08/21/14

Story Problem for Calculus
A ball is thrown in the air.  The height of the ball is given by the equation h(t)=-16t^2+30t, where t is the time in seconds.  How long will it take for the ball to hit the ground, h(t)=0, rounded... more
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08/19/14

Why is the Moon twice as effective as the Sun in the production of tides, although the Sun's gravitational pull on the Earth is 180 times stronger?
I need help with my Physical Science challenge.
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08/14/14

Equivalent Capactiance and Expression for Uncertainty
How do I determine an expression for the uncertainty of the equivalent capacitance of this circuit? I know that circuits in series are 1/Ceq = 1/C1 + 1/C2 ect. I know that circuits in parallel... more
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08/11/14

Word Problems
1. A village wants to build a community center that is projected to cost 1.2 million dollars. Cost per resident is increased by $3 as it is discovered there are 225 fewer residents than when... more
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08/11/14

Word Problems
1.If Samantha and Logan can do their paper route together in 45 minutes, how many hours would it take each of    the to do it alone, given Samantha is three times as fast as Logan?            ... more
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08/10/14

Find the area of the region bounded by f(y)=y(2-y) and g(y)=-y
I completed this problem I just want to check my final answer. I got 27/6 and simplified it to 9/2 as my final answer 
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08/03/14

How to find the set of parametric equations for y=x^2+2x
Please help me! I have no glue on how to answer this question, and my teacher did not explain it very well 
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05/31/14

Density of mass
Mass is 500g  Mass is perfect 2cm cube  What is the density?  Is it gold?
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05/29/14

as x approaches 0 find the limit x/x^2+8x
tech me step by step how to do this problem
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04/01/14

Which of the following?
Which of the following functions grows at the same rate as e^x as x-->infinity?   a) e^2x b) e^3x c) e^(x+2) d) e^-x e) e^(-x+1)   Please show all your work.
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03/23/14

name and describe thomson`s model of the atom?
name and describes the model of the atom that replaced thomson model   briefly describe the experiment that led to model of the atom that replaced thomson model     
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02/03/14

finding the end behavior of y=3x^4=6x^3-x^2=12
 i have a math paper thats do and i really need help with these problems.
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01/30/14

Find F'(x)?
If F(x)=∫ sqrt(1+t^3)dt from 1 to x^2, find F'(x).   Answer: 2x*sqrt(1+x^6)   Please show all your work.
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01/30/14

X^2+x-30=0
Solve using any method
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01/30/14

Find f^-1(x) the function is f(x)=2-(x+1/x)?
Have tried to solve this several times, but can't figure out what I'm doing wrong. Could someone illustrate the problem in steps? Thank you!
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01/28/14

How do I know if two fractions are proportions?
Use division to determine whether the ratios form a proportion.5/7 and 30/42    Please help.
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01/23/14

how to write 0.877777777 as a fraction
Its a recurring decimal 
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01/23/14

How do you use the properties of inscribed polygons to solve problems?
How do you use the properties of inscribed polygons to solve problems?
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01/21/14

Describe when it would be easier to use the substitution method versus the elimination method.
Not sure how to answer this.
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01/20/14

Find this integral?
Find the integral of 3/x^2 dx from -1 to 1.    Answer: nonexistent   Please show all your work. 
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01/14/14

How do I find the electrical energy?
A mini wind turbine produced an average of .4378v (volts) at 25 seconds. The current in amps is 0.04378. I used a 10 Ohm resistor. Is it possible to calculate the electrical energy?    I believe... more
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01/13/14

Balance equations
We are learning how to balance equations in science and it doesn't make any sense
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01/12/14

values of x
Select he value of x that are solutions to the inequality   0>x^2+5x-2   1. xE (-5-33 squared/2,-5+33 squared/2)   2. xE [-5-33 squared/2,-5+33 squared/2]   3. xE (- infinite sign, -5-33... more
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01/12/14

geometric sequence
Select he first five terms of the geometric sequence an=(2)^n^-1, starting with n=1   I believe the answer is 2,4,8,16,64   I get arithmetic sequence and geometric sequence mixed up. Is there a... more
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01/12/14

if a thermometer shows a reading of 59 what is the temperature in degrees celsius?
please answer my question please:)
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