All Questions +0 230564 Questions

find the value(s) of (cos^-1 (sqrt(2/2)

Guest Dec 18, 2015

484

pre-calculus question of the day

Guest Dec 18, 2015

570

Ava

438219+438219=

john paid $34 for 2 algebra books and three geometry books. he paid $36 for 3 algebra and two geometry books. cost for each book?

Guest Dec 18, 2015

645

quick

Dragonlance ●●●●●

Guest Dec 18, 2015

-1

1152

+363

Hey

if your sale is $89 and you want to back up the tax @ 6%, how do you calculate this?

beababy Dec 18, 2015

508

How do you back up taxes.

Guest Dec 18, 2015

579

Help!! How do u answer this

Y=3/5x+7

a. both children exhibit allergy symptoms?

b. exactly one of the two children exhibit allergy symptoms?
read more ..

Guest Dec 18, 2015

777

Two completely unrelated children exhibit allergy symptoms with respective probabilities of 0.5 and 0.3. What is the probability that on a random day that:

Calculate the maxium height of a firework launched from the ground, if it is set to explode 3 seconds after launch. Here's the equation -16t^2 + 150t + 500 I plug 3 where t= time. Once you plug it in solve the equation which I did, but what can you conclude read more ..

Guest Dec 18, 2015

364

Math

Guest Dec 18, 2015

+25

660

+8581

I just need to say this . . .

Hey, everyone! I need to talk to everyone about this!! They're a ton of bullies EVERY WHERE!! There online, in your class, in your lunch, everywhere.
I recently just saw my best friendd, get bullied at lunch just a few moments ago. People read more ..

The sum of the pips on the top faces is 10 or doubles is rolled?

The sum of the pips on the top faces is 7 or the sum of the pops on the top faces is 10?
read more ..

Hayley1 Dec 18, 2015

1358

I roll a pair of dice. What is the probability that:

what is 11.0 divided by 9.0 then that ronded to the nerest hundereth

Guest Dec 18, 2015

511

AWNSER

she loses at least one game?

she loses all five games?

Guest Dec 18, 2015

889

Erica wins Candy Land 82% of the time. If she plays five games of Candy Land, what is the probability that:

The nth term is n(n+1). What term is 210?

Guest Dec 18, 2015

419

Sequences, Placement

Use Pascal's triangle to expand the binomial.

(d - 5y)^6

Guest Dec 18, 2015

1021

Math Help

Find all the zeros of the equation.

x^4 - 6x^2 - 7x - 6 = 0

Guest Dec 18, 2015

765

Math

Guest Dec 18, 2015

595

3@^1728

the simpsons plan to put a walkway around their pool. the pool dimensions are 12 feet by 20 feet. if the area of the pool and walkway is 308 square feet, what are the dimensions of the walkway?

Guest Dec 18, 2015

551

help

How do you figue out the perimeter of a circle

Guest Dec 18, 2015

680

help

x^2+10x=4

Alan ●●●●●●

Guest Dec 18, 2015

626

+743

hey

●●●●●●●●●●●

julio772 Dec 18, 2015

432

Math

what is 3/4 divided by 1/8

Guest Dec 18, 2015

473

math

Guest Dec 18, 2015

466

math class

negative 35 divided by 7