Saturday

December 20, 2014

December 20, 2014

Total # Posts: 25

**Physics**

At the beginning of a basketball game, a referee tosses the ball straight up with a speed of 4.6 m/s. A player cannot touch the ball until after it reaches its maximum height and beings to fall down. What is the minimum time that a player must wait before touching the ball?
*November 3, 2013*

**Physics**

At the beginning of a basketball game, a referee tosses the ball straight up with a speed of 4.6 m/s. A player cannot touch the ball until after it reaches its maximum height and beings to fall down. What is the minimum time that a player must wait before touching the ball?
*November 3, 2013*

**Physics**

At the beginning of a basketball game, a referee tosses the ball straight up with a speed of 4.6 m/s. A player cannot touch the ball until after it reaches its maximum height and beings to fall down. What is the minimum time that a player must wait before touching the ball?
*November 3, 2013*

**Physics**

At the beginning of a basketball game, a referee tosses the ball straight up with a speed of 4.6 m/s. A player cannot touch the ball until after it reaches its maximum height and beings to fall down. What is the minimum time that a player must wait before touching the ball?
*November 3, 2013*

**math**

2x^2-5x-12=0 solve by completing the square. please explain how it's sovled.
*September 10, 2013*

**math**

2x^2-5x-12=0 solve by completing the square. please explain how it's sovled.
*September 10, 2013*

**education**

sand, rocking chairs, animals, and strap swings are examoles of a__ environment. a) static b) soft c) creative d) hard. would the answer be d) hard
*March 19, 2013*

**kctcs**

the ball thrown the brick wall bounces directly back with the same speed it had when it struck the wall . has the velocity of the ball change explain ?
*February 5, 2013*

**math**

Jenna has $1500 in a savings account. She adds $30 to her account each month. Luis has $2400 in his savings account. He withdraws $30 from his account each month. Write and solve a system of equation.
*November 8, 2012*

**math**

you have an unlimited supply of 5% saline solution and 8% saline solution. How much of each type would you have to use to create 60 ounces of 7% saline solution? Write and solve a system of equations to model and solve this problem.
*November 8, 2012*

**math**

teemu's t-shirts designs and manufactures t-shirts for a $15 flat design rate and $7.50 for each t-shirt.he wants to sell his t-shirts to the senior class for their graduation party. he is going to charge them $10 for each t-shirt. a) write a function,c, representing the ...
*October 1, 2012*

**math**

teemu's t-shirts designs and manufactures t-shirts for a $15 flat design rate and $7.50 for each t-shirt.he wants to sell his t-shirts to the senior class for their graduation party. he is going to charge them $10 for each t-shirt. write a function,c, representing the cost...
*October 1, 2012*

**maths**

Its rectangular room of 6.25m by 4.85m
*February 5, 2012*

**maths**

Hexagonal tiles of sides20cm are used to tile a room which measures 6.25m. Assuming we complete the edges by cutting up tiles, how many tiles are needed?
*February 5, 2012*

**physics**

which statement is true about weight 1) pull of earth on a body 2) mass of a body 3) scalar quantity 4) unit per kilogram
*November 25, 2011*

**physics**

which statement is true about weight 1) pull of earth on a body 2) mass of a body 3) scalar quantity 4) unit per kilogram
*November 25, 2011*

**chemistry**

draw a diagram showing the arrangement of the valency electrons in one molecule of the covalent compound selenium chloride. use x to represent an electron from an atom of selenium. use o to represent an electron from an atom of chlorine
*November 22, 2011*

**chemistry**

Name a reagent that will react with a) copper(II)hydrooxide and aluminium hydroxide b)aluminium hydroxide but not copper(II)hydroxide 2)suggest how you could seperate a mixture of silicon(IV) oxide and magnesium oxide 3)Name a reagent that could react with both zinc and copper...
*September 17, 2011*

**geometry**

find the area of the garden drawn below.
*April 10, 2011*

**math**

5x-6y+30=o
*March 21, 2010*

**Calculus**

Consider the function below. f(x) = [1-(4/x)]^x (a) Use a graph to estimate the value of the limit of f(x) as x approaches infinity. (Round the answer to two decimal places.) (b) Use a table of values of f(x) to estimate the limit. (Round the answer to four decimal places.)
*September 30, 2009*

**chemistry.**

all of above is wrong. i have the same question for school.
*September 27, 2009*

**Chemistry - General, Hess's Law**

In an experiment, 11.6g of a salt was dissolved in 100.0ml of water contained in the above calorimeter, all at an initial tmperature of 24.5 degrees Celsius. After dissolution was complete, the temperatur was 31.8C. The specific heat of the solution is 3.63J/gxC and the ...
*July 24, 2009*

**Chemistry - General**

1. Consider a calorimeter into which 135g of water at 45.3 degrees Celsius is added. The initial temperature of the calorimeter was 23.8C and the equilibrium temperature of the water and the calorimeter is 39.6C. Assuming there is no heat loss to the surroundings, what is the ...
*July 24, 2009*

**Math**

812 divide by 9 is 90 because you estimate
*September 15, 2006*

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