Posts by Troy

Total # Posts: 174

Science/chemistry
CH4 + 2O2 --> OC2 + 2H2O What mass of water is formed by burning 4g of methane in excess oxygen? (Ar of carbon=12, Ar of oxygen=16 and Ar of hydrogen=1)

Algebra
(-11)3squared

math
The height of a triangle is 4 inches more than the base. The area of the triangle is 35 square inches. Find the base and height of the triangle.

Chemistry
an empty graduated cylinder weighs 82.450g. when gilled tp 50.0 mL with a liquid it weighs 110.810g. what is the density of the liquid?

math plz help
the Average age of three number is 32 base 5.If the sum of two number is 131 base 4.Find the third number in base 6? Step plz

chemistry
Wow Miss sue didn't realize that lol

chemistry
You guys just give her the answer

U.S. Government
The authors of the Federalist Papers stated that when framing a government the government must first be able to control the governed and also be able to control itself. To what extent were the founding fathers successful in implementing these goals?

Us government
James Madison one said: "wherever the real power in the government lies there is the danger of oppression. In our government the real power lies in the majority of the community. How does the constitution reflect his concern?

Algebra
5<x-2<11 I'm very Confused on this Question. I know that the x should be in the middle of the answer and that the first number should be 5 or 7.

Chemistry
A 0.600 m aqueous solution of KBr has a total mass of 69.0 g. What masses of solute and solvent are present?

Grade 10 Math
Thanks!

Grade 10 Math
A hospital plans to build a wheelchair ramp. It's slope must be less than 1/12 . The entrance to the hospital is 70cm above the ground. What is the minimum horizontal distance needed for the ramp?

Geometry
given ABCD IS A rectangle . IF BC =5ft and AB =8ft find the missing sides

science
If the solution is saturated at 100 degrees Celsius and then cooled to 30 degrees Celsius, how many grams of solute will precipitate out?

Math
How would you solve for x given the equation: (x/58.45) + ((0.86 - x)/74.55) = 0.01349

math
An aquarium holds 6 1/4 gallons of water. The water level has dropped to 4/5 of this amount. How much water should be added to fill the aquarium?

math
08.03)Esther wants to know if the number of words on a page in her language arts book is generally more than the number of words on a page in her social studies book. She takes a random sample of 25 pages in each book and then calculates the mean, median, and mean absolute ...

math
Small cubes with edge lengths of 1/4 inch will be packed into the right rectangular prism. The dimensions are 4 1/2 inches in length, 5 inches in width, and 3 3/4 inches in height. Each cube is 1/4 inches. How many small cubes are needed to completely fill the right ...

Chemistry
Zn(OH)2 was saturated in a solution of sodium hydroxide. The following equilibra exist under these conditions Zn(OH)2 -> Zn2+ +2OH- Ksp Zn2+ +OH- -> Zn(OH)+ K1 Zn(OH)- + OH- -> Zn(OH)2 K2 Zn(OH)2 + OH- -> Zn(OH)3- K3 Zn(OH)3- +OH- -> Zn(OH)42- K4 a) Sum of which...

Math
A garden is edged with landscaping tiles that are 9.2 cm wide. The length of the garden is 6.2 m and the width of the garden is 5.6 m. What is the perimeter of the garden inside the landscaping tiles, to the nearest tenth of a meter?

Math
The cash in the school canteen contains x quarters and (30-x) dimes. If the total value of the coins is $5.85, how many of each kind of coins are there?

Math
A square piece of paper is folded in half to make a rectangle. The perimeter of the rectangle is 24.9 cm. What is the side length of the square piece of paper?

math - ans.check
I don't get the step!

math - ans.check
Given function G(x)=-7/8(45-x), find x to nearest tenth, when G(x)=15 ____________________________________ I'm stuck on this question,i tries on my own but i couldn't get it right, plz help! 15=-7/8(45-x) -8/7(15)=45-x (-17.1428..)=45-x -> stuck at this step. Thank ...

9th Grade Math
Naulluq is cutting ice blocks from the lake for her mothers drinking water tank. The cylindrical tank has a volume of 4x^2π. Once each block has melted, it will have a volume of 3x^2. How many blocks does she need to cut so that her mothers tank will be filled when the ...

Math
A full bottle of juice costs $2.00.If the cost of the juice is $1.50 more than the cost of the bottle, how much does the empty bottle cost? Hint: Answer is not 50 cents

Physics
0.0674

Math
How do you find the GCF from 55 + 22 = and rewrite the sum using the Distributive Property?

Algebra 2
By the way, I am in 7th grade and moved up so that's why I am in Alg.2

Algebra 2
Help. This is straight up confusing. You buy one shirt for $8 and Y hats for $4 each. You spend $16 how many hats can you buy?

math
The volume of cube I is 331 m^3 less than the volume of cube II. If an edge of cube I is 10 meters, an edge of cube II is A. 14 meters B. 13 meters C. 12 meters D. 11 meters

physics
Here, after 2s, velocity risses with about 3.6 km/hr so, 3.6/2 = 1.8 km/hr (1.8*1000)metre per second/(60*60)second =(5/10)m/s =0.5m/s

chemisty
Consider the following unbalanced equation between copper(I) ions and iron to produce copper metal and iron(II) ions: Cu+ + Fe → Cu + Fe2+ What is oxidized in this reaction? A) copper(I) ion B) iron C) copper D) iron(II) ion

algebra
(2/3)X-4Y=8 -4X+24Y=32 FIND THE VALUE OF X

Chemistry
H2 (g) + I2 (g) 2 HI (g) If the initial concentrations of H2 and I2 are 1.0 M and the initial concentration of HI is 0.5 M (Kc = 54.3 at 430oC). (a) Is the reaction at equilibrium? (b) If not, which way will the reaction proceed?

physics
A 750 kg rocket accelerates straight upward from the ground at 60 m/s2. What is the force (thrust) provided by the engine? with a gravitational pull of 10 m/s2 down

informal logic
If an argument does not commit a fallacy, it is

physics
A soccer ball is kicked from the ground with an initial speed of 18.9 m/s at an upward angle of 47.0˚. A player 54.4 m away in the direction of the kick starts running to meet the ball at that instant. What must be his average speed if he is to meet the ball just before ...

psy
Psychologists generally agree that developmental change is characterized by (Points : 1) mostly continuous development. mostly discontinuous development. both continuous and discontinuous development. neither continuous nor discontinuous development.

psy
Information-processing theory sees development as a (Points : 1) gradual increase in abilities like memory. three-step recognition process. stage of formal operations. computer hard drive that needs to be periodically upgraded.

psy
After watching golf on TV several times with her father, 7-year-old Michelle learned how to swing a club even before she actually had one in her hands. What kind of learning took place? (Points : 1) Operant Conditioning Social Learning Classical Conditioning Cognitive Awareness

English 12
I think I want to write about the lack of communication between 90 yr old Hagar (between herself, Marvin, and Doris) and also in her past (with her father, Bram, her 2 sons, specifically her lack of emotion and saying simple things like I love you) telling them how she really ...

English 12
I have to write an essay on a book called "The Stone Angel" by Margaret Lawrence, for anyone that knows the novel there is a clear message about communication, or lack there of, and things on relationships, having issues starting the essay, would appreciate any help ...

Physics
If a vehicle starts at 31 km/h and only travels 4.7m in 1.1 seconds due to deceleration, how fast is it going after 1.1 seconds?

math
marty ate 4/6 of his pizza and luis ate 5/6 of his pizza. marty ate more pizza than luis. how is this possible?

chemistry
Which one is greater in terms of number of atoms Na or S. Which one is greater in terms of mass, a mole of Na atoms or a mole of S atoms.

chemistry
Calculate the number of moles of Cl atoms in 1.81×10e24 formula units of magnesium chloride,MgCl2.

Chemistry
If the initial pressures of the H2 and N2 in the flasks in the figure below were instead 350. torr and 160. torr, respectively, what would be the final pressure after the stopcock is opened? Left side of stopcock= 2.00L H2 Right side of stopcock= 1.00L N2

math
The answer is 79

Math
If a 3/8" drill bit is rotating clockwise at 1300 RPM and the bit shatters, at what speed will the projectile be traveling outward?

statistics for behavioral sciences
In a one- to two-page Microsoft Word document, for each hypothesis listed indicate: Whether the appropriate analysis would be a one-tailed test or a two-tailed test. A type I and type II error, given the context of the hypothesis. Hypothesis: The three treatments tested differ...

statistics for behavioral sciences
In a one- to two-page Microsoft Word document, for each hypothesis listed indicate: Whether the appropriate analysis would be a one-tailed test or a two-tailed test. A type I and type II error, given the context of the hypothesis. Hypothesis: The three treatments tested differ...

Math
But 54 and 16 doesnt equal 92

Math
Total of 92 students in the school band. There are 16 more girls than boys in the band. How many girls are in the band?

Geometry
You are given two segments, AB with AB = 4 and CD with CD = 7. You want to construct a new segment, EF with EF = 1. If you can use only congruent-segments construction, explain how you would use AB and CD to construct EF.

physics
A person wearing a safety belt can withstand an acceleration of -3.0E2 m/s2. How thick should barriers be to safely stop a car that hits a barrier at 97 km/h?

Math
Convert to a scientific notation: 0.000243

chemistry
How many water molecules are in a 0.265 g sample?

Agriculture marketing
How can you use the Futures Market Information for “store or not to store” decision when it comes to grains?

Agriculture Econ
What is the relationship between the price elasticity & the total revenue received by produces of a commodity

statistics, find the probability
When I computed this, it came out very oddly.. The C is throwing me off. cNr?

statistics, find the probability
It is known that 77% of all new products introduced in grocery stores fail (are taken off the market) within 2 years. If a grocery store chain introduces 62 new products, find the following probabilities. (Round your answers to four decimal places.) (d) within 2 years fewer ...

statistics
It is known that 77% of all new products introduced in grocery stores fail (are taken off the market) within 2 years. If a grocery store chain introduces 62 new products, find the following probabilities. (Round your answers to four decimal places.) (d) within 2 years fewer ...

math
what is 1 plus 1

math
change 2.5% to a ratio expression

Math
If the addition of 2,000 joules of heat to 10 kilograms of a substance raises it's temperature 2 degrees,the specific heat of the substance is. a. 0.01j/kg degrees. b. 0.2j/kg degrees. c. 50 j/kg degrees d. 100 j/kg degrees e. 200j j/kg degrees

Math
A satellite moving in a circular orbit with respect to the earth's center experiences a gravitational force. If the satellite is put into a new circular orbit of smaller radius, how will the gravitational force and the speed of the satellite change ,if at all?

Math
Two small conducting spheres are identical except that sphere x has a charge of -10 micro coulombs and sphere y has a charge of + 6 micro coulombs . After the spheres are brought in contact and then separated,what is the charge on each sphere ,in micro coulombs ?

Us History
I need help with this foreign policy thematic essay

college algebra
- 300 represents the fixed cost which rmains the same regardless of x

algebra
A university bookstore recently sold a wirebound graph-paper notebook for $0.88, and a college-ruled notebook for $2.38. At the start of spring semester, a combination of 50 of these notebooks were sold for a total of $59.00. How many of each type were sold?

Pre-Calculus
3091 N

Math
The number 4641 can be expressed as the product of two 2-digit whole numbers. What is the sum of these two numbers?

Language arts
That would correct the sentence but how would you describe this sentence as is?

Language arts
Looking at it as a incomplete sentence but it has an indenpendent clause, the "lots of things to do" is what confuses me.

Language arts
What kind of sentence is: The state park in the rocky mountains is beautiful, lots of things to do.

physics
11600

Math
Is the time you take to go to the library a function of the distance to the library? I think it's not a function

Math
Troy spends the same amount of time playing violin, studying, and walking. For a total of 80 hours, how many minutes does he spend doing each activity?

Chemistry
answer is 4

Financing
Reflect on the code of ethics for professional practice. What is your philosophy of financial planning? How do you see yourself carrying out your philosophy in your professional practice?

Transitional Math
Richard took a loan of $10000 at a rate of 5%. If he paid $2500 in interest, how long did it take him to pay off the loan?

collage physics
a block of wood rest on a plane incline at 35 degrees to the horizontal.if the coefficient of the static friction between the surface is 0.45.determine: a) what is the horizontal force that must be applied to the block to initiate motion up the plane b)the horizontal force ...

math
21

math
If the radius and diameter of a sphere were measured in inches, then the surface area would be measured in

Financing
Reflect on your experience with investing. What type of investments do you currently own/manage? What decisions are you responsible for making in regard to management of the investments? At this time, how comfortable are you with advising others on selecting investments? How ...

Geometry
Given: UR=VW Prove: UV=RW(Midpoint) Given: angleABE=angleDBC(Bisectors) Prove: angleABD=angleCBE

Reading/novel study
Page 23

Law
A man was jogging with his puppy along a busy local street, there was house construction happening near by and the jogger stepped on a fairly large piece of concrete (4 by 3 in) which blended into the sidewalk well that was without a doubt from the construction site. He hurt ...

Law
A man was jogging with his puppy along a busy local street, there was house construction happening near by and the jogger stepped on a fairly large piece of concrete (4 by 3 in) which blended into the sidewalk well that was without a doubt from the construction site. He hurt ...

Consumer affairs and business
”.Reflect on how you would work with a client to advise them on the importance of insurance to manage risk. How would you address their reluctance to spend money on premiums when they may never file a claim? Refer to course content in your reflection (If I can get some ...

Geometry
That's what i'm trying to find. I gave the answer choices.

Geometry
If the measures of two complementary angles are in the ratio 1:5, the measure of the larger angle is: A)75 B)144 C)150 D)72

math
In equilateral triangle ABC, AB=3x and BC= 2x=12. Find the numerical value of the perimeter of ABC.

math
Which of the following is a disjunction? Angela is forty-three. Lisa will run a marathon and Lisa will compete in a triathlon. Paul is at school or Paul is at home. A spuare has four sides and four angles.

math
18=6-y Subtract 6 from both sides you get 12=-y since your "y" cannot be negative your going to divide by -1 on both sides. you then have -12=y if you were to check this, this is how it would look 18=6-(-12) 18=6+12 18=18

Algebra: please check
You set it up right. Don't forget your plugging in for x and y and you need to finish this. So your equation would be -2=1/3(1)+b B would be your unknown y-intercept. But this is not in slope-intercept form So now you need to solve for b. -2=1/3(1)+b -2=1/3+b subtract 1/3 ...

radicals
multiply. assume that expressions under radicals are non negative. √x+3 * √x-3

The Slave Trade
Was the slave trade a necessary evil?

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