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August 3, 2015

Posts by J


Total # Posts: 786

algebra
solve for v: p = mv explain how to get the answer and what the answer is please
September 25, 2010

algebra
solve for d: s= d/t HELP EXPLAIN HOW TO DO THIS PLEASE
September 25, 2010

algebra
solve for m: F = ma someone tell me how to do this please!!!!!
September 25, 2010

algebra
will someone tell me what the answer is to this problem? and how they got the answer? SO CONFUSED solve for x: y = mx + b
September 25, 2010

icp
Charge q is 1 unit of distance away from the source charge S. Charge p is six times further away. The force exerted between S and q is _____ the force exerted between S and p.
September 20, 2010

physics
Thanks guys!
September 19, 2010

physics
A 4kg object is subjected to two forces, F1=2Ni-3Nj, and F2=4Ni-11Nj. The object is at rest at the origin at t=0. What is the objects acceleration? I know you use F=m*a Do you add the two F vectors together & take the square root to find the sum of F? ex: Fnet=6Ni-14Nj & then ...
September 19, 2010

Physics
A wooden boxcar is moving along a straight railroad track at speed v1. A sniper fires a bullet (initial speed v2) at it from a high-powered rifle. The bullet passes though both lengthwise walls of the car, its entrance and exit holes being exactly opposite each as viewed from...
September 18, 2010

math
The diameters of ball bearings produced in a manufacturing process can be described using a uniform distribution over the interval 2.5 to 8.5 millimeters. What is the probability that a randomly selected ball bearing has a diameter less than 4.5 millimeters? a.0.38, b.0.28, c....
September 18, 2010

math
Write and solve an equation to model the situation: two friends are renting an apartment. they pay the landlord the first months rent. the landlord also requires them to pay an additional half of a month's rent for a security deposit. the total amount they pay the landlord...
September 16, 2010

math
5-x-x=-1 will someone please tell me how do do this problem?
September 16, 2010

physics
A steam catapult launches a jet aircraft (from rest) from the aircraft carrier John C. Stennis, giving it a speed of 160 mi/h in 2.40 s. Find the average acceleration of the plane. Assuming that the acceleration is constant, find the distance the plane moves.
September 16, 2010

physics
A truck covers 40.0 m in 7.00 s while smoothly slowing down to a final velocity of 2.45 m/s. Find the truck's original speed. Find its acceleration.
September 16, 2010

physics
original speed and acceleration
September 16, 2010

physics
A truck covers 40.0 m in 7.00 s while smoothly slowing down to a final velocity of 2.45 m/s.
September 16, 2010

physics
A certain car is capable of accelerating at a rate of +0.90 m/s2. How long does it take for this car to go from a speed of 35 mi/h to a speed of 70 mi/h?
September 15, 2010

spanish
Que te gusta hacer? Will someone give me some possible answers for this question?
September 15, 2010

physics
A certain car is capable of accelerating at a rate of +0.50 m/s2. How long does it take for this car to go from a speed of 45 mi/h to a speed of 85 mi/h?
September 14, 2010

spanish
what does "contesta estas preguntas sobre ti, tu familia, y tus amigos" mean. does it mean answer the questions about yourself, your family, and your friends? does that mean i have to have 3 sentances for each question.
September 14, 2010

chemistry
Describe how to prepare 1 liter of 0.5N solution of HCl from concentrated HCl. H=1, Cl=35.5, spgr=1.19, 37.2%
September 7, 2010

science
How many ml of concetrated HCl are required to make 2 liters of 3N HCl from concentrated HCl that is 37% w/v and has a specific gravity of 1.2. H=1 Cl=35.5
September 7, 2010

chemistry
How do I convert 10 g CaCl2 to CaCl2.10H2O?
September 5, 2010

chemistry
You wish to prepare a 10% CaCl2 solution. Only CaCl2 * 10H2O is availalbe. How many grams of the hydrated compound are required for 250ml of the reagent? Ca=40 Cl=35.5
September 5, 2010

chemistry
How do i convert g CaCl2 to g CaCl2*H2O?
September 5, 2010

chemistry
500ml of 0.1M CaCl2 is required for protimes. How many grams of CaCl2 * H2O should you weight out?
September 5, 2010

math
Still confused. How do you write out the linear range of a set of data points. R=???
September 3, 2010

math
I have a graph plotted which makes a straight line (linear graph) The points are as follows X , Y (.25, 0.593) (.50, 1.161) (.75, 1.762) (1.0, 2.348) I need to determine the linear range. Also, can Beer's Law be applied?
September 3, 2010

College Math
farmer wishes to fence a rectangular area along the river bank. No fence is required on the side adjacent to the river. The material for the fence costs P16.00 per meter for the side parallel to the river, P12.00 per meter for the side perpendicular to the river. The farmer ...
August 25, 2010

Math
You need to replace the molding around a floor that is 15 ft. long & 23 ft. 6 in. wide. The molding sells for $0.50 per ft.. How much will the molding cost?
August 18, 2010

chemistry
A solution is made by mixing 35.0 mL of toluene C6H5CH3d=0867gmL with 125.0 mL of benzene C6H6d=0874gmL. Assuming that the volumes add upon mixing, the molarity (M) and molality (m) of the toluene are so the L of solution is...? 35ml + 125ml and then converting to L??
June 24, 2010

chemistry
The solubility of borax is directly proportional to temperature. Therefore, the sign of H is A. negative B. positive C. unknown with the given information is the answer b?
June 24, 2010

chemistry
A solution is made by mixing 35.0 mL of toluene C6H5CH3d=0867gmL with 125.0 mL of benzene C6H6d=0874gmL. Assuming that the volumes add upon mixing, the molarity (M) and molality (m) of the toluene are how do you find the L of SOLUTION
June 24, 2010

matth
a tourist in framce wasnts to visit 5 different cities. if the route is ransomly selested what is the probability that she will visit ciites in alphabetical order
June 21, 2010

biology
I'm not really sure but I think its a. Because transcription, which is the synthesis of the mRNA, occurs earlier than the other options, not producing mRNA would prevent other steps to happen. Each step causes energy and transcription regulation saves the most.
June 20, 2010

math
Justin had 44 dollars before spending n dollars on jeans. How much money remains?
June 18, 2010

chemistry
242.80 mL
June 18, 2010

COM 220
I was looking for help with my research paper on Global warming
June 18, 2010

BIOLOGY
They are seedless because the seeds were "aborted" when still small (check the wikipedia site Parthenocarpy.) Parthenocarpic plants can no longer reproduce
June 16, 2010

CHM 152
A solution is prepared by dissolving 23.7 g of Ca in 375 g of water. The density of the resulting solution is density of 1.05 g/ml
June 10, 2010

physics
A plane flies at 1.25 times the speed. It's sonic boom reaches aman on the ground 1.00 min after the plan passes directly overhead.What is the altitude of the plane? Assume the speed of sound to be 330m/s.
June 10, 2010

consumer math
2,900
May 24, 2010

Math/Albebra
x^2+y^2=25
May 16, 2010

Y
what is an arrangement of quantities whose positions are based upon the natural numbers
May 13, 2010

Unit Cells
what does the pi stand for?
May 9, 2010

math
2x/5-x/3=3 2x[3]-5[x]=3 6x-5x=3 x=3
May 5, 2010

Math
6.30* 8.5/100 = 0.54 I THINK SO THATS THE BEST I CAN DO. U ARE PROBABLY SAYING U CAN DO THIS FOR URSELF BUT I DONOT KNOW ANY OTHER WAY.
May 4, 2010

P.O.B
NAME FOUR DEPARTMENTS OF A TYPICAL BUSINESS AND ONE FUNCTION OF EACH
May 4, 2010

Chemistry
I THINK SO. BECAUSE IN THIS CASE U WILL KNOW WHICH ONE IS STRONG OR WEAK
May 4, 2010

Language arts
the verb is plans as sara said and also to visit(the verb to be)
May 4, 2010

general
11.30% is correct
May 4, 2010

english
thank u sra. MAY GOD Bless
May 3, 2010

Math Check
3/x+ 2/x-4 = 3(x-4)+ 2(x)=0 3x-12+2x=0 3x+2x=12 5x=12 x=12-5 x=7 or only if you cross multiply the 3*x-4 which is 3x-12 and put it equal to 2*x which is 2x that could work.
May 1, 2010

Math
2(7)-3(-3)-4(-1) 14+9+4= 27
April 30, 2010

Math
815*20/10 =1630
April 16, 2010

Math
A car travels 815 km in 10 days. at this rate, how far would it travel in 20 days?
April 16, 2010

Science
I have a what looks to be a silver or platinum ring, it has a diamond chip, but not a full diamond to my knowledge. Inside it is marked with a star then 10k. The star might have something in it but its hard to tell.
April 13, 2010

managerial economics
A firm uses a single plant with costs C= 160 +16Q +.1Q2 and faces the price equation P= 96 – .4Q. a) Find the firm’s profit-maximizing price and quantity. What is the profit? b) The firm’s production manager claims that the firm’s average cost of production...
April 11, 2010

physics
A 1000m3 rocket weighing 2.0x10^3 kg is going to be launched into space. On ignition, gas is expelled from the bottom of the rocket at a speed of 2.4x10^3 m/s relative to the rocket. The rate at which the fuel is consumed is 8.02kg/s. Is there a time delay between ignition and...
March 31, 2010

Calculus
I'm not understanding how you're getting tanTheta as x/20. Tan is opposite/adjacent is it not? Which would make it tanTheta = 15/20
March 30, 2010

physics
4.95 m
March 28, 2010

spanish
describe que llevas cuando estas en casa. como es diferente de la ropa que llevas a clases? can someone translate that for me?
March 22, 2010

economics
A New Hampshire resort offers year-around activities: in winter, skiing and other cold-weather activities; and in summer, golf, tennis, and hiking. The resort’s operating costs are essentially the same in winter and summer. Management charges higher nightly rates in the ...
March 21, 2010

accounting
sold 7500 shares of commond stick at $86 per share, received cash
March 19, 2010

College Physics
If you slam your finger in a car door how can you thank Coulomb's Law for the fact your finger wasn't chopped off? I don't understand.
March 14, 2010

Physics
If you slam your finger in a car door how can you thank Coulomb's Law for the fact your finger wasn't chopped off?
March 13, 2010

adult education
wtf
March 13, 2010

Physics
Come on! That's not the answer. There is something there that I am not getting why it would matter.
March 13, 2010

Physics
If you slam your finger in a car door how can you thank Coulomb's Law for the fact your finger wasn't chopped off?
March 13, 2010

MATH
13. 42 ft 14. 656 ft 15. 34 ft 16. 906 m
March 8, 2010

MATH
FOUND IT
March 4, 2010

MATH
i need to find the area
March 4, 2010

MATH
there is a triangle with a base of 2.4 m and both sides are 1.7 m. it is a right triangle. what the heck is the answer? i have an answer sheet and i know the answer is 41 but how do you get that answer?
March 4, 2010

Finance
An investment of $7,800 made March 31, 2001 pays $700 at the end of every six months for five years and pays $10,000 on March 31, 2006. What rate of interest was being earned every six months?
March 3, 2010

Math
How do you confirm this? 1500000 square miles to 7334000 square miles in six months is growing at about 22 square miles a minute.
February 25, 2010

physics
What factors directly affect how much air drag an object experiences?
February 21, 2010

geometry
Two angles are supplementary. They have measures of (7x+2) and (3x-2), respectively. What is the value of x?
February 18, 2010

CJS240
I have done that too, that is how I got the list that you gave me.
February 14, 2010

CJS240
I have looked at these sites and not finding anything here that is what i am looking for. For clarification, I am looking for how the juvenile justice system affects probation
February 14, 2010

CJS240
Need information on how probation can help in the rehabilitation of juveniles
February 14, 2010

college
400/50= 8 hours, now that I did your work for you 2nd grader, your welcome
February 11, 2010

physics
kb
February 11, 2010

science
is dilution of a solution the answer to acid or base pollution in this world? why?
February 10, 2010

chem
.070g caffeine dissolved in 4 mL water. caffeine is extracted from aqueous solution 3 times with 2mL portions of methylene chloride. calculate total amount of caffeine that can be extracted into the 3 portions. caffeine has a distribution coefficient of 4.6 between methylene ...
February 8, 2010

chem
.070g caffeine dissolved in 4 mL water. caffeine is extracted from aqueous solution 3 times with 2mL portions of methylene chloride. calculate total amount of caffeine that can be extracted into the 3 portions. caffeine has a distribution coefficient of 4.6 between methylene ...
February 8, 2010

algebra
a is a negative real number
February 7, 2010

chemistry
Using the volume 1.42mL of 95% ethyl alcohol that's required to dissolve 0.3g at 78 C, how do i find how much sulfanilamide that will remain in the mother liquor after the mixture is cooled to 0 C? (at 0 degrees=14mg/mL is the solubility) thanks
February 3, 2010

organ chem
Using the volume 1.42mL of 95% ethyl alcohol that's required to dissolve 0.3g at 78 C, how do i find how much sulfanilamide that will remain in the mother liquor after the mixture is cooled to 0 C? (at 0 degrees=14mg/mL is the solubility) thanks
February 3, 2010

Physics
200
February 1, 2010

SOC120
I am having much difficulty location information on Nigeria which is what I Chose. i cannot use wikipedia as this is not solid info
January 31, 2010

SOC120
• Compose a 200- to 300-word response to the following: • • Explain urban growth trends in the world’s poorest countries. What causes urbanization in poor countries? • • Choose a major city in a poor, developing country and research how ...
January 31, 2010

organ chem
Why is thymol only slightly soluble in water, but very soluble in 1.0 M NaOH?
January 31, 2010

english
gdf
January 31, 2010

math
Let g(x)=-x^2+4x+1 Find the following g(-1/x)
January 23, 2010

Math
1+1+1=3 cannot be written as a muliplication sentence because there is no equal groups. Do you agree? Explain.
January 21, 2010

spanish
what does it mean when it says... que clase de musica es la mas abburida? is that the type of music? like rock, or hip hop, or rap? that kind of question?
January 21, 2010

physics
A 1 kg block drops from a table and accelerates towards the floor at 10 m/s2. What is the force?
January 21, 2010

math
Are three collinear points are always also coplanar points.
January 20, 2010

english
He tends to worry people such as his mom, sister, and Sonia (Sofya). He also likes to make people think a lot such as Porifiry (spell check). That's all i can think of for now. I am also writing this essay haha
January 20, 2010

7th grade
(a+15)(a+7)
January 10, 2010

science
describe the relationship between an element's placement in the periodic table and the number of electrons in its outermost energy level
January 10, 2010

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