All Questions

Guest 4 hours ago

+180

help

Suppose that and are digits in base such that . Find in base .

●

xXxTenTacion 5 hours ago

Jun 17, 2019

+146

Weird exponent Question: help porfavor?

For some reason, the answer 5/3 is not correct... anyone has some thoughts on their answer?

hectictar ●

sudsw12 6 hours ago

HELP!!!!

The sequence 6, -9, x , y is such that the first three terms form an arithmetic sequence and the last three terms form a geometric sequence. Find x and y.

Express answer as (x , y).

GYanggg ●

Guest 6 hours ago

+895

Need Help

On my last question, the first part was answered as an example but I can't figure out how to do the second problem for the life of me. Here's the link: https://web2.0calc.com/questions/rotate-the-axes

●

AdamTaurus 7 hours ago

HELP!

A geometric series has a sum of 180. Assuming that the common ratio of that series is 7/4, find the sum of the series

Guest 7 hours ago

+180

Help Me Please

A number is chosen uniformly at random from among the positive integers less than 10^8. Given that the sum of the digits of the number is 9, what is the probability that the number is prime?

hectictar ●

xXxTenTacion 8 hours ago

-1

Solve

7 sin2x - 14 sin x + 2 = -5

●

Guest 10 hours ago

+25

Word problem

The engine displacement of an automobile is the volume through which the piston moves from high to low position. If an engine has n cylinders, the displacement is D = pi • (bore/2)^2 • stroke • n, where the bore is read more ..

●

cormier123 11 hours ago

Please Help!!!!!

1. Find the value of \[x = 1 + \cfrac{1}{2 + \cfrac{1}{2 + \cfrac{1}{2 + \cfrac{1}{2 + \ddots}}}}.\]

2. If $554_b$ is the base $b$ representation of the square of the number whose base $b$ representation is $24_b,$ then find $b$. read more ..

●●●

Guest Jun 17, 2019 5:01:51 PM

Help

The graph of the equation $y =ax^2 + bx + c$, where $a$, $b$, and $c$ are constants, is a parabola with axis of symmetry $x = -3.$ Find $\frac{b}{a}$.

●

Guest Jun 17, 2019 3:37:20 PM

How to find discriminant for 1x + 11x + 36 = 0?

What will be the discriminant for this equation 1x + 11x + 36 = 0?

●●

Guest Jun 17, 2019 1:14:22 PM

How to find discriminant for 1x + 11x + 36 = 0?

What will be the discriminant for this equation 1x + 11x + 36 = 0?

Guest Jun 17, 2019 1:14:22 PM

help

In right triangle ABC with , we have AB = 6 and BC = 10. Find .

●

Guest Jun 17, 2019 11:54 AM

+99

Help pls...

The solutions to the equation

●

NoobGuest Jun 17, 2019 9:43:35 AM

+99

Halp

How many real numbers are not in the domain of the function

Melody ●

NoobGuest Jun 17, 2019 9:39:50 AM

...

How the heck am i supposed to calculate the actual value of 386 factorial

off-topic

●●

Guest Jun 17, 2019 7:51:06 AM

I am not good with word questions please help me

the water park is a popular field trip destination. falls high filled 2 vans and 9 buses with 383 students. rainy high filled 8 vans and 3 buses with 179 students. find the number of students in each and each bus

●

Guest Jun 17, 2019

+895

Rotate The Axes

Rotate the axes so that the new equation contains no xy-term. Analyze and graph the new equation.

●●●●

AdamTaurus Jun 17, 2019

+99

Guest Posts

The subject of guest posts has been on my mind recently..... so I wanted to ask how many of you like guest posts? and how many of you dont?

off-topic

●●●●●●●

NoobGuest Jun 17, 2019

trig and segment

thank you

hectictar ●

Guest Jun 17, 2019

Jun 16, 2019

+37

Math Help Please

1.) Find the first ten digits after the decimal point in the decimal expansion of $\frac{10}{27}=0.abcdefghij\ldots$
without a calculator.
(Express your answer as a ten-digit number.)

2.) The number $\frac{12}{13}$ can read more ..

●●

Jdaye Jun 16, 2019

+105

Help

Solve for all values of r

●

KeyLimePi Jun 16, 2019

Simplify \[i^1+i^2+i^3+\cdots+ i^{97} + i^{98}+i^{99}.\]

●

Guest Jun 16, 2019

PLEASE HELP

Show that from any five integers, one can always choose three of these integers such that their sum is divisible by 3.

●●●●

Guest Jun 16, 2019

Please help

Suppose a(2+i)^4 + b(2+i)^3 + c(2+i)^2 + b(2+i) + a = 0,where a,b,c are integers whose greatest common divisor is 1. Determine |c|.

●

Guest Jun 16, 2019

help! How to,do efficiently?

123456789^2-2*123456789*123456787+123456787

●●●●●●●

Guest Jun 16, 2019

Help

If we write $\sqrt{5}+\frac{1}{\sqrt{5}} + \sqrt{7} + \frac{1}{\sqrt{7}}$ in the form $\dfrac{a\sqrt{5} + b\sqrt{7}}{c}$ such that $a$, $b$, and $c$ are positive integers and $c$ is as small as possible, then what is $a+b+c$?

●

Guest Jun 16, 2019

+228

Hello I'm having trouble on what to do first with this fractional 1 varible equation's

I'm giving the equation Solve for x: Note that 3/4 and x are rigth next to each other like this 3/4x I had some trouble with the latex this time...

x = _____ Write your answer as a fraction read more ..

●●●●●

HiylinLink Jun 16, 2019

All Questions ⁺⁰150782 Questions

Pls Help ASAP

help

Weird exponent Question: help porfavor?

HELP!!!!

Need Help

HELP!

Help Me Please

Solve

Word problem

Please Help!!!!!

Help

How to find discriminant for 1x + 11x + 36 = 0?

How to find discriminant for 1x + 11x + 36 = 0?

help

Help pls...

Halp

...

I am not good with word questions please help me

Rotate The Axes

Guest Posts

trig and segment

Math Help Please

Help

Simplify \[i^1+i^2+i^3+\cdots+ i^{97} + i^{98}+i^{99}.\]

PLEASE HELP

Please help

help! How to,do efficiently?

Help

Hello I'm having trouble on what to do first with this fractional 1 varible equation's

9 Online Users

Top Users

Sticky Topics