# Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 2x + 10y = 58 -14x + 8y = 140

91,718 questions, page 755
1. ## math

.divide AED 1380 among Ahmed John and Babita so that the amount Ahmed receives is 5 times as much as babita's share and its 3 times as much as John's share dear reiny i tried your way of doing it but i am unable to find it please help and my father gave me

asked by sim on February 15, 2016
2. ## stats

so the question is: the weights of fish in a certain lake are normally distributed with a mean of 10, a standard deviation of 6. if 4 fish are selected what is the probability that the mean weight will be between 7.6 and 13.6? so usually to find prob, we

asked by paul on October 25, 2015
3. ## Socials

This question is also on the same source. Do you think that this inquest led to improvements in the working conditions for climbing boys? Why or Why not? Of course, I definitely think that improvements were made in the working conditions for climbing boys.

asked by Sara on November 26, 2009
4. ## English

Please check my work. Correctly identifying the part of speech of each of the word in the sentence. The new mail carrier finally arrived. The (definite article) new (adjective) mail (adjective) carrier (noun) finally (adverb) arrived (past tense verb).

asked by Priya on July 19, 2011
5. ## help

Teachers sometimes want students to work together in order to complete an assignment or a task. Two common instructional methods used in the classroom are group investigation and cooperative learning. When is it appropriate to use group investigation in

asked by dawn on October 19, 2008
6. ## TRIGONOMETRY

Can you please help me with this question on my study guide for my trig final? Thanks! I'd also appreciate if you can check out my other postings and check my work for some other study guide questions. I want to make sure I'm ready for my final. :) 4.

asked by Kate on May 16, 2013
7. ## physics

Water skiers often ride to one side of the center line of a boat, as shown in the figure . In this case, the ski boat is traveling at 15 {\rm m}/{\rm s} and the tension in the rope is 76 N. If the boat does 3600 J of work on the skier in 53.6 m, what is

asked by Anonymous on April 3, 2011
8. ## Chemistry II

Consider the following balanced chemical equation: 3(NH4)2CrO4 + 4Al + 24HCl --> 3CrCl2 + 6NH4Cl + 4AlCl3 + 12H2O. a) How many moles of HCl would be required for the reaction of 0.0123 moles Al? b) How many grams Al would be required for the reaction of

asked by Rachel on August 26, 2013

Please help me ASAP!!!!!!!!!!!! I did the work on most of these problems but I am still confused please help. 19. Comparing Investments Russ McClelland, who is self-employed, wants to invest $60,000 in a pension plan. One investment offers 7% compounded asked by Phoebe on June 20, 2013 10. ## English Please check my work. Correctly identifying the part of speech of each of the word in the sentence. The new mail carrier finally arrived. The (definite article) new (adjective) mail (noun) carrier (noun) finally (adverb) arrived (past tense verb). asked by Priya on July 19, 2011 11. ## physics A 5.30 kg package slides 1.57 m down a long ramp that is inclined at 11.8^\circ below the horizontal. The coefficient of kinetic friction between the package and the ramp is mu_k = 0.320 Calculate the work done on the package by the normal force. If the asked by alaa on November 27, 2011 12. ## English We usually think volunteer work takes up a lot of time. But just a little time and effort can be a big help to others. For example, you can be a big brother or sister to young children in an orphanage. You can help people take care of old people in the asked by rfvv on November 25, 2009 13. ## partial differentiation u(x,y)=xln(x^2+y^2)-(2y times inverse of tan of y/x) 1)find derivative of u wrt to x and then wrt y 2)show that (x times derivative of u wrt x)+(y times derivative of u wrt y) = u +2x asked by pakh on February 3, 2009 14. ## Math Use each of the numbers 7, 8, 9, 10, and 11 once and only once to fill in the circles so that the sum of the numbers in the three horizontal circles equals the sum of the numbers in the three vertical circles. Of the three possible solutions, which numbers asked by Kelly on October 21, 2009 15. ## physics A 1.54×10 3 kg car accelerates uniformly from rest to 12.7 m/s in 2.97 s. What is the work done on the car in this time interval? Answer in units of J 002 (part 2 of 2) 10.0 points What is the power delivered by the engine in this time interval? Answer in asked by Anonymous on November 8, 2012 16. ## physics A block rests on a horizontal frictionless surface. A string is attached to the block, and is pulled with a force of 60.0 N at an angle θ above the horizontal. After the block is pulled through a distance of 2.00 m, its speed is 2.70 m/s, and 43.0 J of asked by Jake on February 25, 2014 17. ## American Literature How do you think Ralph Waldo Emerson, author of "Concord Hymn" , to Thomas Paine's arguments and his writing style? Well from what I could understand from Emerson's work, he would like Paine's arguments and writing style, i think. I don't know if this is asked by Anonymous on October 20, 2011 18. ## physics I need help confirming my answers: 1) The work done on an electric charge equals a) IR b)q/t c)Vq d) It I think it's C.(Vq) 2) The direction of an electric field is the direction that a ___ test charge will move when placed in the field. a)negative b) asked by Katie on April 7, 2011 19. ## chemistry i am given 2.60*10 to the 15th power short tons (which 1 short ton equals to 2000 lb) and i am suppose to convert that into metric tons in which I have that( 1 metric ton equals to 1000 kg) I need help in knowing the steps to work this problem out thanks asked by rosa on September 29, 2008 20. ## mechanics a metal cutting machine has a stroke of 0.7 m. the resistance to cutting varies uniformly from 850N at the beginning of the stroke to 1600N when the cutter has moved 0.5 m. for the last 0.2 m of the stroke the resistance is constant at 1600N. Calculate the asked by mayowa on April 29, 2014 21. ## trig e.g. tan 315 = -1, does that work in our equation ?? Yes, thank you again Reiny! My next question is to find sin theta and cos theta. cos 2theta = 1/3 and pi less than or equal to 2theta less than or equal to 2pi I hope Im not overburdening you with asked by Priya on May 1, 2008 22. ## Physics The volume of a gas is changed along the curved line between A and B in the drawing. Do not assume that the curved line is an isotherm or that the gas is ideal. pressure and volume are: 2.0x10^4 Pa and 2.0x10^(-3) m^3 (a) Find the magnitude of the work for asked by Aryiana on December 1, 2011 23. ## math A study shows that 6% of household appliances fail during any given year. If a person has 6 household appliances, what is the probability that exactly 2 of them will fail next year? (9/2)*.06^2*.94^7 this is how I worked it but it was wrong can you tell me asked by Alyseia on October 6, 2014 24. ## physics help I need help confirming my answers: 1) The work done on an electric charge equals a) IR b)q/t c)Vq d) It I think it's C.(Vq) 2) The direction of an electric field is the direction that a ___ test charge will move when placed in the field. a)negative b) asked by Katie on April 10, 2011 25. ## Physics A)A block rests on a horizontal frictionless surface. A string is attached to the block, and is pulled with a force of 60.0 N at an angle θ above the horizontal. After the block is pulled through a distance of 2.00 m, its speed is 2.70 m/s, and 43.0 J of asked by Tsion on February 26, 2014 26. ## pschology You have received a notice from the principal of the school that a program of tangible rewards (buttons, stickers, starts, bags of popcorn, cookies) is being considered. The notice compares tangible rewards of the children with the pay adults get for work. asked by Anonymous on November 8, 2012 27. ## Personal Finance The Hernandez family is experiencing some financial pressures, even though the couple has a combined income of$66,000. Also, their eldest son, Joseph, will start college in only three years. Maria is contemplating going to work full time to add about

asked by Marie on May 14, 2015
28. ## consumer math

Your parents are buying a house for $180,000. They have a good credit rating, are making a 20% down payment, and expect to pay$1,500/month. The interest rate for the motrgage is 4%. What must their realized income be before each month and how much

asked by jeanette on April 17, 2013
29. ## Science

1. A machine is supplied energy at a rate of 4,000 W and does useful work at a rate of 3,760 W. What's the efficiency of the machine? A. 92 percent B. 94 percent C. 97 percent D. 96 percent

asked by Anonymous on April 17, 2019
30. ## English

Another question regarding works cited in MLA style. I would like to put 2 photos in my work How do I do that? I cannot find anywhere how to put photos in MLA style. Thank you

asked by tee on December 3, 2010
31. ## Grammar

Select the correctly punctuated sentence: A) He said, "There but for the grace of God go I." B) He said "There but for the grace of God go I." C) He said, "There but for the grace of God go I". D) He said "There but for the grace of God go I". My answer is

asked by Marie on December 12, 2012
32. ## math

At a manufacturing company, 80% of the employees work on the assembly line. If there are 720 assembly-line workers, how many workers are there in the entire company?

asked by Anonymous on January 25, 2011
33. ## physics

1.How does a lightning rod work? What is the purpose of a lightning rod? 2.How does an electrically polarized object differ from an electrically charged object?

asked by beauty on January 24, 2011
34. ## Algebra

Can someone please check my work for me. Q: Plot the graph of the equations 2x - 3y = 5 and 4x - 6y = 21 and interpret the result. A: 6(2x ¨C 3y = 5) = 12x ¨C 18y = 30 3(4x - 6y = 21) = 12x - 18y = 63 12x ¨C 18y = 30 + 12x - 18y = 63 0 ¡Ù 93

asked by Kim on April 26, 2009
35. ## physical science

A machine is supplied energy at a rate of 4,000 W and does useful work at a rate of 3,760 W. What is the efficiency of the machine? A. 92 percent B. 94 percent C. 97 percent D. 96 percent

asked by Unmei on May 27, 2014
36. ## arithmetic

How does this work “Think of a #. Add 7. Double the result. Subtract 8. Double the result. Add 12. Divide by 4. Subtract 6. Your answer will be the original number.

asked by sam on January 21, 2010
37. ## Chemistry

A sample of toluene, C7H8 has a mass of 74.5 g. How many carbon atoms does it contain? How many hydrogen atoms does it contain? My work: I get 3.41 x 10^24 for carbon atoms And 3.90 x 10^24 for hydrogen atoms. Is this correct?

asked by Joyce on November 24, 2014
38. ## healthh

Keep a five day Journal about noticing people around you of all ages at home, school, work, or in TV or movies as to body size and weight and what your inner thoughts and reaction to them are. Do you find yourself making judgments or having

asked by Nani on August 10, 2015
39. ## Math

I have no idea how to solve this problem. Any help would be appreciated. Suppose rayBC bisects angleABE, and D is the interior of angleABC. If the measure of angleCBD=28° and the measure of angleABE=136°, find the measure of angleABD. Answer Choices: a.

asked by Anonymous on September 4, 2009
40. ## trig

list the period, amplitude, interval, and phase shift of: g(t)=5/2sint-pi i know the amplitude is 5/2 but everything else im not getting. the regular formula for these is y=Asin(Bx+C)+D A is the amplitude B is the period which you use (2pi/b) to solve. C

asked by farrah on July 28, 2010
41. ## Math

Each person in Sharae's family of 5 eats 3 bowls of cereal each week. Her mother is going grocery shopping and wants to know how many bowls of cereal they will eat over the next 4 weeks. Write and solve an equation to find how many bowls of cereal the

asked by Ashley on February 16, 2014
42. ## Calculus

A 18 ft ladder is leaning against a wall. If the top of the ladder slides down the wall at a rate of 3 ft/s, how fast (in ft/s) is the bottom moving along the ground when the bottom of the ladder is 9 ft from the wall? Also, this one. I have done the

asked by Meghan on April 14, 2018
43. ## algebra 2

Hi i posted this question: the general expression for consecutive multiples of 6 is 6N, 6(N + 1), 6(N +2), etc. find three consecutive multiples of 6 such that 4 times the first exceeds twice the third by 12. and than Bobpursley replied: Let N be the

asked by lana on July 18, 2007
44. ## precalculus

My book tells me to solve each exponential equation. I am given a lot of problems such as 6^x+1 = 4^2x-1 where I use In in the problem to help get my answer. However, in the same section, the book starts giving me problems such as 3(2)^x-2 +1=100 and

asked by marcus on November 21, 2012
45. ## Physics

-An object whose height is 5.8 cm is at a distance of 9.5 cm from a spherical concave mirror. Its image is real and has a height of 9.2 cm. Calculate the radius of curvature of the mirror. I got 0.1165 m for my answer. -How far from the mirror is it

asked by Lindsay on May 27, 2008
46. ## chemistry

Examine the scenario. A soda factory dissolves carbon dioxide (CO2) into water (H2O) as part of its manufacturing process. Which answer choice correctly categorizes the solution the soda factory is creating? liquid-gas gas-liquid liquid-liquid solid-liquid

47. ## Organic Chemistry

(i can't upload an image so i have to explain the spectrum) My spectrum has peaks at 0.85 ppm (integration = 1.49) 1.2 ppm (integration = 7.93) 1.5 ppm (integration = 1.11) 3.6 ppm (integration = 1) the only one that shows clear peaks is the one at 3.6

asked by Sarah on April 27, 2017
48. ## Physics HELP

How would I solve this problem? A plane travels 4300 m at an angle of 49 degrees to the ground, then changes direction and travels 6500 m at an angle of 21 degrees to the ground. What is the magnitude and direction of the planes tot displacement?

asked by Anonymous on November 15, 2015
49. ## maths

1. If the first and third of three consecutive odd integers are added, the result is 51 less than five times the second integer. Find the third integer. Let the 3 numbers be x, (x + 1) and (x + 2). Then, x + (x + 2) = 5(x + 1) - 51 Solve for x. We want

asked by francis on October 12, 2006
50. ## algebra

How would i solve this question? In 06, 74.2 million tax returns were filed electronically. This represents a 108% increase over the year 2005. How many income tax returns were filed electronically in 2005? Do I multiply 74.2 x 1.08?

asked by algebra on August 29, 2008
51. ## High School Math

Write an equation for the sentence below. Then solve the equation. Thirteen multiplied by h is one hundred and four. A. 13h = 104; 91 B. 104h = 13; mc011-1.jpg C. mc011-2.jpg; 1,352 D. 13h = 104; 8 I chose A and it;s not right could it be D

asked by Christine on October 3, 2012
52. ## Math

ln [5.01E-3] = ln(4.86E-2) - (1.80E-2s-1)(t s) Solve for t. t = 126 s First I did 4.86e-2 - 1.80e-2 and then on my calculator I pressed the 2nd button and then ln and got 1.031. Then I did the same thing to get the ln of 5.01e-3 and divided that by 1.031

asked by Hannah on March 8, 2012
53. ## Trig

Solve ABC if C=90 degrees, B=20 degrees, and b=10. Round measures of side to the nearest tenth and measures of angles to the nearest degree. So all I need to do for this problem is find A,a,c right? I know that A=70 b/c 90+20=110 and 180-110=70 but how do

asked by Jon on March 6, 2008
54. ## math

(4,-2) and (2,-8) lie on the line Ax-2By = 28. What is the value of A? SOMEONE PLEASE HELP ME!! THANK YOU SOOOO MUCH! 4,-2) and (2,-8) lie on the line Ax-2By = 28. What is the value of A? Put the points in. First one. A4-2B(-2)=28 4A+4B=28 A+B=7 call this

asked by Megan on August 23, 2006
55. ## Geometry Proofs

Trying to solve a proof. Triangle ABC. D is a point on side AC and E is a point on side BC. There is a line from Angle B to Point D and a line from Angle A to Point E. My Givens are AD = BE and BE>AE. I need to prove BC>AC. This is for my 7th grade

asked by Scott on April 30, 2017
56. ## science

rearrange this equation 2 make x the subect. 6y = 9 - 3x so first i add 3x to both sides which makes it 3x - 6y = 9 then do i divide both sides by 9 or wat?? can sum1 help me out here If they mean by "Make x the subject" the same as "Solve for x", then add

asked by missy on April 22, 2007
57. ## Physics

A gas with initial conditions p_i, V_i, and T_i expands isothermally until V_ f=6 V_i. What are (a) T_f and (b) p_f? in terms of T_f/T_i and P_f/P_i First I don't understand what this is saying at all. And Second I need to know how to solve it.

asked by Catie on August 13, 2011
58. ## math

The Randolph’s used 12 more gal of fuel oil in October than in September and twice as much oil in November as in September. If they used 132 gal for 3 months, how much was used during each month? Let the usage in the three months be S, O and N. O = S +

asked by cheryl on March 17, 2007
59. ## physics

A person pushes a 10 kg box from rest and accelerates it to a speed of 3.2 m/s with a constant force. If the box is pushed for a time of 2.6 s, what is the force exerted by the person? force*time=mass*changeinvelocity solve for force.

asked by mel on December 16, 2006
60. ## AP U.S. History

Between 1763 and 1789, the use and control of the frontier regions presented problems to both the British and the Americans. Describe the problems involved in the use and control of the frontier and explain how both the British and the Americans attempted

asked by Amanda on October 18, 2010
61. ## Chemistry

Calculate Activation Energy, Ea, for each of the reactions, above? ln(k)= -2.24x10^4(1/T)-1.8. The reactions are Step 1: 2H2 + N2 -> N2H4, Step 2: N2H4 + H2 -> 2NH3, Overall: 3H2 + N2 -> NH3. This is all the information i have. i Don't know how to solve

asked by Max on June 4, 2013
62. ## Math

An employee working at an electronics store earned $3582 for working 3 months during the summer. What did the employee earn for the first two months? I got$2388 I used a proportion and got 3582/3=x/2 solve for x then i divided 2388/3 and got my answer

asked by Jerald on October 16, 2013
63. ## History

1. Which group most benefit from new settlement in South Texas during the 1840s and 1850s A. Anglos B. Tejano patrons C. Enslaved African Americans D. German immigrants *** 2. What was the US Army solution to the long distances between Settlements and

asked by Anonymous on December 10, 2018
64. ## English

Check my answers please 9. The author of "My Brother's Keeper" mainly develops Jamie’s character through his actions *dialogue and thoughts the narrators description other’s reaction to him 10. In "My Brother's Keeper," what does Ted want Jamie to do

asked by Anonymous on September 30, 2013
65. ## Ray Optics

Hi, this is about thin film interference in ray optics. My book presents two similar problems, but somehow uses different paths for the same variable. I'll list out the given variables: --Problem A-- n1 < nf > n2, delta phase is therefore lambda over two.

asked by Justin on December 5, 2016
66. ## Jake1214

Let's say penicillin can kill the bacteria. After using it for 10 years, the bacteria developed resistance to penicillin, so no one is using penicillin anymore because it has no effect. After 15 years, reports have found that most of the bacteria loss the

asked by Antibotics - Resistance Evolution on December 19, 2007
67. ## Math

Bus A leaves interchange 6 minutes, Bus B leaves 12 minutes later, Bus C leaves 18 minutes later. If all buses leave at 6 am when will all 3 buses leave at the same time again. Kindly show workings and explantion to problem. Thank you

asked by Maggie on March 14, 2013
68. ## soc 120

1. The average height of members of the high scho etball team is six feet, three inches. Jerry is on the high school basketball team, so Jerry must be taller than six feet. The argument above is flawed because it confuses (Points : 1) Jerry with other

asked by maria on December 12, 2010
69. ## math

Bob has three sacks of apples and three more apples in his pocket. Each sack contains the same number of apples. Altogether, Bob has 33 apples. How many apples are in each sack? Solve with a Linear Equation is this right 3x+3=33 3x=30 30/3=10 x-5=10

asked by marie on November 21, 2009
70. ## Math

Solve the triangle for x. Side lengths are 9 feet, 8 feet, and 12 feet. x is the angle formed by the sides that are 9 feet and 8 feet long. a)41.8 degrees b)89.6 degrees** c)48.6 degrees d)90.4 degrees I’ve gotten both b and d, please help.

asked by Unknown on May 27, 2018
71. ## Precalc

Three zeroes of a fifth degree polynomial function are 1/3, 4 - 6i, and -2 + 11i. Determine the remaining zeroes of the function. 4 + 6i, -2 - 11i -1/3, 4 + 6i, 2 + 11i -4 + 6i, 2 - 11i 3, 4 + 6i, -2 - 11i Can I have some guidance for this please? I am

asked by Max on November 2, 2017
72. ## math

Consider the sequence of steps to solve the equation: 2(x − 4) + 6x = 9x − 10 Which step in solving this equation is justified by the Commutative Property of Addition? Given ⇒ 2(x − 4) + 6x = 9x − 10 Step 1 ⇒ 2x − 8 + 6x = 9x − 10 Step 2

asked by Anonymous on October 25, 2018
73. ## Organic Chemistry

So we did a preparation of t-pentyl Chloride experiment in class the other day using t-pentyl alcohol, HCL, Aqueous sodium Bicarbonate, and calcium chloride as the drying agent. Little confused on a few of these questions Aqueous sodium bicarbonate was

asked by BigBlue on October 20, 2013

A student ticket to a flower show costs $6.00 plus a 5% handling fee. The local schools receive a special group discount. A scholl can determine the total cost of tickets by using the formula below. T = Total cost N = Nmber of tickets purchased D = asked by Nathaniel on July 23, 2008 75. ## VB programming This problem is creating code for a line chart. - Write a program to create the line chart. Use Table in 9.6: Table 9.6] Two -year college enrollments (in thousands). 1960 1970 1980 1990 2000 ---------------------------------- Male 283 1375 2047 2233 2398 asked by Lee on December 1, 2010 76. ## science if the displacement of a particle varies with time as root of x= t+7, the a)velocity is inversely proportional to t b)velocity is proportional to square of t c)velocity is proportional to root of t d)particle moves with constant acceleration pls help...i asked by user001 on September 21, 2014 77. ## Diophantine Equations (Algebra 2) A box contains two sizes of bolts. The small size weighs 33 grams. The large size weighs 103 grams. The total weight of the bolts is 6526 grams. How many of each size are there? Can you write and solve it with Diophantine Equations. asked by Peter on September 30, 2011 78. ## Physics I have a problem where I've solved a and b. I need to solve c. It's a centripetal force problem. So far I have. v(speed)=2.5pi R(radius)=3.5 m(mass)=2 t(time)=2.8 Ac (centripetal acceleration)=17.62 How would I find tension? (Hint: The tension provides Fc) asked by Jill on November 17, 2009 79. ## Math A child's train ticket costs$x. An adult's ticket costs (x+5). Claudia buys 11 tickets. She spends $24 on children's tickets and$24 on adults tickets. Write down an equation in x and solve it to find the cost of a child's ticket.

asked by Ruchi on March 4, 2018
80. ## Chemistry

How much salt could an average person hold? (Ignore safety concerns) Given equation: 0.3x=y 0.3x meaning mass of water y mean mass of salt that could be dissolved in the given mass of water Assuming the average human body has 60-75% of water, let us just

asked by Juan on March 11, 2013
81. ## Math

Use similar triangle to solve. A person who is 6 feet tall standing 140 feet from the base of a tree and the tree casts a 150 foot shadow. The person's shadow is 10 feet in length. What is the height of the tree?

asked by Luis on November 17, 2015
82. ## math

How would you set up an equation to solve this problem? A clown weighs 60 lbs more than a trapeze artist. The trapeze artist weighs two thirds as much as the clown. How much does each weigh? Choices for the weight of the trapeze artist are: 110, 120, 125

asked by kelley on September 8, 2016
83. ## Microbiology

You need 3.5L of 50mM NaCl from your 20X stock. How would you accomplish this: 20X stock __________ml Pure Water ___________ml From whatever number I plugged in trying to solve it, I got: 175ml of 20X stock and 3,430ml of Pure Water. Have no idea if those

asked by John on March 27, 2013
84. ## chemistry

Calculate the vapor pressure lowering of water when 5.67 g of glucose, C6H12O6, is dissolved in 25.2 g of water at 25 ºC. The vapor pressure of water at 25º C is 23.8 mmHg. What is the vapor pressure of the solution?

asked by MJ on March 29, 2012
85. ## Algebra

The height , h, in feet, of a bottle rocket is modeled by: where t is the time in seconds. A. Factor the expression. B. What is the height of the rocket after 2 seconds? C. What is the height of the rocket after 3.75 seconds? Explain the solution.

asked by Anonymous on June 13, 2017
86. ## Chemistry

The freezing point of benzene is 5.5°C. What is the freezing point of a solution of 8.30 g of naphthalene (C10H8) in 320. g of benzene (Kf of benzene = 4.90°C/m)?

asked by Anonymous on February 11, 2015
87. ## Chemistry

How many moles of bromine are there in a 0.35 mL dichloromethane solution of 10% bromine? Density of Bromine = 3.10g/mL Density of dichloromethane = 1.33g/mL

asked by Nathan on January 24, 2013
88. ## Chemistry

What is the pH of a 0.25 M acetic acid solution if the Ka of acetic acid is 1.8 x 10-5? 2.67 0.60 5.34 11.33 I got A, 2.67. I think this is correct as well since acetic acid is a weaker acid and the ph # would make sense.

asked by Jason on June 14, 2018
89. ## Chemistry

The density of solution of sulfuric acid is 1.29 g/cm3, and it is 38.1% acid by mass. What is the mass, in grams, of 25.0 mL of sulfuric acid?

asked by Natalie on April 24, 2014

i. On February 27th, the company sold goods on account to CUSTOMER, $1,800. The goods had a cost of$900. Dungy uses a perpetual inventory system. ans--> A/R (debit) $1800 Sales (credit)$1800 Cost of Goods Sold (debit) $900 Merchandise Inventory (credit) asked by Thara on November 4, 2010 91. ## Thara i. On February 27th, the company sold goods on account to CUSTOMER,$1,800. The goods had a cost of $900. Dungy uses a perpetual inventory system. ans--> A/R (debit)$1800 Sales (credit) $1800 Cost of Goods Sold (debit)$900 Merchandise Inventory (credit)

asked by accounting on November 4, 2010
92. ## Stoichiometry problem

I'm stuck and am hoping you can help. Here is the problem: You react 7.92 grams of silver nitrate, AgNO3(aq), with an excess of sodium chloride, NaCl(aq). How many grams of silver chloride, AgCl(s), will precipitate from the solution? Any help would be

asked by Rachel on September 9, 2006
93. ## chem

A hemoglobin molecule (molar mass =65000 g) can bind up to 4 oxygen molecules. In a certain experiment a .085-L solutoin containing 6.0 g of deoxyhemoglobin was reacted with excess of oxygen in a constant-pressure calorimeter of negligible heat capacity.

asked by Mischa on October 4, 2008
94. ## Social Studies

1. Which of the following was a reform of governor Arnall? (choose all that apply) A. introducing civil service to government officials. B. increasing the salaries of military families C. Expanding voting rights D. Making the prison system more humane 2.

asked by Anastasia on March 24, 2016
95. ## Social studies

Homework Help: history Posted by crazygood on Tuesday, February 18, 2014 at 11:13am. 1. What was described as the ' hardest work " slaves did ? ( 1point ) A. work in the rice fields B . Work in the tobacco fields C. Work in the lumber business D. Work

96. ## Algebra

The costs of doing business for a company can be found by adding fixed costs, such as rent, insurance, and wages, and variable costs, which are the costs to purchase the product you are selling. The portion of the company’s fixed costs allotted to this

asked by Kris on August 4, 2008
97. ## HISTORY

"According to the theory of the balance of trade, France has a quite simple means of doubling her capital at any moment. It suffices merely to pass its products through the customhouse, and then throw them into the sea. In that case the exports will equal

asked by Pickle rick on October 30, 2018
98. ## physics

A uniform rod of mass M and length d is initially at rest on a horizontal and frictionless table contained in the xy plane, the plane of the screen. The rod is free to rotate about an axis perpendicular to the plane and passing through the pivot point

asked by tyger2020 on December 11, 2018
99. ## social studies

the puritans shared another principal that our country today is founded on hard work. In Europe free education was unheard of. You went to school to learn to read so you could read the bible. Early school was called____school. It was taught by a woman in

asked by stephanie on November 5, 2011
100. ## AP Physics

Could you please explain to me these problems, I don't understand them. Do 100 J of work in 50 s and your power output is? A bow is drawn so that it has 40 J of potential energy. When fired, the arrow will ideally have a kinetic energy of ? A diver who

asked by Manny on October 13, 2007