05/30/19

Victor is 4 3/4  feet tall.  Miles is 5 5/6  feet tall.  How much taller is Miles? Write your answer as an improper fraction.
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05/30/19

Christopher has breakfast at a cafe and the cost of his meal is $36.00 . because of the service he wants to leave a 10% tip.What is his total bill including tip?
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05/29/19

The sides of a triangle are 6,8,9. If the triangle is dilated by a scale factor of 4, what will the new lengths of the new image be? What will be the perimeter of this new image?
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05/29/19

Anti-Derivatives or integrals

Find the function y(x) if y'(x)=3.4⋅e^x−4.4⋅sin(x)and y(0)=0.1
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05/29/19

A bag of rivets weighs 1050g. 114 rivets weighs 10g. How many rivets in the bag?
I initially figured this as 10/114=0.088g per rivet. Meaning 1050g/0.88g=11,931.818181... rivets in the bag.But now I'm second guessing myself. I truncated the weight per rivet to 0.088g/rivet. It... more
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05/29/19

How to parse a string of boolean logic in PHP?
I'm building a PHP class with a private member function that returns a string value such as: 'true && true || false' to a public member function. (This string is the result of some regex... more
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05/29/19

Is there a Java equivalent or methodology for the typedef keyword in C++?
Coming from a C and C++ background, I found judicious use of **`typedef`** to be incredibly helpful. Do you know of a way to achieve similar functionality in Java, whether that be a Java... more
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05/29/19

Finding all points common to two circles?
In Python, how would one find all integer points common to two circles? For example, imagine a Venn diagram-like intersection of two (equally sized) circles, with center-points `(x1,y1)` and... more
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05/29/19

length and midpoint

Find the length and midpoint of the segment with the given (-7,-10 9), (-2,9,-9)
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05/29/19

trig find all solutions on the interval equation
find all solutions of each equation on the interval x is > or = to 0 and < 2 pi(tan squared x)(sec squared x)+2 sec squared x-tan squared x=2tan2xsec2x+2sec2x-tan2x=2
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05/29/19

How Do I Find My Car?
I have been discussing this problem with a coworker for a few days now and neither of us have made any headway on it. I would appreciate any help with a possible solution or maybe a suggestion of a... more
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05/29/19

You flip a coin 5 times and then roll a fair six sided die once.The coin lands heads up every time and the die shows a three
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05/29/19

What's so special about standard deviation?
Equivalently, about variance? I realize it measures the spread of a distribution, but many other metrics could do the same (e.g., the average absolute deviation). What is its deeper significance?... more
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C

05/28/19

The most efficient way to implement an integer based power function pow(int, int)?
What is the most efficient way given to raise an integer to the power of another integer in C? // 2^3 pow(2,3) == 8 // 5^5 pow(5,5) == 3125
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05/28/19

The current in a shipping route flows at 4 miles per hour. for a barge to travel 24 miles upriver and returns takes 5 hours. how fast must the barge be able to travel in still water?
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C

05/28/19

Is 'switch' faster than 'if'?
Is a `switch` statement *actually* faster than an `if` statement?I ran the code below on Visual Studio 2010's x64 C++ compiler with the `/Ox` flag: #include <stdlib.h> #include... more
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05/28/19

can someone please answer this question
Which expression is equivalent to ?
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05/28/19

Why are C++ inline functions in the header?
<sub>NB This is not a question about how to use inline functions or how they work, more why they are done the way they are.</sub>The declaration of a class member function does not need... more
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05/28/19

Davis notices that his hair is decreasing exponentially at a rate of 10% per year. If he starts with 100,000 hairs on his head, how many hairs will he have after 3 years ?
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05/28/19

Find the probability
A six-sided die is rolled nine times. What is the probability that the die will show a 4 exactly 5 times? Math Homework
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05/28/19

Solve using appropiate method z+y=10, x-y=8
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05/28/19

What is a scalar Object in C++?
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05/27/19

F(x) be polynomial function such the f(3) , f'(3) = 0 and f"(3) = -3. What is the pint (3,3)?
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05/27/19

How do I sort an array of strings in alphabetical order in Fortran?
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05/26/19

How do you graph f(x) = -2^(x+3) + 4. Can you explain?
I know x+3 is a shift to the left, so we subtract 3 from each original x point (what are the original x and y points?).I know +4 is the constant, so it’s the horizontal asymptote? How do I know... more
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