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Post New Question
All Questions
+0
230689 Questions
0
1310
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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
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rosala
Jan 23, 2018
0
1054
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 ..
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Guest
Jan 23, 2018
0
4503
2
+62
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
read more ..
Melody
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LOL314jnl
Jan 23, 2018
0
680
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?
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Guest
Jan 23, 2018
0
1165
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 $-t^2 + 8t -4$?
hectictar
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Guest
Jan 23, 2018
0
918
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 $t^2 -9t - 36$?
hectictar
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Guest
Jan 23, 2018
0
725
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?
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Guest
Jan 23, 2018
0
1
4585
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".)
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Guest
Jan 23, 2018
+2
1313
8
+4609
A question for CPhill
Let be an arithmetic sequence. If , what is ?
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tertre
Jan 23, 2018
+1
1986
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 $b$?
hectictar
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Guest
Jan 23, 2018
+1
1294
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 $n$?
Alan
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Guest
Jan 23, 2018
+1
1
1196
2
+101
A question for you
j(x)=2x-3
what it
and what would be
read more ..
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dom6547
Jan 23, 2018
+1
1315
3
+895
Trigonometric Functions
Determine the sign (+ or -) of each expression WITHOUT using a calculator.
a)
b)
c)
read more ..
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AdamTaurus
Jan 23, 2018
+2
984
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
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Cent0rea88
Jan 23, 2018
+1
1137
1
+895
Co-Terminal Angles
Find one angle that is NOT co-terminal with the others listed.
a)
b)
ElectricPavlov
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AdamTaurus
Jan 23, 2018
+1
1010
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 ..
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Cent0rea88
Jan 23, 2018
Jan 22, 2018
+1
668
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 ..
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Guest
Jan 22, 2018
+2
1227
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
3367
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
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Guest
Jan 22, 2018
0
791
0
+134
If you are in a good mood
Go to
https://padlet.com/987968/50myuwhj376i
off-topic
killersteve27
Jan 22, 2018
+5
916
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
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penquino21
Jan 22, 2018
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