Sunday

February 26, 2017
Total # Posts: 34

**Math 8th Grade**

C C D B B

*December 5, 2016*

**Social Studies**

i reallllly need the answer

*October 6, 2016*

**Math**

1. D 2. C 3. D 4. A 5. C 6. D 7. B 8. C 9. A 10. B

*January 11, 2016*

**Math**

what about the other 5?

*January 11, 2016*

**help**

false

*December 18, 2015*

**chemistry**

who created the mcilvaine buffer system?

*March 27, 2015*

**precal**

how do you use demoivre theorem for (-1+i)^7

*March 15, 2015*

**precal**

yes

*March 15, 2015*

**precal**

demoivre theorem (2-2i)^8

*March 15, 2015*

**precal**

sqrt2/2^2

*March 15, 2015*

**precal**

demoivre theorem (2sqrt3+2i)^5 r=(2sqrt3+2)^2

*March 15, 2015*

**ap chemistry**

how do you find the mass of dehydrated sample? mass of crucible and cover- 30.95 g mass of hydrated sample, crucible, and cover- 32.75 g mass of hydrated sample-? mass of dehydrated sample, crucible and cover- 1st weighing-32.47 g mass of dehydrated sample, crucible, and cover...

*January 12, 2015*

**math**

In a random sample of 75 individuals, it was found that 52 of them prefer coffee to tea. What is the margin of error for the true proportion of all individuals who prefer coffee?

*May 28, 2014*

**math**

has a vertex of (0,2) and points (1,8)find a,b,c

*December 6, 2013*

**statistics**

$12,553.65

*April 23, 2013*

**chemistry**

hghbj

*February 27, 2013*

**PHYSICS(URGENT)**

A particle has a mass of 5kg. It is held at a height of 3 metres above the ground. Find: a.Its potential energy b.It’s kinetic energy when is hits the ground c.The speed with which the particle hits the ground

*March 22, 2012*

**PHYSICS(URGENT)**

A body of mass 0.5 kg is thrown vertically upwards with a speed of 10 m/s. Determine: a.The initial kinetic energy of the body b.The gain in potential energy when the body has reached its maximum height c.The maximum height reached above the starting position

*March 22, 2012*

**PHYSICS**

A car is moving at a constant velocity of 5.5m/s. How much net force is required to raise its velocity to 14 m/s in 30 seconds? Suppose the car has a mass of 150kg.

*February 27, 2012*

**PHYSICS**

A car is moving at a constant velocity of 5.5m/s. How much net force is required to raise its velocity to 14 m/s in 30 seconds? Suppose the car has a mass of 150kg.

*February 27, 2012*

**PHYSICS**

A car is moving at a constant velocity of 5.5m/s. How much net force is required to raise its velocity to 14 m/s in 30 seconds? Suppose the car has a mass of 150kg.

*February 27, 2012*

**PHYSICS**

If your mass on earth is 70 kg what will be your mass on the moon considering that the gravitational field strength on the moon (g) is 1/6 of that on the earth. (g on earth = 10N/kg)

*February 27, 2012*

**physics**

A car accelerates from rest at a steady rate of 1 ms-2. Calculate: (a) the time taken to reach 15 ms-1 (b) the distance travelled during this time (c) the velocity of the car when it was 100 m from the start point

*February 8, 2012*

**physics**

A car accelerates from rest at a steady rate of 1 ms-2. Calculate: (a) the time taken to reach 15 ms-1 (b) the distance travelled during this time (c) the velocity of the car when it was 100 m from the start point

*February 8, 2012*

**geometry**

Prove line segment BP is 2/3 of line segment BD in triangle ABC

*February 8, 2011*

**Chem**

1, 3, 4

*October 26, 2010*

**geometry**

856

*September 8, 2010*

**Physics**

If a ball has a constant acceleration of 10m/s^2, how fast will the ball be rolling after 4 seconds? Would you multiply acceleration times time? So 10 x 4... or would you use the equation d=1/2gt^2?

*May 29, 2010*

**Physics**

A 3.8 kg fish swimming 1.3 m/s swallows an absent minded 1.4 kg fish swimming toward it at a velocity that brings both fish to a halt immediately after lunch. What is the velocity v of the smaller fish before lunch?

*May 27, 2010*

**Physics**

A railroad diesel engine weighs 3.6 times as much as a freightcar. If the diesel engine coasts at 4.3 km/h into a freightcar that is initially at rest, how fast do the two coast after they couple together? )

*May 27, 2010*

**microeconmics**

ljljl

*May 18, 2010*

**Physics**

@kelly..may i know why have to l-l cos delta?

*March 29, 2010*

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