03/18/19

How do you solve 4+x=4×2x4+x=4×2x?
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03/18/19

Connect two Line Segments?
Given two 2D line segments, A and B, how do I calculate the length of the shortest 2D line segment, C, which connects A and B?
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03/18/19

Find $C$ such that $x^2 - 47x - C = 0$ has integer roots, and further conditions?
Have been working on this for years. Need a system which proves that there exists a number $C$ which has certain properties. I will give a specific example, but am looking for a system which could... more
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03/18/19

Given the equation ax2+bx+c=0 describe a set of conditions such that the equation has two solutions that are opposite values

Given the equation ax2+bx+c=0 describe a set of conditions such that the equation has two solutions that are opposite values
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03/18/19

How do I complete the table?
Find f(x) when x is -7,-6,-5.5,-5,-4.5,-4,-3f(x)=x^2-25/x+5
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03/18/19

How do I find the solution set of 2≤x2+x≤122≤x2+x≤12?
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Expert Answers •1

03/18/19

Why does this if statement, with an assignment and equality check, evaluate to false?
How does a Java *if statement* work when it has an assignment and an equality check `OR`-d together?? public static void test() { boolean test1 = true; if (test1 = false || test1 == false) { ... more
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03/18/19

Why does this if statement, with an assignment and equality check, evaluate to false?
How does a Java *if statement* work when it has an assignment and an equality check `OR`-d together?? public static void test() { boolean test1 = true; if (test1 = false || test1 == false) { ... more
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03/18/19

How do you determine the domain of f(x)=1x2−5x√4f(x)=1x2−5x4?
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03/18/19

If x=5+√3, what is x^3-1/x^3?
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C++

03/18/19

Why use pointers?
I know this is a really basic question, but I've just started with some basic C++ programming after coding a few projects with high-level languages. Basically I have three questions: 1. Why use... more
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03/18/19

How do you make an addition formula in Excel?
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03/18/19

1 pt What is the difference between the solution of a system of two linear equations and solution of an equation in variable?
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03/18/19

use induction to prove that 3^(3n+3)-26n+27 is a multiple of 169 for all numbers n
3^(3n+3)-26+27 is a multiple of 169 by induction
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03/18/19

How many zeros does a million have when written out
How many zeros dies a million have in it
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03/18/19

What is 4.45884 rounded to the nearest cent?
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03/18/19

help with using the quadratic formula
how do you use the quadratic formula to solve z^2+16z+54=0?
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Expert Answers •1

03/17/19

What's the equation of a line passing through the point (-4, 2) & having a slope of 1/2

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03/17/19

Find all points on the y axis of a cartesian coordinate system that are 5 points from the point (3,0)
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03/17/19

Alice rows a boat downstream for 273 miles. The return trip upstream took 18 hours longer. If the current flows at 3 mph, how fast does Alice row in still water?
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03/17/19

Why do we use a Least Squares fit?
I've been wondering for a while now if there's any deep mathematical or statistical significance to finding the line that minimizes the *square* of the errors between the line and the data points.... more
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03/16/19

The areas of two similar triangles are 50 dm2, and 32 dm2. The sum of their perimeters is 117 dm. What is the perimeter of each of these triangles?
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03/16/19

In a normal distribution with a mean of 100 and a standard deviation of 5, what percentage of data values are bigger than 105
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03/16/19

What are the 5 types of data associated with variables?
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03/16/19

What is the purpose of the standard deviation?
I don't have any knowledge of statistics beyond high school common sense. Why is the standard deviation usually seen in combinatorics textbooks, and why is the standard deviation defined... more
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