04/27/19

Gail bought 5 pounds of oranges and 2 pounds of bananas for $14. Her husband later bought 3 pounds of oranges and 6 pounds of bananas for $18. What was the cost per pound of the oranges and bananas?
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04/27/19

What are "first class" objects?
When are objects or something else said to be "first class" in a given programming language, and why? In what do they differ from languages where they are not?
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04/27/19

Suppose that f(x) = -2x8 + ax4 + bx3 + cx2 + dx + 1, where a, b, c, and d are constants. What is the end behavior of f(x)?
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04/27/19

Write an algebraic expression for the two verbal expression.

The area A of a triangle with base 16 inches and height h inches . A=? The travel time for a plane traveling at a rate of r kilometers per hour for 670 kilometers. ? Hr
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04/27/19

Is there a way to make mv create the directory to be moved to if it doesn't exist?
So, if I'm in my home directory and I want to move foo.c to ~/bar/baz/foo.c , but those directories don't exist, is there some way to have those directories automatically created, so that you would... more
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04/27/19

Can you find all zeros (real or complex) of f(x) = x^4-2x^3-23x^2+90x+150?
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04/27/19

two step equations that equal 17
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04/27/19

find the value of A if the equation (a+3)x²-(11a+1)x+a=2(a-5) they are equal root
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04/27/19

For how many minutes will both plans share the same cost?
Talk and text plan a are charged five cents a minute and twenty dollars for 250 texts. Talk and text plan b are charged ten cents a minute(first 100 minutes free) and fifteen dollars for 200 texts.... more
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04/27/19

Fraction question
What is the length of the flag pole if the shadow is 2/4 taller then the pole? Shadow =75in
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04/27/19

Why are row, column, and null spaces important? My professor showed us how to compute them but didn't know what they actually mean when asked.
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04/27/19

Alex, Sonia and Tini have a total of $580. Sonia has $120 more than Alex, and Toni has $190 more than Sonia. How much money does Toni have?
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04/27/19

What the line 2x-3y=7 look like?
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04/27/19

You have a calculator with 4 buttons: [x2], [+5], [/3], [-7]. If you start with the number 6, what do you need to click to get 1?
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04/27/19

What is meant by "thread-safe" code?
Does it mean that two threads can't change the underlying data simultaneously? Or does it mean that the given code segment will run with predictable results when more than one thread are running it?
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04/27/19

find without recursion?
Is it possible to use the `find` command in some way that it will not recurse into the sub-directories? For example, DirsRoot |-->SubDir1 | |-OtherFile1 |-->SubDir2 | |-OtherFile2 ... more
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04/27/19

Logical fallacy: X is bad, Y is worse, thus X is not bad?
I have heard this type of argument too many times: You are criticising X using well researched facts and arguments. Your interlocutor, states that Y is much worse with equally well researched facts... more
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04/26/19

Any way to declare an array in-line?
Let's say I have a method m() that takes an array of Strings as an argument. Is there a way I can just declare this array in-line when I make the call? I.e. instead of: String[] strs = {"blah",... more
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04/26/19

Find ( f o f ) (x)

Find ( f o f ) ( 3 ).f ( x ) = x^2 - x
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04/26/19

H(t)=-16t^2+80t+7
A set of fireworks mortar shells is launched from the staging platform at 80 ft/sec from an initial height of 7 ft above the ground. The height of the fireworks, h(t), can be modeled by... more
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04/26/19

Simultaneous equations question
There is a pond with 10m3 of water. Every minute, xm3 of water is filled into the pond and the excess water just flows into a river. Every minute, using two pumps, ym3 of water for each pump is... more
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04/26/19

What words have different meanings for a 20-year-old and a 50-year-old?
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04/26/19

If the y- coordinate of a vector is sine does that always mean that the x-coordinate is cosine?
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04/26/19

math help please q13
there are 8 performers who will present their comedy acts this weekend at a comedy club one of the performers insists on being the last stand up comic of the evening if the performer's request is... more
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04/26/19

math assistance needed q17
for a segment of a radio show a disc jockey can play 10 records. if there are 15 record to select from in how many ways can the program for this segment be arranged?
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