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Point on a line
Find the slope of the straight line between the points a and b. Then find y at x=20.

10 months ago

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Addition
Add together the values of a and b.

10 months ago

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Subtraction
Subtract a from b.

10 months ago

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Kepler's Equation
Solve <http://en.wikipedia.org/wiki/Kepler's_equation Kepler's Equation>. Note that the solution is rounded down to 5 decima...

10 months ago

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Determine if a four bar mechanism is of Grashof type
A four bar mechanism is composed of four links. if s is the smallest link, l the longest and p,q are the length of the other lin...

10 months ago

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Write a string
The answer should be a string that is the value: "I like apples!" (Ignore the quotation marks, just write what is inside the ...

10 months ago

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X-intercepts of a quadratic.
Find the y value of the quadratic of the function at a point x.

10 months ago

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PEMDAS

10 months ago

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Division
Divide a by b.

10 months ago

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Addition II
find a+b+c+d

10 months ago

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Slicing the area of a circle
Given the area, A, of a square, consider a circle having the area, πA, and the radius, r. For a given slicing number n>1, find ...

10 months ago

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Slicing a 4-pointed star polygon
Given the area, A, of a 4-pointed star polygon formed by the rectangle, with dimensions L×2L, and four triangles, with height h ...

10 months ago

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Covering a 4-pointed star polygon by a circle sector
Given the area, A, of a 4-pointed star polygon formed by the rectangle, with dimensions L×2L, and four triangles, with height h ...

10 months ago

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Covering a four-pointed star polygon by circles
Given the area, A, of a star polygon formed by the rectangle, with dimensions L×2L, and four triangles, with height h from their...

10 months ago

Solved

Covering a four-pointed star polygon by rectangles
Given the area, A, of a star polygon formed by the rectangle, with dimensions L×2L, and four triangles, with height h from their...

10 months ago

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Slicing the area of a regular polygon
Given the area, A, of a regular polygon with n sides, each of length s, consider its decomposition in congruent isosceles triang...

10 months ago

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Covering rectangle area of a four-pointed star polygon
Given the four-pointed star polygon formed by the rectangle, with dimensions l1xl2, and four triangles, with height, h, from the...

10 months ago

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Height of a four-pointed star polygon
Given the area A, of a rectangle with dimensions l1xl2, where the side lengths are integers and form the smallest possible perim...

10 months ago

Solved

Generalizing square area to triangle area
Cody Problem 61070 asked for the height, h, of a right triangle that had the same area, A, of a square with side length, c, and ...

10 months ago

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Square area to triangle area
Given the area, A, of a square with side length, c, if a right angle triangle has the same area A and the hypothenuse length 2c ...

10 months ago

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The Five Infection (Boss Level)
Given a 3x3 matrix A, replace: every value that is equal to five every value that is directly adjacent to a five with zero in...

10 months ago

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Fives Begone
Given any sentence as an input value 'sentence', turn all fives into the letter X and return the improved sentence. Also, turn a...

10 months ago

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Broken Clock
Create a function that outputs t, an inputted matrix time x, in hours and minutes (hr:min) unless the time contains a five. In t...

10 months ago

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No Fives Permitted
Create a function that gives users an custom error message if the matrix A contains a five. The error message should say "No Fiv...

10 months ago

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A Fiveless Factorial
Given a positive integer x, compute its factorial y, but exclude any muliplication by five if applicable.

10 months ago

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Don't Include a Five
Given a vector A, return vector B with all 5s replaced with 0s.

10 months ago

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Parse me a Lisp
*Description* In Lisp and its variants, function calls are done using parenthesis where the first item in the parenthesis is ...

10 months ago

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Cache me Outside
The test suite includes a simple recursive Fibonacci sequence generator, but it's terribly inefficient. One simple method for im...

10 months ago

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Acid and water
⚖ ⚖ ⚖ ⚖ ⚖ ⚖ ⚖ ⚖ Assume that there is a 100 liter tank. It is initially fi...

10 months ago

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collision
several cars (n) were involved in this collision, the input matrix (vm) has n rows and two columns, first column for velocity an...

10 months ago