05/03/19

What is a discrete variable?
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05/03/19

How do I sum a range of data ignoring zero in Excel?
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05/03/19

Mixing numbered and unnumbered lines in VB6?
I remember being a kid in the 1980s and numbering lines in BASIC because you had to. Nowadays, as far as I knew, numbered lines were 100% out; no one wants or needs to use them. That's until I... more
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05/03/19

BASIC, how lines were stored in memory?
As I understand BASIC had line numbers because at the time you had to use a line editor to input your program. It allowed you to do something like this: 20 END 10 PRINT "HELLO WORLD" This... more
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05/03/19

use a half- angle identity to find tan(x/2) if sec x = negative 13/2 and pi/2 < x< pi
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05/03/19

What is the probability of choosing two queens from a standard 52-card deck ?

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05/03/19

What is the slope of the line with equation 2x = -8?
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05/03/19

Tossing a coin and spinning a spinner with five equal sections, 1-5
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05/03/19

If the radius of the circumscribed circle of a equalateral triangle is 10cm, what is the area?
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05/02/19

Can I use data taken in a 5-point Likert Scale, and convert it as if it were taken as a 4-point Likert?
I made an error in my qualtrics survey, and used a 5-point Likert scale, when the measure was supposed to use a 4-point scale. I have collected a lot of my data for my dissertation, and am now very... more
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05/02/19

Calculus question, plz help

Using Euler's Method with a step size of h = 0.3, estimate the value for y(0.9) for the differential equation 3 times dy dx plus 5 times y squared equals the sine of x, with y(0.3) = 5.
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05/02/19

3D Game Geometry?
I have a simple game that uses a 3D grid representation, something like: Blocks grid[10][10][10]; The person in the game is represented by a point and a sight vector: double x,y,z,... more
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05/02/19

find two points on the graph of the parabola other than the vertex and x-intercept

r(x)=-x^2+2x , i need help to see what points are going through this without using the stuff(what i mentioned in my question) my vertex is (1,1) and the x-intercepsts is (2,0),(0,0) . What are two... more
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05/02/19

How do you find the Exponential Function Equation of y=a(b)^x when given two points on a graph?
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05/02/19

joyce wants to fence in a rectangular dog run in her backyard. she is going to use a total of 24 feet of fencing
what is the width, w, of the dog run if it has an area 119 square feet ?what is the width, w, of the dog run if it has an area of 135 square feet?
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05/02/19

linear equation in two variable
√x + y = 3 x + √y =6
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05/02/19

Find the area of the smaller region bounded by the ellipse x2/9 + y2/4 = 1 and the line x/3 + y/2 = 1?
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05/02/19

A math test is worth 100 points and has 30 problems. Each problem is worth either 3 points or 4 points. How many 4-point problems are there?
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05/02/19

Is a point inside regular hexagon?
I'm looking for advice on the best way to proceed. I'm trying to find whether a given point A:(a, b) is inside a regular hexagon, defined with center O:(x, y) and diameter of circumscribing circle.... more
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05/01/19

The curved surface area of a cylinder of radius xcm and length 3x+2cm is 32pi cm^2. Form an equation, in terms of x, and solve it to find the length of the cylinder
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05/01/19

A boat travels 5 km upstream and 5 back. The time for the round trip is 4 hrs. The speed of the stream is 3km/hr. What is the speed of the boat in still water
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05/01/19

What are the coordinates of foci and vertices of the ellipse where the equation is (x-2) ^2/9 + (y-1) ^2/25 = 1 ellipse?
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05/01/19

If y varies jointly as x and z and y=80 when x=5 and z=8 find y when x=16 and z=2
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05/01/19

What are two distinct properties between a rectangle and a square?
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05/01/19

Has anyone proved any of the postulates of Euclid?
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