# Posts by nick

Total # Posts: 1,306

college
I have initial and final gauge length and diameter and also have max load. Now i have to draw stress strain diagram. I know how to draw that graph but i a not provided with failure load or yield load so i am not sure how to graph. Appreciate any help. Thanx in advance

Chemistry
(50g)(0.107 cal/g degreesC)(tfinal-15C) +(25g)(1.000 cal/g degreesC)(tfinal-45C) is this correct

Chemistry
what is the final temp of the combination when 50 grams of chromium at 15 degrees celcius is added to 25 milliliters of water at 45 degrees celcius?

trigo
sin 47 degree 29 minutes = x/4728 x=4728(sin 47 degrees 29 minutes) x=3484.92m cos 47 degree 29 minutes= y / 4728 y= 4728(cos 47 degrees 29 minutes) y= 3195.20 m Am i correct?

Your boss wants to send a brief email message welcoming employees recently transferred to your department from your Hong Kong branch. They all speak English, but your boss asks you to review his message for clarity. What would you suggest your boss change in the following ...

Physics
Agree with Charlie, but try finding the net force and use Newton's 2nd law maybe.

English
So you go to Keystone Online Highschool? 9th grade? Me too. These answers were very helpful in me constructing my own answers. And you made many spelling errors, you also only had 1 space instead of 2 spaces after a period in many places. You should try putting your papers ...

Management
How is control related to planning, leadership, and to organizing? I know what the definition of control means in management. I just do not understand how control is related to planning, leadership, and organizing.

algebra 2
can somebody tell me how I am to solve this problem? x+8)(x-19)(x+3)>0 A. The solution set is {x|___} B. The solution is all real numbers. C. There is no solution.

PARTICLE PHYSICS
particle A has a mass of 2 and a charge of -1. particle B has a mass of 2 and a charge of +1. are particle A and particle B necessarily antiparticles? explain your answer

physics
19.6

Chemistry
15. What volume of NH3 at STP is produced if 25.0g of N2 is reacted with an excess of hydrogen gas? N2 + 3H2 →2NH3

fluid mechanics
I have got differential pressure from an inclined manometer to be 2.8kPa and density of the fluid is 784kg/m^3. I need to calculate the manometer datum height. how do i do tht?? i already did it using formula pressure=density*g*h but i want ans to be 0.165 meters which i dnt ...

fluid mechanics
yes i used the ame formula but didn't get the correct ans. cn u help me solve it. i want ans to be 6.5 inch (0.165 meters).

fluid mechanics
I have got differential pressure from an inclined manometer to be 2.8kPa and density of the fluid is 784kg/m^3. I need to calculate the manometer datum height. how do i do tht?? thnx for the help in advance.

Math Algebra 1a
Soybean meal is 18% protein, cornmeal is 9% protein. How many pounds of each should be mixed together in order to get a 360-lb mixture that is 10% protein? Cornmeal-how many pounds:__________ Soybean meal-how many pounds:______

m/c
sample statistic

Geometery
How would I calculate the perimeter of a hexagon (which can be divided into 6 congruent equilateral triangles) which is inside a circle with an area of 314^2 cm? Many thanks

Math
How would I calculate the perimeter of a hexagon (which can be divided into 6 congruent equilateral triangles) which is inside a circle with an area of 314^2 cm? Many thanks

Algebra
Hi, how would I factorise x^2-100?

College Chemistry
A spherical rubber balloon has an initial thickness of 0.45mm, and diameter 250mm. Final diameter of 1000mm. Find final thickness, true stress in the plane of the balloon wall, Air pressure required. (Assume rubber is idea and obeys Guassian statistics, and take the shear ...

Chemistry
A spherical rubber balloon has an initial thickness of 0.45mm, and diameter 250mm. Final diameter of 1000mm. Find final thickness, true stress in the plane of the balloon wall, Air pressure required. (Assume rubber is idea and obeys Guassian statistics, and take the shear ...

polymer chemistry
A spherical rubber balloon has an initial thickness of 0.45mm, and diameter 250mm. Final diameter of 1000mm. Find final thickness, true stress in the plane of the balloon wall, Air pressure required. (Assume rubber is idea and obeys Guassian statistics, and take the shear ...

chemistry
A spherical rubber balloon has an initial thickness of 0.45mm, and diameter 250mm. Final diameter of 1000mm. Find final thickness, true stress in the plane of the balloon wall, Air pressure required. (Assume rubber is idea and obeys Guassian statistics, and take the shear ...

math
A sheet of plywood measures 4 feet by 8 feet. Armand wants to build a dog house using one whole sheet of plywood for the floor. a. Armand needs to put a "2 by 4" under the outer edges all the way around the floor, and another "2 by 4" that runs down the ...

Chemistry 102
For a question like “calculate the pH of an aq.solution that is 1.0 M CH3COOH and 1.0 M CH3COONa, how do you know to write the equation like this: CH3COOH + H2O => H3O+ + CH3COO- and not like H3O+ + CH3COO- => CH3COOH + H2O for the ICE chart. This would switch the ...

chemistry
SO2 (5.00 g) and CO2 (5.00 g) were placed in a 750.0 mL container at 50.0 °C. The partial pressure of CO2 in the container was __________ atm.

Physics
given; r2 = 0.05 m r1 = 0.01 m Q = 10 liters/min = 10 E-3/60 = 1.67 E-4 m³/s P2 = 10^5 Pa ρ = 1000 kg/m³ no. # (a) Q = (A2)(v2) Q = π(r2)²)(v2) 1.67 E-4 = π(0.05)²)(v2) V2 = 0.0212 m/s no. # (b) V1 = (r2/r1)² (V2) = (5/1)² (0.0212) ...

Physics
A) V1= 10L/((pie)(.05^2)(1000)(60))=.0212m/s B) V2= 10L/((pie)(.01^2)(1000)(60)=.5307m/s C)P=P1 - P2 = 1000*[(.0212)²/2 - (.5307)²/2] P1 - P2 = 140.5 Pa P2 = 10^5 - 140.5 = 99859.5 Pa.

Math 102
if you have a pizza with a diameter of 20 that is cut equally into 4 pieces, one way horizontal and one way vertical. how do i figure out where to place 2 non-center vertical cuts so that the pizza has 8 equal parts? i found the area for the circle to be 314.159 (divided by 8...

Find the numbers that each letter stands for in the problem below. EFGH X 4 = HGFE E= F= G= H=

Science
That depends on the density of the object along with bouyancy. A 2g rock will sink in water whereas a 2000 kg boat will not (if made right). It doesnt matter what something weighs. An object floats because it displaces an amount of water equal to or more than its own weight. A...

math
Essentially you look for key words. "At most", "no more than", "does not exceed", etc. would mean less than or equal too. Taking your example, if the cost is at most \$4857.95, then it could be less, but it cannot be more. When x is less than or ...

chemistry
I did the moles of Cl found/1 L = .00863. 1.8e-10 / .00863 = 2.1e-8 * 1 L = 2.1e-8 moles .0010 / 2.1e-8 = 47619 L*1000 mL / .5 but the answer comes out wrong=/

chemistry
ag2so4 ksp = 1.5 e10-5

chemistry
A certain municipal water sample contains 46.1 mg SO42-/L and 30.6 mg Cl -/L. How many drops (1 drop = 0.05 mL) of 0.0010 M AgNO3 must be added to 1.00 L of this water to just produce a precipitate? What will this precipitate be? how do i do this problem? agcl ksp = 1.8 e-10

Chemistry 102
A certain municipal water sample contains 46.1 mg SO42-/L and 30.6 mg Cl -/L. How many drops (1 drop = 0.05 mL) of 0.0010 M AgNO3 must be added to 1.00 L of this water to just produce a precipitate? What will this precipitate be? How do i start this question? please help

Chemistry 102
The Ksp for cerium iodate, Ce(IO3)3 is 3.2 e-10. What is the molar solubility of Ce ion in pure water? = .0019 M B) A 0.031 M sodium iodate is added as a common ion. What is the concentration of Ce ion with the common ion present? C) What is the ratio of the Ce ion with the ...

math
mix and match the shake sizes to equal using 3 cups

math
Liann works in the old time soda shoppe the shop sells shakes. a single shake uses 1/8 cup syrup, a double shake uses 1/4 cup syrup, a tripple milk shake uses 3/8 cup syrup. How many shakes can she make of each with 3 cups of syrup?

science
Given the following reaction, with Kp=1.05 at 250 degrees C what is Kc? The reaction is PCl5 to PCl3+Cl2

what is the tangent of pi/5, the cotangent of pi/7, and the co secant of pi/6?

Algebra II
I'm trying to factor this and I just can't figure it out. Help? r^4 s^4 - 81

calculus high school
Chain Rule with single variable: d/dx [3(2x-4)^2] =6(x-4)(2)=12x-48 Chain Rule with multiple variables: d/dx [3y^2] =6y(dy/dx) The y and the (x-4) terms serve a similar function. You technically use the chain rule all the time. The derivative of a variable, like x, is simply 1...

Geography

English

English

English

English
Identify the type of conjunction in the following sentence. We'll be able to eat when Grandma arrives. A)conjunctive adverb B)coordinating conjunction C)correlative conjunction D)subordinating conjunction

English
lolz thanks

English
sorry its someone

English
Type the correct personal pronoun in place of the noun or nouns in parentheses. I'm not sure it's a good idea to give the candy to (the children) ____? .

English
Identify the word in bold type. THIS is the dog I was telling you about. A)demonstrative pronoun B)indefinite pronoun C)interrogative pronoun D)relative pronoun E)not a pronoun

English
Type the correct pronoun in the box. Each of the students must give ___?___ presentation next Tuesday

English
sorry the word is dog

English
Identify the word in bold type. This is the dog I was telling you about. A)demonstrative pronoun B)indefinite pronoun C)interrogative pronoun D)relative pronoun E)not a pronoun

English
Identify the word in bold type. None of those bagels look fresh. A)demonstrative pronoun B)indefinite pronoun C)interrogative pronoun D)relative pronoun E)not a pronoun

English
Select the correct pronoun: "Go find ___ and say what you have to say." A)him B)he

chemistry
5.1 L

tickets for a school sell for \$8 for floor seats and \$6 for balcony seats. For one performance 72 tickets were sold, bringing in \$516. how many tickets were sold

math
what percent of 300 is 60 F)20% G)50% H)2% J)5% i think I'm just doing it wrong because i got (180) and then the 2 time i got (500) so do you mind telling me what Am doing wrong

math
but i get 4/5 then the answer would be k then right

math
oh oh i just thought that it would be f cause it's just .5 off

math
what percent of 80 is 32 F)25% G)2.5% H)0.4% J)40% K)none i got 25.6% what is it then

science
Liters and milliters are used for measuring?

science
mass is usually measured in?

Science
Which foods contain solids,liquids, and gases?

science
Which foods contain solids,liquids, and gases?

World HIstory
What is the Rescue of Dunkirk?

biology
its know that high plumage color in birds causes then to compete for nests better than dull birds. how does the hypothesis that males with high plumage color make offspring high plumage color support the first statement?

chemistry
A dilute sulfuric acid solution that is 3.39 molality H2SO4 has a density of 1.18 g/mL. How many moles of H2SO4 are there in 375 mL of this solution?

Chemistry
its m = molal

Chemistry
A dilute sulfuric acid solution that is 3.39 m H2SO4 has a density of 1.18 g/mL. How many moles of H2SO4 are there in 375 mL of this solution? 3.39 is 3.39 Molality not molarity

world history
how did japan and china feel about the europeans

MATH
M + 6 = 4XM M=? ON A COORDINATE GRIDE, WHAT IS THE DISTANCE FROM A(4,9) TO B (4,3)

math
using 1,2,3,4 only one time and must equal 29

history
how does this answer what i put

history
A formal, systematic essay or book on some subject is called a

Chemistry
If you have 108 grams of Al and 108 grams of O subscript 2 which reactant is the limiting reactant?

Chemistry
If you have 4.00 moles Al(aluminum), how many moles of O (oxygen)subscript 2 are needed for a complete reaction?

Science
A tiltmeter is a volcanic monitoring tool that measures _____. a)vibrations and tremors in the ground b)smoke plumes c)ground swelling d)water levels do you mind exp it a little bit better thanks

World Geography
thanks a lot

World Geography
please Write a short essay comparing the ways in which command economies and market economies affect a worker's life? or if you want exp it a little better to me.

social studies
how did china and Japan feel about the europeans moving westward

prealgebra
3/5y+8 ------ 3/5y-8 simplify

prealgebra
3/5y+8 ------ 3/5y-8 simplify

Science -CLIMATE
Explain how different temperatures on earth create winds.

geometry
what is a quadrilateral shape with adjacent sides not equal; 2 pairs of conguent sides; 4 right angles?

algebra
Simplify 5-3(x-1) what are the steps?

science
why don't earthquakes form on the san andreas fault?

Literature
It was very well written, I hope you got a good grade.

Math
The sum of my two digits is 13. I am not divisible by 2. List all possible numbers I could be.

Trigonometry
these values right? tan theta=2/3 sec theta=Squareroot(13)/3 sine=2xSquareroot(13)/13 Cos=3xSquareroot(13)/13 Tan=2/3 Cosecant=Square root (13)/2 Secant=Squareroot(3)/3 Cotangent=3/2

spanish 2
were learning about affirmative/negative usted/tu commands and on the model it says "Tenemos pelo sucio. (el perfume)" and then the answer is "no lo compren" why compren, why not compre?

geometry
the measure of two sides of a triangle are 15 and 18. Between what two numbers must the measure of the third side fall?

x=6. it's pretty simple haha.

Analytic Geometry
x^2-y^2-6x+8y-3=0 Find the center vertices, foci, and asymptotes for the hyperbola.

algebra
Yes, I agree. I have used synthetic division to solve for 3+i and 3-i, giving me two answers. But because the highest degree of exponents is x^4 then I can expect to find four answers right?

chemistry
If a compound's empirical formula is CH2O and its' formula mass is 120.12 amu, what is its' molecular formula

Math
Three neighbors are sharing a rectangular strip of land fir a garden. They divide the land into 24 equal-sized pieces. What fraction of the land does each person get if they share it equally? Write the answer in more than one way

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