03/16/19

The lengths of the sides of a triangle are 6, 5 and 7. Classify the triangle as acute, right, or obtuse.

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03/16/19

Why does this not seem to be random?
I was running a procedure to be like one of those games were people try to guess a number between 1 and 100 where there are 100 people guessing.I then averaged how many different guesses there... more
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03/16/19

What is the principle of least squares?
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03/16/19

If I roll two fair dice, the probability that I would get at least one 6 would be....?
11 out of 36? I got this by writing down the number of possible outcomes (36) and then counting how many of the pairs had a 6 in them (1,6) (2,6) (3,6) (4,6) (5,6) (6,6) (6,5) (6,4) (6,3) (6,2)... more
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03/16/19

Which value is equal to 5% of 1,500?
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03/16/19

Find a polynomial function of degree 3 with real coeffcients that has the given zeros. -1, 2, -5
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03/16/19

How do I parse command line arguments in Java?
What is a good way of parsing command line arguments in Java?
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03/16/19

What is the point of "final class" in Java?
I am reading a book about Java and it says that you can declare the whole class as `final`. I cannot think of anything where I'd use this. I am just new to programming and I am wondering **if... more
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03/16/19

How to convert Milliseconds to "X mins, x seconds" in Java?
I want to record the time using `System.currentTimeMillis()` when a user begins something in my program. When he finishes, I will subtract the current `System.currentTimeMillis()` from the `start`... more
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03/16/19

How to convert comma-separated String to ArrayList?
Is there any built-in method in Java which allows us to convert comma separated String to some container (e.g array, List or Vector)? Or do I need to write custom code for that? String... more
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03/16/19

How do you solve eln(1−x)=2xeln⁡(1−x)=2x?
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03/16/19

How do I convert XLSX to XLS?
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03/16/19

checking if a point is inside a specified Rectangle?
ok, so i'm doing an assignment for a Java class and one part of the assignment is to find out if a point is within the dimensions of a rectangle. so I created this code: public boolean... more
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03/16/19

If f(x+1)+f(x+3)=f(x)+f(x+2)f(x+1)+f(x+3)=f(x)+f(x+2), what's ff?
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03/16/19

How do I determine if a number is prime?
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03/16/19

Is there a formula in Excel that returns the cell value of a table, by finding the column and row that meets certain criteria?
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03/16/19

A parcel of land is 9 ft longer than it is wide. Each diagonal from one corner to the opposite corner is 261 ft long. What are the dimensions of the parcel?
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03/16/19

How are x axis and y axis perpendicular if product of their slopes is not equal to -1?
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03/15/19

Check whether a string is not null and not empty?
How can I check whether a string is not null and not empty? public void doStuff(String str) { if (str != null && str != "**here I want to check the 'str' is empty or not**") { ... more
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03/15/19

Given 3 points in the Cartesian plane, how can you find the coordinates of the center of the circle that intersects all three points, if there exists such a circle?
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03/15/19

Java tree data-structure?
Is there a good available (standard Java) data structure to represent a tree in Java? Specifically I need to represent the following: - The tree at any node can have an arbitrary number of... more
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03/15/19

For |2x + 3| - |2x -5| = 6 , what is x? How do I solve the absolute functions?
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03/15/19

differential and invertable function f (x)
1. The table below gives some value for a differential and invertable function f and it’s derivative f' X F(x) F’(x) 0 49 0 1 2 -8 2 -1 -80 Use the above table to find the value of... more
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03/15/19

Defining the derivative without limits?
These days, the standard way to present differential calculus is by introducing the Cauchy-Weierstrass definition of the limit. One then defines the derivative as a limit, proves results like the... more
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03/15/19

If 15x + 6 =36, what is x?
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