# Posts by Brittani

Total # Posts: 17

**Algebra**

A small garden measures 11 ft by 8 ft. A uniform border around the garden increases the total area to 154 ft2. What is the width of the border? I cant seem to get the right answer. Please help

**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 ...

**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'

**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?

**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...

**physical science**

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

**Math**

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

**Math**

Hi, Im In The 7th Grade And I Have To Do A Essay And I Don't Know A Real World Situation That Could Be Modeled By A Mathematical Function Table On Graph ??? Any Help ????

**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?

**physics**

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

**physics**

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

**physics**

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

**geometry**

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

**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?

**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 ...

**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} ...

**social 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/...

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