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Post New Question
All Questions
+0
232884 Questions
0
816
1
The janitor at a school discovered a leak in a pipe. The janitor found that it was leaking at a rate of
The janitor at a school discovered a leak in a pipe. The janitor found that it was leaking at a rate of
3
fl oz per
minuteminute.
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Guest
Sep 19, 2018
0
1
2255
2
Prove that if w, z are complex numbers such that |w| = |z| = 1 and , then is a real number.
Prove that if w, z are complex numbers such that |w| = |z| = 1 and , then is a real number.
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Guest
Sep 19, 2018
0
674
3
A 3 second percent question
By what percent must 10 be increased to 25?
Is it 25% or 125%?
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Guest
Sep 19, 2018
0
834
5
+2448
Synthetic division
Last 2
Edit: I solved the first one, it's x^2-9x-9 R=0/7x+8
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RainbowPanda
Sep 19, 2018
0
613
2
Site Questions
Why do questions get lock after a while? How many days do you have before it gets locked?
- Off topic (I can’t find the button to click it)
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Guest
Sep 19, 2018
+1
758
1
+687
Pls explain how to do these...
At a bargain store, Tanya bought 4 items that each cost the same amount. Tony bought 5 items that each cost the same amount, but each was $1.25 less than the items that Tanya bought. Both Tanya and Tony paid the same amount of money. What was the
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tertre
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hoiuu
Sep 19, 2018
+1
904
3
+687
Check my work?
Solve each given equation and show your work. Tell whether it has one solution, an infinite number of solutions, or no solutions.
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hoiuu
Sep 19, 2018
+1
856
8
+2448
Synthetic division
Another one >.<
would it be 5/8 for 8x-5
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RainbowPanda
Sep 19, 2018
0
662
2
Determine the set of all complex numbers Z for which Z, 1/Z, 1-Z have the same modules.
Determine the set of all complex numbers Z for which Z, 1/Z, 1-Z have the same modules.
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Guest
Sep 19, 2018
+1
945
5
+130
Some trigonometry equations
Can anyone provide steps to solve these equations?
a) 4sinx = cosx (x ranges from -180 to 180), solve with degree
b) sin2x = cos(0.5pi - x) (x ranges from 0 to 2pi), solve with radians <
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Mormert
Sep 19, 2018
0
679
3
+687
I dont understand hou to do this.... help
I dont understand hou to do this.... help
https://snag.gy/pgMu6y.jpg
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tertre
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hoiuu
Sep 19, 2018
0
693
4
+2448
Synthetic division
Another one of these
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RainbowPanda
Sep 19, 2018
0
472
1
+687
MATHS HELP PLS!
https://snag.gy/lOd3Cw.jpg
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hoiuu
Sep 19, 2018
0
1572
2
Show that cos2x / (cosx - sinx) = cosx + sinx
Can anyone provide steps that show that
cos2x / (cosx - sinx) = cosx + sinx
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Guest
Sep 19, 2018
0
642
3
Help tricky age problem
soo i'm having trouble interpreting this question:
"Melissa is four times as old as Dan. Twenty years from now, Melissa will be twice as old as Dan then. What is Melissa's present age?"
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ElectricPavlov
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Guest
Sep 19, 2018
0
695
5
+2448
Please help, ty!
I dont understand this >.<
EDIT: Synthetic division only
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RainbowPanda
Sep 19, 2018
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22
4527
6
Can somebody help with this problem?
Two numbers are in the ratio 5 to 8. When 2 is added to each, the ratio of the resulting numbers is 2 to 3. Find the numbers.
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Guest
Sep 19, 2018
0
673
4
Help geometry
The angle measures of three angles of a quadrilateral are given. Find the measure of the fourth angle of the quadrilateral.
(a) 70°, 90°, 115°
°
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Guest
Sep 19, 2018
0
12
5575
3
Help with problem with car distance
Two cars start at the same time from two towns 792 kilometers apart and meet in 9 hours. One car can travel 8 km faster than the other car. How far did each car travel before they meet?
ElectricPavlov
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Guest
Sep 19, 2018
0
658
2
Please help write whole explanation
While staying in a 15-story hotel, Polya plays the following game. She enters an elevator on the floor. She flips a fair coin five times to determine her next five stops. Each time she flips heads, she goes up one floor. Each time she flips tails,
read more ..
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Guest
Sep 19, 2018
+1
824
1
+92
Geometry Problem
If the two lines are parallel, m∠5 = ⅓, find x, x² - 1 and if m∠3 = x² - 8/3, find x, m∠4 and m∠6.
Answer below in the comments if you want!
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FreezingTNT
Sep 19, 2018
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