Patrick B.

06/05/19

How would I solve a system of equations that involve logs?

I'm encountering a problem with solving this system where I can't quite figure out what direction I should be going to start this off. Here are the equations. (logx)(logy) - 3log5y - log8x =... more

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Discrete Math

06/05/19

How do you find the mod of two numbers, like 24 mod 19?

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Answers •1

Algebra 1

06/05/19

System of equations : how do I solve it? 3x-y=13 and 2x+2y=10

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Answers •2

Geometry

06/05/19

Why is the diagonal of any rectangular prism always longer than one side?

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Answers •1

Discrete Math

06/05/19

How do I find a compound proposition involving the propositional variables p, q, and r, that is true when p and q are true and r is false, but is false otherwise? My answer = ( p /\ q /\ ~r )

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Answers •1

Algebra 1

06/05/19

The amount left to be raised by a telethon, in dollars after p pledges have been received is $20,000-$45p

A) for every pledge received the amount needed to be raised decreases by 20,000 b) for every Quadree see the amount needed to be raised by $45 c) for every pledge receive the amount needed to be... more

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Algebra 1

06/05/19

Which of the following situations represents a linear relationship

a) a train travels 45 miles every hour after departing the station b) the area covered by a circular eat tug depends on the radius of the rugc) the value of a car is decreasing by 7 percent each... more

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Answers •2

Calculus

06/04/19

Optimization math problem

Frank needs to make a rectangular garden with an area of 625 feet and he wants to figure out what is the least amount of fencing he needs to do this. Find the dimensions of the smallest amount of... more

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Algebra 1

06/04/19

Use the quadratic formula to find the values of x for the equation: x to the power of 2 - 4x - 10 = 0

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Answers •1

Algebra 1

06/04/19

Find the x-intercepts for the equation Y= 6x to the power of 2 - 7x -3

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Answers •1

Algebra 1

06/04/19

Kelly is driving to a friend's house. She drives 15 miles north and then drives 18 miles west

How many miles does Kelly have to drive to get to her friend's house? If there were a direct road (straight line) between Kelly's house and her friend's house, how far would Kelly have to... more

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C

06/04/19

Trapezoidal Riemann Sum in C?

I've been trying to do Riemann Sums to approximate integrals in C. In my code below, I'm trying to approximate by both the trapezoidal way and the rectangular way (The trapezoidal way should be... more

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Computer Programming Computer Science Iteration

06/04/19

Way to go from recursion to iteration?

I've used recursion quite a lot on my many years of programming to solve simple problems, but I'm fully aware that sometimes you need iteration due to memory/speed problems.So, sometime in the very... more

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Algebra 1

06/04/19

Translate the following phrase to verbal expression use it next to represent the unknown number. The equivalent of eight and the sum of a number and five

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Answers •1

Fortran

06/04/19

How can I call Fortran function that add 2 arrays from c + + program?

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Answers •1

C

06/03/19

Why is volatile needed in C?

Why is `volatile` needed in C? What is it used for? What will it do?

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Answers •1

Calculus

06/03/19

Differentiate H(u) = (u - sqrt(u)) (u + sqrt(u))need an explanation

can you explain each step like how you got (u^2-u)Can you explain it by using the product rule .Thanks !

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Answers •2

Calculus

06/03/19

Can someone help me find the point on the line −2x+2y−5=0 which is closest to the point (−3,−3)?

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Answers •1

Statistics

06/03/19

The life of cats is normally distributed with a mean of 15 years and a standard deviation of 2 years.

Find the probability of a cat living at least 10 years.

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Statistics

06/03/19

If a lottery has 300 tickets, shouldn't I win every 300 times I play?

Suppose I play a lottery that has 300 tickets. I can only buy one ticket per draw. Statistically speaking, shouldn't I win once every 300 draws? Is it more complicated than this? **Edit** This... more

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C

06/03/19

What do the parentheses around a function name mean?

In one of my project source files, I found this C function definition: int (foo) (int *bar) { return foo (bar); }Note: there is no asterisk next to `foo`, so it's not a function... more

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Unix Pi Algorithm

06/03/19

What is the fastest way to get the value of π?

I'm looking for the fastest way to obtain the value of π, as a personal challenge. More specifically, I'm using ways that don't involve using `#define` constants like `M_PI`, or hard-coding the... more

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Answers •1

C

06/03/19

Why is the asterisk before the variable name, rather than after the type?

Why do most C programmers name variables like this: int *myVariable;rather than like this: int* myVariable;Both are valid. It seems to me that the asterisk is a part of the type, not a part... more

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Statistics

06/03/19

What does it mean to have an integral with one bound (e.g. ∫ax2dx)?

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Answers •1

C

06/03/19

Passing variable number of arguments around?

Say I have a C function which takes a variable number of arguments: How can I call another function which expects a variable number of arguments from inside of it, passing all the arguments that... more

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Answers •1

How would I solve a system of equations that involve logs?

How do you find the mod of two numbers, like 24 mod 19?

System of equations : how do I solve it? 3x-y=13 and 2x+2y=10

Why is the diagonal of any rectangular prism always longer than one side?

How do I find a compound proposition involving the propositional variables p, q, and r, that is true when p and q are true and r is false, but is false otherwise? My answer = ( p /\ q /\ ~r )

The amount left to be raised by a telethon, in dollars after p pledges have been received is $20,000-$45p

Which of the following situations represents a linear relationship

Optimization math problem

Use the quadratic formula to find the values of x for the equation: x to the power of 2 - 4x - 10 = 0

Find the x-intercepts for the equation Y= 6x to the power of 2 - 7x -3

Kelly is driving to a friend's house. She drives 15 miles north and then drives 18 miles west

Trapezoidal Riemann Sum in C?

Way to go from recursion to iteration?

Translate the following phrase to verbal expression use it next to represent the unknown number. The equivalent of eight and the sum of a number and five

How can I call Fortran function that add 2 arrays from c + + program?

Why is volatile needed in C?

Differentiate H(u) = (u - sqrt(u)) (u + sqrt(u))need an explanation

Can someone help me find the point on the line −2x+2y−5=0 which is closest to the point (−3,−3)?

The life of cats is normally distributed with a mean of 15 years and a standard deviation of 2 years.

If a lottery has 300 tickets, shouldn't I win every 300 times I play?

What do the parentheses around a function name mean?

What is the fastest way to get the value of π?

Why is the asterisk before the variable name, rather than after the type?

What does it mean to have an integral with one bound (e.g. ∫ax2dx)?

Passing variable number of arguments around?

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