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164
5
+56
I am trying to solve for (x y)... I have two angles...
I am trying to solve for (x y)... I have two angles...
acute+obtuse
\/ \/
(4x)˚ + (6x+y)˚=180˚
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Trinityvamp286
Jul 14, 2017
+1
144
2
+1167
help please
The strength of a bar magnet's magnetic field decreases with distance according to what is known as an inverse cube law; multiplying the distance from the magnet by a factor of k divides the magnetic field strength by a factor of .Suppose the magnetic
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tertre
Jul 14, 2017
+1
117
1
+102
Graphing & Understanding Linear Equations
Given the equation y = 1/2x + 1....
Is it true that any point on the line is a solution point of the equation?
Is it true that any solution point of the equation is a point on the line?
Please Explain
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MrPatel
Jul 14, 2017
+2
211
1
+75
geometry question
Let $AB = 6$, $BC = 8$, and $AC = 10$. What is the area of the circumcircle of $\triangle ABC$ minus the area of the incircle of $\triangle ABC$?
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eileenthecoolbean
Jul 14, 2017
0
110
1
how is this sloved
how is this sloved
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Guest
Jul 14, 2017
+2
153
1
+75
Another geometry question... Help plz
Quadrilateral $ABCD$ is a square, and segment $AE$ is perpendicular to segment $ED$. If $AE = 8$ units and $DE = 6$ units, what is the area of pentagon $AEDCB$, in square units?
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eileenthecoolbean
Jul 14, 2017
+2
170
1
+75
geometry help plz?
Find the inradius of $\triangle JKL$ if $JK=JL=17$ and $KL = 16$.
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eileenthecoolbean
Jul 14, 2017
0
115
2
Exponential change
Sara puts in 13 000$ in the account with the interest rate of 3.5%. How many years does it take before the amount has increased to 20 000$?
The answer is 13 years but I having some trouble finding how to solve the question. Please,
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Guest
Jul 14, 2017
0
153
1
I have 5 apples. I will eat 2 of them. How many different pairs of apples can I eat?
Is there a special way for working out these types of questions?
geno3141
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Guest
Jul 14, 2017
0
88
1
Financial models
What rate of interest compounded annually is required to triple an investment in 20 years? The rate of interest required is %? (Round to 2 decimal places as needed)
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Guest
Jul 14, 2017
0
94
1
Financial models
What rate of interest compounded annually is required to triple an investment in 20 years?
The rate of interest required is %?
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Guest
Jul 14, 2017
-1
111
1
help!!!
uuu
zzz
xxx
:)
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off-topic
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Guest
Jul 14, 2017
0
140
1
4 postcards be mailed into 3 mail boxes?
Question is: In how many ways can 4 postcards be mailed into 3 mail boxes?
Im extremely confused. How does one do this.
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Guest
Jul 14, 2017
0
130
2
+27
When is 'choose' used?
I think another name is called: Binomial Coefficient. Like 4 choose 3 = 4! / (3!*(4-3)!)
When would this be used in the real world, if that make sense.
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DeadRight
Jul 14, 2017
+1
153
2
hard question lol
the product of my number and twice my number is 72. what is half my number?
off-topic
hectictar
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Guest
Jul 14, 2017
0
142
2
i can use this like a t-84 calculator ?
how can i do fractions?
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Guest
Jul 14, 2017
0
160
1
justifier que xn+1 = xn − f (xn) f 0 (xn) puis que, pour la fonction f considérée ici, xn+1 = 1/2 ( xn + 5/xn ) pour f(x)=x*x-5
justifier que xn+1 = xn − [f (xn)/ f ' (xn)] puis que, pour la fonction f considérée ici, xn+1 = 1/2 ( xn + 5/xn ) pour f(x)=x*x-5
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Guest
Jul 14, 2017
Jul 13, 2017
0
145
1
(8x^3)*(-27)
(8x^3)*(-27)
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Guest
Jul 13, 2017
0
123
1
Arctangent Formula.
It is claimed that this formula: Pi/4=4 arctan(1/5) - arctan(1/239) is derived from the following 2 formulas:
Sin(a+B)=sin(a)cos(B)+cos(a)sin(B).....(1)
Cos(a+B)=cos(a)cos(B)-sin(a)sin(B).....(2)
My question is: How, and what are the
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Guest
Jul 13, 2017
0
127
1
+178
Swimming Pool
Two large and 1 small pumps can fill a swimming pool in 4 hours. One large and 3 small pumps can also fill the same swimming pool in 4 hours. How many hours will it take 4 large and 4 small pumps to fill the swimming pool?(We assume that all large pumps
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PsychoBaker
Jul 13, 2017
0
100
0
GEOMETRY HELP
How do you solve cube with a side length problem to find a fraction when you only have one fraction to work with?
Please help.
Guest
Jul 13, 2017
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