Wednesday

September 28, 2016
Total # Posts: 16

**chemistry**

Explain the following quote with your understanding of the concept of gas mixtures (Ch. 10 concepts) and the composition of “common air” (i.e. the air in the atmosphere). Inflammable air is hydrogen. “By the experiments... it appeared that when inflammable air ...

*May 29, 2015*

**Chemistry**

A 100 g piece of ice (solid water) at 0 °C melted to liquid water at 75.5 °C. If all the heat came from propane (C3H8) combustion, how many grams of propane Molar mass is 44.1'

*May 21, 2015*

**physics**

A woman measures the angle of elevation from her current location to a mountaintop to be 12.0°. After walking 1.10 km closer to the mountain on level ground, she measures the angle again and finds it to be 14.0°. What is the height of the mountain?

*January 12, 2015*

**algebra**

The yearly production of a 6 foot orange tree is 40 pounds of oranges. A 16 foot tree produces 65 pounds.? Let H represent the height of an orange tree and p the number of pounds of oranges produced. a). List the ordered pairs. (H.P) What is the ordered pair for the first tree...

*March 27, 2012*

**physical science**

A flower pot falls off a window ledge 10.0 m above the ground. Its velocity as it hits the ground is

*June 20, 2011*

**Math**

Solve the systems using substitution. 1.6x + 2y = -2 4x + y = 1

*June 16, 2011*

**Math**

Hi, Im In The 7th Grade And I Have To Do A Essay And I Dont Know A Real World Situation That Could Be Modeled By A Mathematical Function Table On Graph ??? Any Help ????

*January 19, 2011*

**Physics**

A certain spring stretches 6 cm when a load of 30 N is suspended from it. How much will the spring stretch if 41 N is suspended from it?

*July 21, 2010*

**physics**

An object is thrown down with a speed of 80 m/s. What is its speed 2 s later?

*June 19, 2010*

**physics**

How long does it take a car moving at 80 m/s take to travel 450 m?

*June 17, 2010*

**physics**

How far does a train moving at 800 m/s travel in 80 s?

*June 17, 2010*

**geometry**

how do you find the hight of a cylinder if you already have the volume and the radius

*April 26, 2010*

**math**

How do you figure the percentage of ratios for example 30:30 what would the percentage be? How do you divide them and what number do you divide by what number?

*November 12, 2009*

**algebra I**

System of Equations I need help with the following problem: A youth group with 26 members is going skiing. Each of the five chaperones will drive a van or a sedan. The vans can seat 7 people and the sedans can seat five people. How many of each type of vehicle could transport ...

*January 15, 2009*

**Algebra I**

My substitute teacher gaves us a worksheet that asks us to do problems we've never had before. How do I do unions and intersections on a number line using inequalities? Is there a formula for this? Example: A intersects C A={x|x>-3} C={x|x greater than or equal to 0} ...

*September 2, 2008*

**soical civics**

Arguments FOR public ownership of utilities: Arguments AGAINST public ownership of utilities: http://72.14.253.104/search?q=cache:ehdDozi14EAJ:www.oecd.org/dataoecd/48/24/1929700.pdf+%22public+ownership+of+utilities%22&hl=en&gl=us&ct=clnk&cd=10 http://www.commondreams.org/...

*December 18, 2006*

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