Monday
December 22, 2014

Posts by sydney


Total # Posts: 369

Cylinder Height
thx
January 19, 2011

Cylinder Height
A cylinder has surface area of 402 cm2. The height is three times greater than the radius. What is the height of the cylinder?
January 19, 2011

Areas/Rectangle
2x-1
January 19, 2011

Areas/Rectangle
x^2-1 would it be this?
January 19, 2011

Areas/Rectangle
Sorry the width is x+5, I think I combine the like terms, is that right?
January 19, 2011

Areas/Rectangle
Given that the area of the rectangle is 2x^2 + 9x - 5 , determine the length of the rectangle.
January 19, 2011

physics
A diver of mass 68.9 kg stands at the end of a diving board of mass 24.5 kg and length L = 3.29 m. The diving board is supported at two locations, labeled A and B on the diagram. A and B are separated by a distance d = 0.74 m. Observe normal sign conventions for vertical ...
January 19, 2011

Chemistry
What happens to the mass of a beaker of water with a teaspoon of sugar in it measured on a balance pan compared to a teaspoon of sugar and a beaker of water separated on a balance pan? does the mass increase, decrease or stay the same? and why?
January 18, 2011

physics
A uniform ladder of mass m and length L leans at an angle θ against a frictionless wall. If the coefficient of static friction between the ladder and the ground is 0.43, what is the minimum angle at which the ladder will not slip? Do i use the equation Fn- Mg= 0
January 17, 2011

world history
The choices to this question are rapprochement with France an alliance with the Ottomans to contain Russia a formal alliance with Austria-Hungary successful challenge to Britain's sea supremacy
January 10, 2011

HEAT
A container holds a quantity of liquid nitrogen at a temperature of -200 degrees C. Explain how each of the following could be used to warm up the nitrogen. a)ice cubes b)hot water bath c)bubbling room air through the liquid All these substances contain a lot amount of thermal...
December 8, 2010

Earth's Heat Resources
most of earth's landmass is in the northern hemisphere. how might this influence Earth's overall albedo during a)June b)January I really dont get this question.
December 8, 2010

Earth's Heat Resources
How is the energy that reaches earth's surface returned to space? is is by radiation?
December 8, 2010

Earth's Heat Resources
list 3 examples of natural activities or events that carry thermal energy from within Earth directly to Earth's surface. I dont get what kinds of activities its referring to.
December 8, 2010

HEAT
A container holds a quantity of liquid nitrogen at a temperature of -200 degrees C. Explain how each of the following could be used to warm up the nitrogen. a)ice cubes b)hot water bath c)bubbling room air through the liquid All these substances contain a lot amount of thermal...
December 7, 2010

Earth's Heat Sources
most of earth's landmass is in the northern hemisphere. how might this influence Earth's overall albedo during a)June b)January I really dont get this question.
December 7, 2010

Earth's Heat Resources
How is the energy that reaches earth's surface returned to space? is is by radiation?
December 7, 2010

Earth's Heat Resources
list 3 examples of natural activities or events that carry thermal energy from within Earth directly to Earth's surface. I dont get what kinds of activities its referring to.
December 7, 2010

Energy Transfer in Natural Systems
thanks for the information bobpursley, ill keep all that in mind, thanks a bunch:)
December 3, 2010

Energy Transfer in Natural Systems
If u reach into a hot oven to remove a pizza, ur arm is not burned by the hot air but would be burned if u touched the pan. Explain. If u reached into a hot oven to remove a pizza, ur arm would not get burned by the hot air, instead it would get burned if u touched the pan ...
December 3, 2010

Energy Transfer in Natural Systems
thanks:)
December 3, 2010

Energy Transfer in Natural Systems
A = III B = II C = II D = I
December 3, 2010

Energy Transfer in Natural Systems
Match each example to a heat mechanism. Terms may be used more than once. EXAMPLES: A. Water is heated on a stove. B. You feel cold near a closed window. C. You feel cool air at your feet when you open the refrigerator. D. A blacksmith dips red-hot steel into a bucket of water...
December 3, 2010

unit conversion
what is .07g/cm3 in kg/m3?
November 29, 2010

Physics, URGENT!!!
We consider tobacco virus diffusing along a 0.47 m long tube filled with water. The cross-sectional area of the tube is unknown. The diffusion coefficient is found in Table 10.5, p. 319 in the textbook. A total amount of virus of 2.6 x 10-16 kg is transported in a steady state...
November 29, 2010

Physics
A bathysphere used for deep sea exploration has a radius of 1.50 m and a mass of 1.20 × 104 kg. In order to dive, the sphere takes on mass in the form of sea water. a) Determine the mass the bathysphere must take on so that it can descend at a constant speed of 1.20 m/s...
November 21, 2010

physics.
knowing the following: standard vector notation: 46.9 km@ 32 degrees magnitude: 46.9 km theta 58 quadrant 1 x component 24.9 y component 39.7 What would the navigational angle be
November 14, 2010

algebra 2
(4tt-att-2bt+5)-(cttt+2tt-6t+3)=ttt-2t+d ; i need to find what a,b,c, and d are. the variables like tt's mean t squared just so u know.
November 9, 2010

Physics Urgent!!!!!!
We consider an ideal gas of molar mass M = 16 g/mol at +10oC. What is the pressure of the gas if its density is 1.16 kg/m3 ?
November 8, 2010

Physics Urgent
A container of volume V = 103 cm3 has a mass of 30.0042 g when evacuated. When the container is filed with an unknown gas of pressure p = 4.72 atm at temperature T = 20oC, the mass of the system increases to 30.9508 g. Assuming that the unknown gas behaves like an ideal gas, ...
November 8, 2010

Physics Urgent
A container of volume V = 103 cm3 has a mass of 30.0042 g when evacuated. When the container is filed with an unknown gas of pressure p = 4.72 atm at temperature T = 20oC, the mass of the system increases to 30.9508 g. Assuming that the unknown gas behaves like an ideal gas, ...
November 8, 2010

Chemistry
If 36.00 mL of KMnO4 are required to oxidize 25.00 mL of 0.02932 M NaC2O4 solution, what is the concentration of KMnO4?
November 1, 2010

physics
The x component of a certain vector is -86.0 units and the y component is +75.0 units. The magnitude of the vector is 114 m. What is the angle between the direction of the vector and the positive direction of x? Use the convention that positive angles are measured ...
October 24, 2010

MATH
MAKE A TALL CHARTT FOR THE NUMBER OF STUDENTS IN THE THIRD FOURTH AND FIFTH GRADE CLASSES: 26,25,27,27,26,28,27
October 19, 2010

math 2nd grade
i am inside the path 7,6,9,3.iam the diffenrce of 2 numbers outside the path 6,7,8,5.what number am i?
October 17, 2010

English 9
For our assignment we have to choose an advertisement either in a magazine or on TV and describe how it appeals its audience. Are there any ads that would work well here?
October 12, 2010

English 9
Shannon Smiley. An acute, humourous, admirable, contrasting individual. Her delicate blonde hair flows perfectly down the sides of her duey, pale face that compliments her bold grey eyes. Shannon is an artistic person; she prefers flawed perfection and beauty. "Beauty is ...
October 12, 2010

English 9
[this is what i have done so far, and i have the situations, i just need help with explaining what i have said already] An artistic beauty. Shannon Smiley. An acute, humourous, admirable, contrasting individual. Her delicate blonde hair flows perfectly down the sides of her ...
October 12, 2010

English 9
Write a character description. Choose a person you know well, and identify one of his/ her character traits. Then, chose two or three incidents in which that person revealed that trait. - The first sentence nees to be your topic sentence and use a specific noun, verb or adverb...
October 12, 2010

History
[this is what i have so far. we need 5 paragraphs. in paragraph 4 i want to explain how greece's military modernized and then how greece gained religion/ culture and i don't know where to find this information] Between 800-500 B.C.E Archaic Greece went through changes ...
October 12, 2010

History
How did Archaic Greece modernize
October 12, 2010

physics
A ship maneuvers to within 2500m of an island's 1800m high mountain peak and fires a projectile at an enemy ship 610m on the other side of the peak. If the ship shoots the projectile with an initial velocity of 250m/s at an angle of 75 degrees. how close to the enemy ship ...
October 8, 2010

Chemistry 1151
i have been trying for a few hours now to solve this, but i missed tis day in class and my mind wont wrap around the concept. can someoneplease help?? How many moles of Neon are in a 25mL container at STP?
October 6, 2010

Chemistry 1151
How many oles of Neon are in a 25mL container at STP?
October 6, 2010

Chemistry 1151
what is the pressure of a 0.85 Liter sample of Helium with a mass of 0.070 grams when it is at 5 degrees Celcius?
October 6, 2010

9th grade MATH
14+2y=78 -14 -14 __________ 2y=64 _ _ 2 2 y=32
September 28, 2010

math 115
This is not right 5/6x-73/6
September 20, 2010

math 115
I need help please, Find an equation of the line having the given slope containing the give point m=5/6(5,-8) 5/6+ 40/6 is this correct and if not can you explain to me what I am doing wrong please
September 20, 2010

math 115
Thank you I met 45
September 17, 2010

math 115
You can use functions to figure how much money you earn in a day..if you work "x" hours in a day and you make $"y" in a day. So let's say that you work 5 hours in a day and you make $9 an hour y=5x+9 9x5=40 would this be the right way of working this ...
September 17, 2010

math 115
find (-4) when f(x) = 4-2x f(-4)+4-2 f(-4)=-2 Is that correct I am having a hard time with this and I know it so easy my brain is frozen...
September 16, 2010

math/115
thank you again
September 16, 2010

math/115
f(x) = 2x - 14 Find f(3) and f(-3). f(3)=2 -14=7 f(3)=2+14 is this correct
September 16, 2010

math 115
Thank you Rachel I understand much better
September 16, 2010

math 115
h(x) = 19-x when x is 5 and when x is -5 I need to write and expression so is this the right way? h(x)=19 h(5)x19 h(5)x 19=-5
September 16, 2010

math/116
How can I determine if two lines are perpendicular?
September 15, 2010

math/116
How can I determine if two lines are perpendicular?
September 15, 2010

math/116
How can I determine if two lines are perpendicular?
September 15, 2010

algebra
a) What year would be represented by x = 2? 2002 x 1 = 2003 so it would be 3x2=6 b) How much did it cost per gallon of gasoline in the year represented by x=2? .99
September 15, 2010

Math/116
Thank you for your help
September 15, 2010

Math/116
2. Suppose that the linear equation y = 0.3x + 0.9 represents an estimate of the average cost of gas for year x starting in 2002. The year 2002 would be represented by x = 1, for example, as it is the first year in the study. Similarly, 2008 would be year 7, or x = 7. a) What ...
September 15, 2010

Math/116
Thank you can you explain to me how you got the 17.5 answer please
September 15, 2010

Math/116
1. Suppose you are at the gas station filling your tank with gas. The function C(g) represents the cost C of filling up the gas tank with g gallons. Given the equation: C(g) = 3.5 (g) a) Find C(2) 3.5 x 2 = 7 b) Find C(5) 7/5 = 1.4 would this be correct ?
September 15, 2010

Algebra
f(8)=8
September 15, 2010

Algebra
They want me to solved this problem tha is what I thought...we are working on linear function does that help any.
September 15, 2010

Algebra
I have a problem with linear funtion is f(8)=8 f(x) = x + 10=what is x is that always 0 so this answer would 10
September 15, 2010

Alegbra 116 Help Please
why the line x = 4 is a vertical line. Name three points on the line represented by x=4. Then explain why, when we connect these points, the line goes straight up and down and does not slant to the left or right. Is the three point becasue on a graph we have -4 =4 on a graph ...
September 9, 2010

Algebra
Thank you making me understand that better
September 8, 2010

Algebra
I am having a hard time with this problem 3. You are going to plant trees in your hilly backyard. Tree A is located at coordinates (1,2) and Tree B is located at (3,12). What is the slope of the hill between the two trees? Show how you arrived at your answer
September 8, 2010

Alegbra 116
I am having problem with this one you are going to help a neighbor build a ramp so he can easily go into his house in a wheel chair In order to meet federal guideline the ramp must not rise mor than 1 foot over a horizontal distane of 12 so would my answer be y x 12 - 1
September 8, 2010

math 116 Help Please
1. Suppose you are at the gas station filling your tank with gas. The function C(g) represents the cost C of filling up the gas tank with g gallons. Given the equation: C(g) = 3.5 (g) a) Find C(2) (2 pts.) b) Find C(5) (2 pts.) 2. Suppose that the linear equation y = 0.3x + 0....
September 8, 2010

Alegbra 116 Help Please
Buying a Home For most people, buying a house is a great investment that can offer security in an uncertain world, but buying a house is also a commitment. Application Practice After putting your name on this document, above, answer the following questions. SHOW YOUR WORK FOR ...
September 8, 2010

Alegbra 116 Help Please
1) Your are planning to spend no less than $8000.00 and no more than $12,000 on your landscape project a) Write an inequality that demonstrates how much money you will be will to spend on the project B) Suppose you want to cover the backyard with the decorative rock and plant ...
September 8, 2010

Alegbra 116
1) Your are planning to spend no less than $8000.00 and no more than $12,000 on your landscape project a) Write an inequality that demonstrates how much money you will be will to spend on the project 8000< + x < 12,000 B) Suppose you want to cover the backyard with the ...
September 7, 2010

Alegbra 116 Help Please
1) Your are planning to spend no less than $8000.00 and no more than $12,000 on your landscape project a) Write an inequality that demonstrates how much money you will be will to spend on the project B) Suppose you want to cover the backyard with the decorative rock and plant ...
September 7, 2010

Alegbra 116
I guess no one wants to help me and my friend sydney....
September 7, 2010

Alegbra 116
1) Your are planning to spend no less than $8000.00 and no more than $12,000 on your landscape project a) Write an inequality that demonstrates how much money you will be will to spend on the project B) Suppose you want to cover the backyard with the decorative rock and plant ...
September 7, 2010

math 116 Help Please
1) Your are planning to spend no less than $8000.00 and no more than $12,000 on your landscape project a) Write an inequality that demonstrates how much money you will be will to spend on the project B) Suppose you want to cover the backyard with the decorative rock and plant ...
September 7, 2010

math 115
Thank you
September 7, 2010

Math 116
So would this be the right answer? $8000< x < $12,000
September 7, 2010

Math 116
Thank you Ms.Sue..
September 7, 2010

math
how do you find the domain of f if f(x)= (2x-3)/(4x+5) Thank you
August 23, 2010

Math
how do you solve 5z-43=2z+80
June 2, 2010

2nd grade
there are 16 children in room a. there are 11 children in room b. can they make 2 equal teams? How many children would be on each team?
April 20, 2010

math
double my tens digit to get my ones digit. double me and i am less than 50? who am i
March 31, 2010

11th grade
7662.3223 moles C
March 12, 2010

`Math
Can someone show me an example of area of compound figure? and how to solve
March 3, 2010

5th grade
How do you figure out area of compound figure
March 3, 2010

CHEMISTRY!!
A student determined the calorimeter constant of the calorimeter. The student added 50.00 mL of cold water to 50.00 mK of heated , distilled water in a styrofoam cup. The initial temp of the cold water was 21,00C and the hot water, 29.15C. The maximum temp pf the mixture was ...
March 3, 2010

spanish
what does los dias de clase mean
March 2, 2010

math
how do you find the slope
February 19, 2010

Physics
The general relationship of oscillation T of a mass m suspended on a spring is T=2(pie)square root of m/k, where k is the spring constant. how would i change this equation into a straight line equation to graph?
January 25, 2010

Science
Of COURSE it is! I'm in 6th grade too and that sounds great. Don't worry about it ^_^ Just do it and forget what other people think. All you have to do is make it accurate and well done. Your teacher won't judge you for childness. Just the quality of your work.
November 16, 2009

10th grade algebra
4.3
November 12, 2009

10th grade algebra
4.3
November 12, 2009

Geometry
32/100=16/50=8/25? Is this the correct way to write 32% as a reduced fraction
October 20, 2009

Math
solve x^2 = 2^x
September 20, 2009

Math
please help me x^3-3x-3=0 thanks
September 20, 2009

math
tn = a1 + (n-1)d t2 = 12 and t3 = 24 so d= 24-13=11 so we need to find a1 t2=a1 + (n-1)d 12 = a1 + (2-1)11 12 = a1 +11 1 = a1 then t15 = 1 + (15-1)11 t15 = 1 + 154 t15 = 155
September 20, 2009

math - probability
where did you get the 8/7/6 from 3 warehouse * 8 outlets = 24ways
September 20, 2009

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