Wednesday

February 10, 2016
Total # Posts: 17

**Calculus**

Find f(x+h) for f(x)= x^2 - 2x - 3
*October 11, 2011*

**calculus**

Let f(x)+10x^2+9x+10. Find f(x+h)-f(x).
*September 27, 2011*

**Math**

Given that sin alpha=4/sqrt65, pi/2<alpha<pi, and cos beta=-3/sqrt13, tan beta>0, find the exact value of tan(alpha+beta)
*June 13, 2011*

**science**

if a satellite moves in a circular orbit around a planet, the satellite has a constant: momentum velocity OR acceleration
*January 25, 2011*

**physics**

baseball thrown horizontally takes 1.1 seconds to reach the ground. What is the height at which the ball was thrown?
*January 11, 2011*

**science**

Harry walks 1.5 km/h to the mall. Earl walks 2.75 km/h to the mall. What is Earl's relative velocity with respect to Harry?
*January 11, 2011*

**science**

Harry walks 1.5 km/h to the mall. Earl walks 2.75 km/h to the mall. What is Earl's relative velocity with respect to Harry?
*January 11, 2011*

**science**

the separation of the foci of an ellipse that describes a planet's orbit derermines A eccentricity of the orbit B period of the orbit C size of the orbit D all of the above. I think it is A because the closer the foci, the more circular versus elliptical the orbit is. ...
*December 8, 2010*

**physics**

100 g mass is attached to a string 75 cm long. swings in a horizontal circle. The mass goes around its path once every 0.8. seconds. What is centripetal acceleration of the object? What is the tension in the string?
*December 2, 2010*

**physics**

player kicks football from ground level with velocity of32 m/s at an angle of 40 degrees above horizontal. What is hang time of football? How far does the ball travel horizontally before hitting the ground? What is the maximum height that the ball reaches?
*November 29, 2010*

**physics**

Find the acceleration down the ramp: skateboarder starts from rest at the top of a 12.5 m slick ramp that makes a 25 degree angle with the horizontal. (coefficient of rolling friction is negligible). Combined mass of skateboarder and skateboard = 75 kg.
*November 20, 2010*

**12th grade**

Suppose an unknown substance has a melting temperature of 1,200 degrees Celsius and a density of 16.7 g/cm3. However, the different individual atoms that make up the element have very different melting temperatures and densities. The unknown substance is most likely a what?
*November 19, 2010*

**5th grade**

220 angle duh im 15
*October 26, 2010*

**5th grade**

i need help obn my homework
*August 31, 2010*

**math**

I dont know the answer to that
*February 11, 2010*

**algebra**

um. i dont know
*October 8, 2008*

**algebra**

the amount of money earned on a job is diretly proportional to the number of hours worked. if $76 is earned for h of work, how much is earned for 34 h of work.
*October 8, 2008*

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