05/24/19

The shortest path between two integers by adding or subtracting?
You are given two integers a and b. You want to find the shortest sequence of operations necessary to transform a into b, where at each step you are allowed to add or subtract 5, 7, or 12. For... more
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Dos

05/24/19

How to delete unwanted lines from text file through batch file?
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05/24/19

how do you solve y = x + 5 and 3x + y = 25
y=x+53x+y=25(this is the initial equation)
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05/24/19

In the xy coordinate plane the graph of the equation y=2x2 -12x-32 has zeros at x=d and x=e where d>e . The graph has a minimum at (f,-50) what are the values of d e and f?
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05/23/19

what is the probability that you spin a 9 on a spinner with 8 equal sections numbered 1 to 8?
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05/23/19

Jerry is rolling a die and flipping a coin. What’s the probability that he will roll an odd number and the coin will land on tails?
A - 1/5B - 2/5 C - 1/10D - 1/4
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05/23/19

If f(x)=cosx-3tanx, then f'(4)=?
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05/23/19

If f(x)=6arcsin(x^3), find f'(0.5)=?
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05/22/19

Make a formula WITH the following numbers and mathematical constants and/or algorithms?
72/6.2=11 141/2.389=59 214/3.242=66 Here, I would like to know where did the 6.2, 2.389, 3.242 and came from and how were these calculated using mathematical constants such as pi or any other... more
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05/22/19

How do you calculate this?
¹⁄₂₍₄₎ + ¹⁄₄₍₆₎ + ... + ¹⁄₂₀₁₄₍₂₀₁₆₎ + ¹⁄₂₀₁₆₍₂₀₁₈₎ = ?
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05/22/19

what equation made of -3,-1,2,4 equal 17
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05/22/19

Analytic geometry

Determine the type, draw graph and find the equation of central quadratic that symetric to the xyz plane and passing through (1,-2,1), (-1,0,3), (2,0,0) points?
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05/22/19

if P^q=Q^R=R^p and p/q=q/r SHOW P(R-Q)=Q(P-R)
7th grader question, don know how to help!
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05/22/19

Use the values of - 3/2 and a > 0 to find the other 5 trigonometric functions
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05/22/19

The area of the rectangle shown is x2+11x+24 square units. What are the dimensions of the rectangle?
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05/22/19

.The volume of a cylinder is 980 pi cubic inches. The height of the cylinder is 20 inches. What is the radius of the cylinder
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05/22/19

The volume of a sphere is 1548 pi meters cubed. What is the surface are of the sphere
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05/22/19

Is "I cannot imagine a mechanism for X to happen, so X can never happen" a named logical fallacy?
"I have encountered this reasoning quite frequently: Somebody posits the hypothesis that an event X can happpen. A recent example I encountered was ""vinegar and salt in the boiling water make... more
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05/21/19

How to convert DOS/Windows newline (CRLF) to Unix newline (LF) in a Bash script?
How can I programmatically (i.e., not using `vi`) convert DOS/Windows newlines to Unix? The `dos2unix` and `unix2dos` commands are not available on certain systems. How can I emulate these with... more
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05/21/19

Logic: is ( A && !(B || C)) || ( B || C ) the same as ( A || B || C )?
I've encountered some obj-c code and I'm wondering if there's a way to simplify it: #if ( A && !(B || C)) || ( B || C ) is this the same as? #if ( A || B || C ) If not, is there... more
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05/21/19

No es fácil no?

X+x-y=5 Z+y+y=50 X+z+? =40 Z+z-y=25 Y+z+x=?
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05/21/19

whats the answer?
Bari Jay, a gown manufacturer, received an order for 410 prom dresses from China. Her cost is $33 a gown. If her markup based on selling price is 71%, what is the selling price of each... more
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05/21/19

I need geometry help
Prove that a line that divides two sides of a triangle proportionally is parallel to the third side. Be sure to create and name the appropriate geometric figures.
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05/21/19

You cannot remember the last digit of your friends phone number.what is the probability of guessing it in one try
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05/21/19

End of month calculations?
Just wondering if any know of an elegant solution for the following. If I have 30 June 2009 and I add a month I want it to go to 31 July 2009, not the 30 July 2009. This logic is based on the... more
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