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3
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+147
cooking
How much salt should Ilya add to 810g of water to make 10% solution? How much solution will he make?
joebob
39
mins ago
Nov 23, 2017
+1
12
1
My crush ruined my life
I have a VERY serious crush on somebody and I know for a fact he likes me back. Now my parents are going to make me move halfway across the world to a better school. I have accumulated hours and hours of tears for this matter. And no, I can't get over him.
read more ..
off-topic
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Guest
4 hours ago
0
13
1
Same Birthday
In a large party of 100 people, what is the probability that at least 3 of them share the same birthday?
Thanks for any help.
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Guest
6 hours ago
0
12
2
+30
f(x)
Explain what the symbol f(x) means. An example would be appreciated!
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Siaff
6 hours ago
+4
17
4
+402
tis thanksgiving
hoppy tahnskgniv 2 yall
off-topic
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Neptune
8 hours ago
0
12
1
Math Problem Please Responf ASAP
16. A train leaved Station A for Station B, it runs a kilometers per hour. At the same time. another train leaves Station B for Station A, and its speed is b kilometers per hour. If they meet in one hour, what is the distance between station A and station
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Guest
9 hours ago
0
24
1
Find all solutions for tan (x) = -√3 in radians
Title says it all.. Thanks in advance
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Guest
Nov 23, 2017 5:50:24 AM
+3
28
2
+403
awwww
RED PANDA!!! SO CUTE~!!!!~
off-topic
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AsadRehman
Nov 23, 2017 2:46:07 AM
0
23
2
Help please
One complete lap around a particular circular track is 400 meters. Jun and Quan each start running at the starting line and run around the track; Jun runs clockwise at 3 meters per second, and Quan runs counterclockwise at 5 meters per second. When they
read more ..
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Guest
Nov 23, 2017 2:12:57 AM
0
30
9
Modular Math
Find the smallest positive N that will satisfy the following two modular equations. N mod 3331=231, N mod 1361=1247. Thank you for help.
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Guest
Nov 23, 2017
0
20
3
Solve for all values of x in given intervals (in radians)
Not sure how to do these.. Would be grateful if steps are shown and x values are in radians..
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Guest
Nov 23, 2017
0
30
1
If $(3,17)$ and $(9,-4)$ are the coordinates of two opposite vertices of a rectangle
If $(3,17)$ and $(9,-4)$ are the coordinates of two opposite vertices of a rectangle, what is the sum of the $y$-coordinates of the other two vertices?
supermanaccz
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Guest
Nov 23, 2017
0
21
1
Help
Suppose you graphed every single point of the form $(2t + 3, 3-3t)$. For example, when $t=2$, we have $2t + 3 = 7$ and $3-3t = -3$, so $(7,-3)$ is on the graph. Explain why the graph is a line, and find an equation whose graph is this line.
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Guest
Nov 23, 2017
Nov 22, 2017
0
25
2
+12
In the figure below, AB=75, AC=70, and BY=60. Compute CX.
Also, AY = 45, YC = 25, BC = 65
(angle AXC and BYC are right angles)
supermanaccz
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LOL314jnl
Nov 22, 2017
0
21
2
+63
Show on unit circle that cos (θ + 3pi/2) = sin θ
I know how to prove this equivalent expression through an identity but how do i show this on a unit circle visually?
hectictar
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UpTheChels
Nov 22, 2017
0
26
1
HELP MEH
Is x^4-1 a factor of P(x)=x^5+5x^4-x-5? If it is, write P(x) as a product of two factors. This confuses the heck out of meh. pls hlep fast!!!
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Guest
Nov 22, 2017
0
23
1
angles on a straight line
A, O and B lie on a straight line segment where a = 30°, b = 63° and c = 75°.
State the value of the angles:
i) ∠AOB
ii) ∠ZOB <#> iii) ∠XOY <#> iv) ∠AOY <#> v) ∠YOZ <#> The
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Guest
Nov 22, 2017
0
28
2
ratio
Dan and Paul share some money in the ratio 13:5.
Dan decides this is unfair so he gives Paul £32 of his share to make the ratio 1:1.
How much did Paul originally have?
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Guest
Nov 22, 2017
+1
35
1
+9
How do I delete my account???
I made my account on October 4 i think but didn’t really use it.
I want to delete my account, but have no idea how. I went on the help section but I couldn’t find the answer...
is there a way to delete my account?
read more ..
Gh0sty15
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CHOY18043
Nov 22, 2017
0
22
1
Help
X^2+2x=24
Gh0sty15
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Guest
Nov 22, 2017
0
30
1
+114
Use Synthetic Division to find the Remainder.
Use Synthetic Division to find the Remainder.
(2x^3−5x^2−x+3) ÷ (x + 3)
read more ..
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jbouyer
Nov 22, 2017
0
35
1
+114
Algebra 2
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jbouyer
Nov 22, 2017
+1
33
1
+114
Match the following.
Match the following.
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jbouyer
Nov 22, 2017
0
34
1
+114
Factor.
Factor.
Factor.
read more ..
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jbouyer
Nov 22, 2017
0
29
1
+362
Function Equation
Help Anyone? I'm not sure if my answer is correct. If you can't see I picked: f(x)= 2x - 3
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AngelRay
Nov 22, 2017
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