Patrick B.

Pascal

06/24/19

How do I write a program in Pascal to compute the sum 1+2+3+4+…+N for any positive integer N, using a loop to accumulate the sum as S1?

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Algebra

06/24/19

Plot 4 points (n,S) that satisfy the equation.

The sum S of the exterior angle measures of a polygon with n sides is S=360°.

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Math Calculus Limits Of A Function

06/24/19

Find the limit (if it exists). lim x→0− x+8/cot x

I am confused as to how to find the limit for this questions as x approaches ) from the left. The cot portion is throwing me off a bit. Any help would be great! Cheers :)math

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C

06/23/19

Check that triangle is right?

I'm trying to check if a triangle is a right triangle in C language. `a`, `b` and `c` are lengths of sides of some triangle. int is_right_triangle(int a, int b, int c) { return (a * a + b... more

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Statistics

06/23/19

The Standard Normal Distribution

Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean of 0°C and a standard deviation of 1.00°C. A single thermometer is randomly selected and tested.... more

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Algebra 2

06/23/19

Algebra ll / 10th grade

x2+2x

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Math Trigonometry College Algebra

06/23/19

Use a half-number identity to find an exact value for the function, given the information about x.

sin x/2 , given sin x = -3/5 , with 3π/2 < x < 2πa. -√30 /10b. √10 /10c. √5 /5d. -√5 /5

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Statistics

06/23/19

A baseball player has a batting average of 0.335. What is the probability that he has exactly 7 hits in his next 7 at bats?

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Dos

06/23/19

How to get a list of sub-folders and their files, ordered by folder-names?

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C

06/23/19

What is ultimately a time_t typedef to?

I searched in linux box and saw it being typedef to typedef __time_t time_t;But could not find the __time\\_t definition.

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Statistics

06/23/19

A baseball player has a batting average of 0.2. What is the probability that he has exactly 3 hits in his next 7 at bats?

The probability is

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Dos

06/23/19

Dos Batches: write to files without a line ending?

I have a situation while writing a dos batchs script. A tool I am using to calculate CRC (checksum) of a text string requires the text to be in a file. The data I am trying to get the CRC for is... more

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Algebra 2

06/23/19

How many solutions are there to this equation below -46=3x+7

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Dos

06/22/19

DOS Batch script to convert string 2 hex?

How can I convert sring to hex in DOS Batch script?For example, convert "abcd" to "61626364".Since, 'a' is 0x61...I tried to find a solution from web, a day, but could not find my answer.

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Statistics

06/22/19

Give your answers as decimals, to three places

Out of 600 people sampled, 306 had kids. Based on this, construct a 95% confidence interval for the true population proportion of people with kids.

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Visual Basic

06/22/19

Luis has $75,jim has $18,and marie has $12 more than luis and jim together.find the total amount of money the three have together

mary has $34, jane has $15, and helen has $27 more than mary and jane together.find the total amount of money the three girls have together

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Answers •1

College Algebra

06/22/19

I’m not sure how to solve this linear application

The sum of two integers is -61. One integer is 35 more than the other. Find the integers

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C

06/22/19

How can one print a size_t variable portably using the printf family?

I have a variable of type `size_t`, and I want to print it using `printf()`. What format specifier do I use to print it portably? In 32-bit machine, `%u` seems right. I compiled with `g++ -g -W... more

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Computer Programming Function Terminology

06/22/19

What's the difference between a method and a function?

Can someone provide a simple explanation of methods vs. functions in OOP context?

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Computer Programming Computer Science Theory

06/22/19

Exactly what is the difference between a "closure" and a "block"?

I've found that lots of people use the words *closure* and *block* interchangeably. Most of these people can't explain what they're talking about. I'm looking for a precise, computer science... more

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Answers •2

Logic C# Boolean

06/22/19

Check severeal boolean returns in same time?

I have several bool elements and I am checking it if returns me false. bool i = false; switch (idcount) { case 1: i = p1(); break; case 2: i = p1() & p2(); break; case 3: i = p1() &... more

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Answers •2

Logic C# Boolean

06/22/19

Check severeal boolean returns in same time?

I have several bool elements and I am checking it if returns me false. bool i = false; switch (idcount) { case 1: i = p1(); break; case 2: i = p1() & p2(); break; case 3: i = p1() &... more

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Answers •2

Calculus Integral Calculus Integral

06/22/19

Integral Calculus HELP

Approximate the value of the given integral by use of the trapezoidal rule, using the given value of n.Integral from 2 to 3 6/7x dx n = 2

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Answers •1

C++ C Logic

06/21/19

Can we implement a doubly-linked list using a single pointer?

I want to use a structure like: struct node { char[10] tag; struct node *next; }; I want to use the above structure to create a doubly-linked list. Is that possible and if yes, then how I can... more

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Answers •4

Calculus Precalculus

06/21/19

The height y (in feet) of a ball thrown by a child is y=−112x^2+6x+3

The height y (in feet) of a ball thrown by a child is y=−112x^2+6x+3where x is the horizontal distance in feet from the point at which the ball is thrown.(a) How high is the ball when it leaves the... more

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How do I write a program in Pascal to compute the sum 1+2+3+4+…+N for any positive integer N, using a loop to accumulate the sum as S1?

Plot 4 points (n,S) that satisfy the equation.

Find the limit (if it exists). lim x→0− x+8/cot x