All Questions

461

Algebra stuff

The circle $2x^2 = -2y^2 + 12x - 4y + 20$ is inscribed inside a square which has a pair of sides parallel to the x-axis. What is the area of the square?

●

Guest Feb 11, 2020

423

Help now plzzz

Simplify $\frac{2\sqrt[3]9}{1 + \sqrt[3]3 + \sqrt[3]9}.$

●

Guest Feb 11, 2020

617

trying to figure out the answer

(-7)+(+3)-[(-5)/(-1)]+(-13)-(+5)

●

Guest Feb 11, 2020

462

How to solve?

The parabola has the equation y = ax^2 + bx + c.

Find a+b+c. read more ..

●●

Guest Feb 11, 2020

-1

716

+208

math

Solve the formula
I = Prt
for the Principal, P, when
I = $3,940, read more ..

●●

monkeyree1124 Feb 11, 2020

498

help

At tiger ridge high school 75 students are enrolled in athletic course. 37 of the students we are on the baseball team, 26 of the students we’re on the football team and 24 are not on any sports team.

1. what is the probability that read more ..

●

Guest Feb 11, 2020

868

+304

I think I can use modulos, but I'm not sure how to start.

Let be a nonconstant polynomial, where all the coefficients are nonnegative integers. Prove that there exist infinitely many positive integers such that is composite.

Hint that I got: Remember read more ..

●●

DragonLord Feb 11, 2020

1591

please help

Raymond bought a car for $40,000. He took a 20,000 loan from a bank at an interest rate of 15% per year for a 3-year period. What is the total amount of (interest and loan) that he would have to pay the bank at the end of 3 years

●

Guest Feb 11, 2020

425

Help me

Cos-1(63/10

●

Guest Feb 11, 2020

586

help

Fifteen telephones have just been received at an authorized service center. Five of these telephones are cellular, five are cordless, and the other five are corded phones. Suppose that these components are randomly allocated the numbers 1, 2, ……15 to establish read more ..

Guest Feb 11, 2020

Feb 10, 2020

886

+304

Algebra 2 polynomial

A polynomial with integer coefficients is of the form

Find the number of different possible rational roots of this polynomial.
read more ..

●●●●●●

DragonLord Feb 10, 2020

686

help

Find the probability of randomly selecting a red, then a green marble from a bag of 5 red, 8 green, and 3 blue marbles when (a) you replace the first marble before drawing the second, and (b) you do not replace the first marble. Then, compare the probabilities. read more ..

●

Guest Feb 10, 2020

850

help

On a summer day in Cape Cod, the depth of the water at a dock was 4ft at low tide at 2:00 AM. At high tide 5 hours later, the heist of the water at the dock rose to 14 feet. Write a cosine function to model the height of the water at the dock x hours after read more ..

●●

Guest Feb 10, 2020

740

help

A survey of 1108 employees at a software company finds that 621 employees take a bus to work and 445 employees take a train to work. Some employees take both a bus and a train and 321 employees take only a train. To the nearest percent find the probability read more ..

●

Guest Feb 10, 2020

448

help

Rosa and leann are working on a group English assignment. They each write one essay alone and then one essay together. Leann takes 6 hours longer than rosa to write her individual essay. Writing at the same rate, they complete their combined essay in 4 read more ..

●

Guest Feb 10, 2020

1424

Halp

The red parabola shown is the graph of the equation $y=ax^2 + bx + c$. Find $a\cdot b\cdot c$.

●●●

Guest Feb 10, 2020

911

help

Sloppy Joe has lots of socks but not all have matching pairs. He has 5 blue socks, 7 red socks, 3 white socks, and 4 green socks. It's early in the morning and dark and he doesn't want to turn on the light and wake his wife. When he randomly picks two socks read more ..

geno3141 ●

Guest Feb 10, 2020

430

help

A, B, and C are collinear, and B is between A and C. The ratio of AB to BC is 3 : 1.
If A is at (-7,3) and B is at (-1,0), what are the coordinates of point C?

●

Guest Feb 10, 2020

1305

help

In right triangle ABC with the right angle at vertex A, altitude AE is drawn from vertex A to hypotenuse BC, AE = 21, and CE = 20. Find the length of BC. Round your answer to the nearest hundredth.

●●●

Guest Feb 10, 2020

724

+309

Help with one more...

Please help...

help

There are two rubber ducks on the counter. If you take two of them, how many rubber ducks do you have?
needGod.com

●●●●●●

Guest Feb 10, 2020

-1

1260

+318

Pre Calc

A pool measuring 18 meters by 22 meters is surrounded by a path of uniform width. If the area of the pool and the path combined is 896 square meters, what is the width of the path?

●

mharrigan920 Feb 10, 2020

691

+318

Pre Calc

Two cars start out together from the same place. They travel in opposite directions, with one of them traveling
10 miles per hour faster than the other. After two hours, they are 280 miles apart. How fast is each car traveling?
The slower read more ..

ElectricPavlov ●

mharrigan920 Feb 10, 2020

-1

842

+318

Pre Calc

A motorboat is capable of traveling at a speed of
15
miles per hour in still water. On a particular day, it took
15 read more ..

●

mharrigan920 Feb 10, 2020

All Questions ⁺⁰231085 Questions

Algebra stuff

Help now plzzz

trying to figure out the answer

How to solve?

math

help

I think I can use modulos, but I'm not sure how to start.

please help

Help me

help

Algebra 2 polynomial

help

help

help

help

Halp

help

help

help

Help with one more...

Please help...

help

Pre Calc

Pre Calc

Pre Calc

3 Online Users

Top Users

Sticky Topics