All Questions ⁺⁰237665 Questions

0

1361

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+11912

good morning everyone!

if a + bi = p + i / 2q - i , prove that a^2 + b^2 = ( p^2 + 1 ) /4q^2 + 1.

thanks in advance!

Melody ●●●●●

rosala Jan 23, 2018

0

1144

3

Help PLEASEEEE

I need help with D please, I think i am putting in the interest formula wrong...

i think its =20000(or cell #)*((0.0435/2+1)^(2*4)-1)
read more ..

Guest Jan 23, 2018

0

4523

2

+63

A palindrome is a positive integer which reads the same forward and backwards, like 12321 or 8448.

A palindrome is a positive integer which reads the same forward and backwards, like 12321 or 8448.
(or like

LOL314jnl Jan 23, 2018

0

768

2

:)?

the latus rec tum of parabola with equation (x-1)^2 = -16(y-4) coincides with the diameter of a circle. find equation of circle?

Guest Jan 23, 2018

0

1246

1

If $t$ is a real number, what is the maximum possible value of the expression $-t^2 + 8t -4$?

If $t$ is a real number, what is the maximum possible value of the expression $-t^2 + 8t -4$?

Guest Jan 23, 2018

0

1003

1

What real value of $t$ produces the smallest value of the quadratic $t^2 -9t - 36$?

What real value of $t$ produces the smallest value of the quadratic $t^2 -9t - 36$?

Guest Jan 23, 2018

0

807

2

help?

The store owner gave a 35 percent discount, yet they still had to pay $247 dollars for the camera. What was the orginal price of the camera?

Guest Jan 23, 2018

0

1

4635

3

Help pls

Consider all the points in the plane that solve the equation x^2 + 2y^2 = 16. Find the maximum value of the product xy on this graph. (This graph is an example of an "ellipse".)

Guest Jan 23, 2018

+2

1342

8

+4623

A question for CPhill

Let be an arithmetic sequence. If , what is ?

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tertre Jan 23, 2018

+1

2036

1

Help

George has a quadratic of the form $x^2+bx+\frac13$, where $b$ is a specific negative number. Using his knowledge of how to complete the square, George is able to rewrite this quadratic in the form $(x+m)^2+\frac{1}{12}$. What is $b$?

Guest Jan 23, 2018

+1

1365

1

Help me

For two real values of $n$, the equation $4x^2+nx+25=0$ has exactly one solution in $x$. What is the positive value of $n$?

Guest Jan 23, 2018

+1

1

1284

2

+101

A question for you

j(x)=2x-3

what it
and what would be read more ..

dom6547 Jan 23, 2018

+1

1368

3

+895

Trigonometric Functions

Determine the sign (+ or -) of each expression WITHOUT using a calculator.
a)
b)
c) read more ..

AdamTaurus Jan 23, 2018

+2

1079

2

+55

A Second Introduction

Hello. A couple of you might remember me by my previous username: GenericUsernameHere. I posted a few questions and answers back in 2014-2016. I haven't used the site in a long time and I figured I wanted to make a more up to date account with a new read more ..

off-topic

Cent0rea88 Jan 23, 2018

+1

1221

1

+895

Co-Terminal Angles

Find one angle that is NOT co-terminal with the others listed.
a)
b)

ElectricPavlov ●

AdamTaurus Jan 23, 2018

+1

1083

2

+55

Need help with physics math.

A student weighing 65 kg moving at 1.5 m/s runs into a student at rest weighing 45 kg. Rhe heavier student continues forward with a speed of 0.5 m/s after the crash. How fast is the smaller student moving after the crash? (in m/s)

Please read more ..

Cent0rea88 Jan 23, 2018

Jan 22, 2018

+1

757

1

Help this guy get out of paying more

This morning James had half as much money as his brother and 27 dollars less than his sister. Then his brother paid James and his sister every 12 dollars not to tell their parents what happened out in the garden last Wednesday. After the payoff, James's read more ..

Guest Jan 22, 2018

+2

1321

5

+134

Welcome To WebCalc2.0.

We all here welcome you to our site and hope you like it. we all spend time to help you or others out. Any of us will gladly help you on any math question. We advise that you make a account with us and help out other. If you need help you can talk to Melody, CPhill Or Admin and read more ..

off-topic

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killersteve27 Jan 22, 2018

+1

3445

1

What are the coordinates of the midpoint of the segment whose endpoints are A(−1, 9) and B(3, 8) ?

What are the coordinates of the midpoint of the segment whose endpoints are A(−1, 9) and B(3, 8) ?
Enter your answer, as decimals, in the boxes.

TheXSquaredFactor ●

Guest Jan 22, 2018

0

880

0

+134

If you are in a good mood

Go to
https://padlet.com/987968/50myuwhj376i

off-topic

killersteve27 Jan 22, 2018

+5

1005

3

+258

WELCOME

Hey i just want to welcome all the new people to this site. You will find it very helpful and im pretty sure CPHILL would say the same thing.

Again welcome and enjoy

off-topic

penquino21 Jan 22, 2018

2 Online Users