

trig

Compute cos(pi/12) + sin(pi/12).

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Guest May 19, 2020

413

help

Solve the inequality (x + 3)/(x + 1) >= x.

Guest May 19, 2020

713

Distribution Problem Help

Hi there! I was working on my homework when I came across two particularly difficult problems. Help would be appreciated!

In how many ways can I distribute 6 identical gummy bears and 6 identical chocolates to 4 students, if each read more ..

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Guest May 19, 2020

All Questions ⁺⁰237807 Questions

help

Geometry

AoPS alcumus

geometry

make t the subject of the formula u=7t+30

geometry

circles

please help

Two Questions

Can Someone please help

Help, please.

The area of a circle is 55.95cm2. Find the length of the radius rounded to 2 DP.

HALP!?

help!!!!!

pls help

PLEASE HELPPP!

please help

algebra

trig question

help

probability

trig

help

Distribution Problem Help

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