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Post New Question
All Questions
+0
235589 Questions
0
366
0
how to calculate
how to calculate how many feet for 1642
Guest
Feb 21, 2016
0
400
1
reduce 40/85
40/85 reduced
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Guest
Feb 21, 2016
0
370
0
........
wheres the n/d button ? 😂😂
Guest
Feb 21, 2016
+5
664
2
Help
sixteen divided by a fourth
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Guest
Feb 21, 2016
0
527
1
Exponential Functions
is y=(-2)^x an exponential function?
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Guest
Feb 21, 2016
0
814
2
+109
:(((((
graph the following system of equations. which has two real solutions?
a.) y=x^2-2 y=-2x-5
b.) y=x^2-2 y=-2x-4
c.)y=x^2-2 y=-2x-1
read more ..
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stephdp
Feb 21, 2016
0
756
1
+109
help me?
what is the equations for the quadratic function graphed below?
a.) y=3(x+4)^2-5
b.)y= -3(x+4)^2+5
read more ..
geno3141
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stephdp
Feb 21, 2016
0
1302
1
+109
4x^2 - 24x + 31 = 0 solve by completing the square?
4x^2 - 24x + 31 = 0 solve by completing the square?
A.) -3 + square root of 5/4, x=-3 - square root of 5/4
B.) x= 3 + square root of 5/4, x= 3 - square root of 5/4
C.) 1+ square root of 3/2, 1- square root of 3/2
read more ..
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stephdp
Feb 21, 2016
0
720
2
+28
what's wrong
-4 * -6 = 24 but my teacher implied that something's incorrect my circling in -4 and -6
what's wrong
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Ernfrid
Feb 21, 2016
0
1771
5
HELP
By what percent will a fraction increase if its numerator is decreased by 10% and its denominator is decreased by 50%?
geno3141
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Guest
Feb 21, 2016
0
1280
1
Ksin(x+a)
4sinx+5cosx in the form ksin(x+a)
heureka
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Guest
Feb 21, 2016
+5
616
5
+28
(-4) * (-6) = 24
Calculation?
Ernfrid
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Ernfrid
Feb 21, 2016
0
756
2
+109
help me?:(((
is it 21 square root of 5, irrational or
47.0 rational?
read more ..
rarinstraw1195
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stephdp
Feb 21, 2016
0
848
1
help
When solving left brace Start 2 By 1 Matrix 1st Row 1st Column 3 x minus 2 y equals 9 2nd Row 1st Column y equals 6 x minus 6 EndMatrix 3x−2y=9 y=6x−6 by the substitution​ method, x equals one thirdx= 1 3 is obtained. Find the solution set.
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Guest
Feb 21, 2016
0
469
1
-7x^2+12x=10 solution in complex numbers
-7x^2+12x=10 solution in complex numbers
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Guest
Feb 21, 2016
0
339
1
need math help
8.5=26e^-.8x solve for x
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Guest
Feb 21, 2016
0
835
2
+709
I can't think of a title...
In a right triangle, x is the most acute angle. The opposite side of x is n and the hypotenuse is 3n. What is the measure of angle x? Please help. I'm stuck and this work is due tomorrow after lunch.
GenericUsernameHere
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GenericUsernameHere
Feb 21, 2016
0
774
1
+209
graphs and tangent lines
(a) Find all points on the graph of ff where the tangent line is horizontal.
(b) Graph the function and the horizontal tangent lines on the interval [−2π,2π][−2π,2π] on the same screen.
f(x)=2sinx+cosx
I
read more ..
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Yura_chan
Feb 21, 2016
0
845
4
+28
calculations?
1/3 + 1/9 = 4/9
but what's the calculation
Same with 1/2 - 2/5 = 1/10
read more ..
Anima
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Ernfrid
Feb 21, 2016
0
354
1
HELP
How do i do mean of grouped data
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Guest
Feb 21, 2016
+1
468
2
Question
why is 1337 divided by 0 infinity
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Guest
Feb 21, 2016
0
811
2
+209
Find y"
y= e^x sinx
I tried it out but can't get the right answer.
I got y' = e^x(sinx)(cosx)
but can't figure out y''.
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Yura_chan
Feb 21, 2016
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