05/20/15

Mathematic Rule about adjacent angles
Is there a mathematic rule, postulate, theorem, or definition that states the following:   Two adjacent equal angles whose sum is 180° are right angles.    
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05/02/15

If a and b belong to an Abelian group and |a| = 4 and |b| = 4, what can you say about |ab|?
If a and b belong to an Abelian group and |a| = 4 and |b| = 4, what can yousay about |ab|? Justify your answer.
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05/02/15

find the energy in joules
find the binding energy in joules of a cobalt atom with 27 protons, 32 neutrons and a mass of 97.958205x10^-27kg
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04/14/15

Given the geometric series...Find S10
1/2+3/2+3^2/2+...
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04/04/15

A car down a ramp and stops 6 metres from the ramp. What angle is the ramp at?
Car weighs 1.31542 kg   Car stops 6 metres from ramp   I'm not sure what formula/formulas to use to figure this out.   Thanks so much!  
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03/25/15

speed of the falcon in meters?
a falcon flew 70 miles in 3 hours. what was the speed of the falcon in meters?
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03/25/15

If (x - a)(x - 1) + 1 = (x + b)(x + c) is true for all x and if a, b, and c are integers, find the sum of all possible values of a.
this problem is very hard and if you can solve it you are a genius
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03/22/15

the perimeter of a rectangular pool is 130 ft. The width is 4 times the length. Find the dimensions of the pool.
w + l = 130 ft. 4w + l = 130 ft.
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11/22/14

Find a quadratic function to model the values in the table
Table:    x | y ----- -2|-18 0 | -4 2 | -14
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09/21/14

Help me with this word problem please!!!
Janie writes a polynomial expression using only one variable x with a degree of 3. Max writes a polynomial expression using only one variable x with the degree of 7. What can you determine about... more
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09/10/14

If you take the square root of every whole number, from 1-100. How many of them will be irrational numbers?
I'm looking to find the answer to the question:  If You take the square root of every whole number from 1-100,  How many of them will be irrational numbers?
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09/09/14

How do I determine limits from a piece wise function?
     How do you determine limits from a piece wise function in calculus?
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09/04/14

lim 2t+4/ 12-3t^2 as t approaches -2
Its about limit, and i dont understand how to get this answer. help 
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09/03/14

How long, in seconds, is required for a car traveling at a speed of 44 km/hr to travel 70 m?
How long, in seconds, is required for a car traveling at a speed of 44 km/hr to travel 70 m?
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09/02/14

How to Solve Compositional functions (HELLPP)
For the Given Functions:   f(x)=x^4 + 5x g(t)= 7t^3   Find the composite functions:   f x g(t)= g x f(x)=  
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08/31/14

Help with unit rates.
Mr.Green is repairing the bathroom and kitchen faucets .the bathroom faucet leaks 8 ounces of water in 12 minutes.The kitchen faucet is dripping at 6 ounces in 10 minutes.   A)What is the  unit... more
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08/31/14

the average of 20 no.s is 14. the average of the 1st 10 is 15 and that of the next 9 is 13 find the last number.
plz answer it  
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08/30/14

why is the sky blue?
What chemicals in the atmosphere make the sky appear blue?
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08/30/14

Bernoulli equation, velocity increases pressure decreases, what happens to temperature??
Bernoulli equation, velocity increases, pressure decreases, what happens to temperature?
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08/29/14

Jay left Durham, and 3 hrs later, Mike left going 50 mph faster to catch up. After another 2 hrs, Mike caught up. Find Jay's average speed.
please answer this with a solution and equation. thank you!
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08/28/14

The difference between the square roots of a number is 30. What is the number?
It is 8th grade homework that student nor parents can solve. It is a square root problem.  The work has to be shown.
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08/27/14

Four points lie in the same plane, and each point can act as an endpoint. How many unique line segments can be formed using the set of points
This is about points on lines and I have no idea the avaialabe answers are     A. 8 B. 6 C. 5 D. 4
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08/27/14

boat speed
don Williams uses his small motorboat to go 3 miles upstream to his favorite spot. Against the current, the trip takes 3/5 hour.With the current it takes 1/5 hour. HOw fast can the boat travel in... more
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08/26/14

How to simplify (x^5)^-8x^-4
Going into College Prep Algebra 2 Junior Year...   How do you simplify (x5)-8x4 ?
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08/25/14

How do I find a second derivative?
What is the second derivative for the function y=e^(6-x^2) ? Please show workings.
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