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Post New Question
All Questions
+0
231295 Questions
0
308
1
Pls help pls
The complex numbers z and w satisfy |z| = |w| = 1 and zw is not equal to -1.
(a) Prove that \overline{z} = {1}/{z} and \overline{w} = {1}/{w}.
(b) Prove that {z + w}/{zw + 1} is a real number.
Can you please explain in detail? I'm trying to grasp
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Guest
Jun 17, 2021
0
340
1
help plz
A basketball player shoots a free throw from the foul line. The equation of the path it will travel is h = -4.9t2 + 18t + 1.2 which gives the approximate height, h, of the basketball in meters after t seconds. When does the ball reach its maximum
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Guest
Jun 17, 2021
0
334
1
geometry
Compute x, in degrees.
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Guest
Jun 17, 2021
0
340
1
geometry
Compute x, in degrees.
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Guest
Jun 17, 2021
0
360
1
Coordinates
What is the x-coordinate of the point on the x-axis that is equidistant from points A(-2,4) and B(0,18)?
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Guest
Jun 17, 2021
0
334
1
I need help
if you know the answer i need help
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Guest
Jun 17, 2021
0
390
5
Circles
Let line AB and line CD be chords of a circle, that meet at the point Q inside the circle. If AQ = 16, BQ = 12, and CD = 36, then find the minimum length of CQ.
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Guest
Jun 17, 2021
0
324
1
geometry
Compute x, in degrees.
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Guest
Jun 17, 2021
0
320
1
geometry
Compute angle x, in degrees.
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Guest
Jun 17, 2021
0
255
1
Function problem
Let f(x) = x - 3 for x > -2, and f(x) = 2x - 1 for x < -2. (f(x) is not defined at x = -2.) Which integer is not in the range of f(x)?
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Guest
Jun 17, 2021
0
384
4
I need help please
I just need help, please
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Guest
Jun 17, 2021
0
349
1
math problem
a kite flying at the end of a 25 meter string. If the string makes an angle of 65 degrees with the ground, how high tot he nearest meter is the kite?
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Guest
Jun 17, 2021
0
536
1
+45
Chemistry
State what is meant by the term isotopes in terms of subatomic particles
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amc81012
Jun 17, 2021
0
476
1
+81
Help me anyone pls!! ^_^
My school's Physics Club has 22 members. It needs to select 3 officers: chairman, vice-chairman, and sergeant-at-arms. Each person can hold at most one office. Two of the members, Penelope and Quentin, will only be officers if the other one is also an officer.
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IMAGODLYNOOB
Jun 17, 2021
0
552
4
+81
pls help
Our club has 20 members, 10 boys and 10 girls. In how many ways can we choose a president and a vice-president if they must be of different gender?
AND...
No two students in Mrs. Vale's 26-student mathematics class have the
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IMAGODLYNOOB
Jun 17, 2021
0
354
1
Clock and geometry
Shortly after 9 'o clock, the hands of a clock made a 139-degree angle. What's the time?
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Guest
Jun 17, 2021
0
365
1
+4
help algebra 2
Find the smallest positive integer x≥100 such that
I am really confused by this. Can anyone help me?
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HongKong
Jun 17, 2021
0
424
1
+18
Solve for x and y
|x|+x+y=14,
x+|y|-y=12.
Solve for x and y and show work.
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LightningSidd
Jun 17, 2021
0
419
1
+18
Help
Identify all asymptotes of the graph of
.
Please also send work.
Thanks!
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LightningSidd
Jun 17, 2021
0
404
1
+18
Help please
For every real number x, let
Find all x for which f(x)=5. Also send working, please.
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LightningSidd
Jun 17, 2021
0
345
1
math problem
A bag contains 3 balls labeled 2, 4 and 8. A ball is to be picked, the value on the label is to be recorded and then the ball is to be returned to the bag. This will be done three times and then the values will be multiplied together. What is the sum of
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Guest
Jun 17, 2021
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