# 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

92,096 questions, page 814
1. ## SCI

so would it be better to place a wilted flower in tap water or distilled water? Answer: I would say distilled water because it contains a lower cocnentration of solute than the flower and therefore the water would more easily diffuse into the flower. Tap

asked by Lena on September 23, 2008
2. ## cutting!

What are industries and governments doing to prevent the negative effects of clear-cutting? Clear-cutting removes all of the trees in an area. Many animals and other plants lose their habitat. Planting young trees eventually provides more trees, but since

asked by clear on August 12, 2006
3. ## Chemistry

Is is possible to get 100% on a percent yield? Now, For Cup A I had : Mass of cup water & stirrer: 67.51 mass of sodium bicarbonate: 1.00g mass of citric acid: .76g total mass of all: 69.27g mass of cup, solution, stir after reaction: 68.75g difference

asked by Rose on March 2, 2017
4. ## Health

A short-term goal is one that can be achieved quickly, in days or weeks. The satisfaction of reaching a short-term goal can encourage you to work on long-term goals. Think about some of the factors involved in developing an action plan for a short-term

asked by Anonymous on October 17, 2013
5. ## Algebra

I need help with algebra unit 3: rational numbers. 1which exponent makes the statement true? 1/5^9=5 A.9 * B.-9 C.1/9 D.-1/9 2. Y^5 • Y^14= A. 2y^19 B.y^60 * C.y^19 D.2y60 3. W^12/w18 A.w30* B.w^-30 C.w^6 D.w^-6 4. Using the numbers 3,2, and 4, which of

asked by Boi on September 11, 2018
6. ## math;)

Show that sin(x+pi)=-sinx. So far, I used the sum formula for sin which is sin(a+b)=sin a cos b+cos a sin b. sin(x+pi)=sin x cos pi+cos x sin pi I think I am supposed to do this next, but I am not sure. sin(x+pi)=sin x cos x+sin pi cos pi If that is right

asked by girly girl on April 27, 2018
7. ## math,help

can someone set this up for me as an equation so i can solve it. thanks A garden area is 30ft long and 20ft wide. A path of uniform width is set around the edge. If the remaining garden area is 400ft^2, what is the width of the path. see the frame

asked by Jasmine20 on January 28, 2007
8. ## Genetics

Given the sequence of bases in the sense strand of DNA shown below, please answer the following questions. 5'-ATGTTTCCCCAGAAGAGGTATGGGAAAAAGATTTGA-3' a. Show the sequence of bases in the messenger RNA encoded by this gene. I'm not sure what this means. I

asked by Jenna on November 4, 2009
9. ## statistics

in a classic study of problem solving, katona demonstrated that people whoa re required to figure out a problem on their own will learn more than people who are given the solution. One group of participants is presented with a series of problems that hey

asked by Lezlie on June 11, 2008
10. ## math,help

I read the meaning of function notation but i still don't understand why are they so important. during an art contest at your school, you and a classmate each won blue ribbons for one third of the pieces you entered in the contest. You won two blue ribbons

asked by jasmine20 on January 29, 2007

I need help with my peer review What is the main point of this essay? What is the greatest strength of this essay? Does the introduction grab your interest and make you want to read on? Explain your answer. What material does not seem to fit the main point

asked by smeffy on March 11, 2009
12. ## english

Could someone check mty work? Which of the following would not be a good strategy for delivering a speech? Make sure your presentation is running properly Start talking over the audience to quiet them down (anser) Use correct grammar and well formed

asked by kevin on April 4, 2012
13. ## SOCIAL STUDIES

John calvins achievements = french lawyer who set up a christian state in city of Geneva in Switzerland. His state was ruled by religious authorities. His government was really strict. People in that city had to get used to his "blue laws", because of

asked by ELINA on June 12, 2009
14. ## Physics

At a nuclear power plant, water at 6degress Celius from a nearby lake is used in a heat exchange to condense spent steam at a temperature of 115 degees C to water at 80 degrees C. If the cooling water returns to the lake at a temperature of 18 degrees C,

asked by alex on April 20, 2017
15. ## Math

1. Write the coordinates of point A A. (2, -3) B. (-3, 2) *** C. (-2, 3) D. (3, -2) 2. Laura is designing a rectangular porch for her house. On her scale drawing, the vertices of the rectangle are (2, 7), (8, 7), and (2, 9). What are the coordinates of the

asked by Neru on May 23, 2019
16. ## maths

Due to delays in the finalization of contracts,building of a stadium commenced three months after the scheduled date. 1.1 If the original time for completion was set at 24 months,how much time was then available for completion. 2.2 Express the new duration

asked by samantha on June 23, 2009
17. ## behavior health

According to classical test theory, if the observed variance of a test is 50 and the true variance is 40, what is the estimated reliability of the test? a. 0.40 b. 0.50 c. 0.80 d. 0.90 I selected C for my answer 40/50 is the .80 If the correlation between

asked by A on January 22, 2017
18. ## math

4.In Amy’s English class, 30% of the students play an instrument. She does not know how many in the whole school play an instrument, but there are 500 students in the school. A.Solve the proportion 30/100=n/500 to estimate the total number of students in

asked by Francis on April 15, 2015
19. ## PHYSIC

You are a member of an alpine rescue team and must project a box of supplies, with mass m, up an incline of constant slope angle α so that it reaches a stranded skier who is a vertical distance h above the bottom of the incline. The incline is slippery,

asked by kolam on July 14, 2013
20. ## algebra

1. You have the numbers 1–24 written on slips of paper.If you choose one slip at random, what is the probability that you will not select a number which is divisible by 6? a) 1/6 b) 5/6 c) 1/3 c) 2/3 2. There are 12 members of student council. Four of

asked by nicka on March 6, 2015
21. ## health care

Austin and Boxerman (2003) state that healthcare organizations have used information technology as a tool for automating processes, yet they submit that "project teams involved in systems analysis of healthcare information systems are well advised to

asked by syretta on August 14, 2011
22. ## com 220

I thought I chose to write my final about Capital Punishment but instead I accidentally chose Affirmative Action. Now i have to create a full sentence outline that includes arguments and counter arguments that support my thesis statement. My thesis

asked by Dr H on June 2, 2010
23. ## literature

All literature involves some kind of performance which is intended for an audience. Sometimes, however, the performative quality of a work (i.e., the fact that it is being presented to an audience) is more obvious than at others. Drama and poetry, for

asked by sheri on October 6, 2011
24. ## Algebra 1

Hi, I have this question to answer and I am just really confused I don't know where to begin we haven't had a question like this so I'm totally bewildered. Anyway here is my question. Any help is greatly appreciated! Thank you so much for your time!!!

asked by Smiley101 on November 22, 2016

Mr. Jacob is 55 years old and Tony is 7 years old. In how many years will Mr. Jacob be 4 times as old as Tony? Please help me solve this.

asked by Ann on October 19, 2012
26. ## math

f(x)=1/x, g(x)=1/x^2-1, h(x)=1/x-1 and the difference between 6 times the function values of f and 3 times the function values of g is 7 times those of h. how do i solve for x?

asked by i love polka on November 5, 2008
27. ## Algebra II (check)

Solve: sqrt3x+6 + 4 =< 7 sqrt3x+6 + 4 =< 7 subtract 4 from both sides sqrt3x+6 =< 3 subtract 6 from both sides 3x/3x =< -3x/3x x =< -1 (answer)

asked by Jon on March 1, 2008
28. ## Economics/Math

MC=40P MR=1000-10P Solve for P 40P=1000-10P= 50P=1000 P=20 ???

asked by Jiggsy on March 10, 2008
29. ## Math

How do I solve Cos(theta)= 3/7 if 0 degrees is less than or equal to theta and theta is less than or equal to 90 degrees?

asked by john on December 6, 2009
30. ## physics

A block of mass m = 5.90 kg is released from rest from point circled A and slides on the frictionless track shown in the figure below. (Assume ha = 7.30 m.) point b is 3.20 m and point c is 2.00m. (a) Determine the block's speed at points circled B and

asked by mark on March 3, 2016
31. ## Maths

On the 1st of January 2014, Carol invested some money in a bank account. The account pays 2.5% compound interest per year. On the 1st of January 2015, Carol withdrew £1000 from the account. On the 1st of January 2016, she had £23 517.60 in the account.

asked by Joelle on February 2, 2017
32. ## College-Article Review

Part A asks for: A one or two paragraph description of the work's physical structure and any information about the author you may have discovered (ex. magazine title, author, date published). ---Keep in mind that I cannot write a bibliography/works cited.

asked by Anonymous on September 24, 2008
33. ## Social Studies

7. The value of trade is extremely high in a. Sudan. b. Nigeria. c. Botswana.*** d. Chad. 8. An African economist living in Mali between 2002 and 2003 would most likely be a. impressed with the value generated through commercial services. b. satisfied,

asked by Kaai97 on October 15, 2015
34. ## Social Studies

7. The value of trade is extremely high in a. Sudan. b. Nigeria. c. Botswana.*** d. Chad. 8. An African economist living in Mali between 2002 and 2003 would most likely be a. impressed with the value generated through commercial services. b. satisfied,

asked by Kaai97 on October 15, 2015
35. ## english paper

Hello I have a quick question. I have to write an english paper on the recent issues in business. it says that "purpose in writing this report is to SYNTHESIZe current, reported information on a recent issue in bussiness" The reason why i have the work

asked by bob on February 6, 2009
36. ## English

Could you please check these sentences for me? Thank you very much for your invaluable help. 1) I find it difficult to translate the following description into English since I don't know how old the students are in their fifth or sixth class. How old are

asked by Henry2 on October 20, 2011
37. ## Social Studies

7. The value of trade is extremely high in a. Sudan. b. Nigeria. c. Botswana.*** d. Chad. 8. An African economist living in Mali between 2002 and 2003 would most likely be a. impressed with the value generated through commercial services. b. satisfied,

asked by Kaai97 on October 15, 2015
38. ## math algebra

At a college, records show that the average persons grade point average, G, is a function of the number of hours he or she studies and does homework per week h. The grade point average can be estimated by the equation : G=0.01h^2 +0.2h+1.2 To obtain a 3.2

asked by tom on December 7, 2016
39. ## Algebra 2

Did I solve this word problem correctly? In last week’s basketball game, the Lions scored 6 less than twice what the Bobcats scored. The sum of their scores is 30. How many points did the Lions and the Bobcats score individually? 2x+2x-6=30 2x+2x=36

asked by Ernie on November 1, 2015
40. ## math

a circle is tangent to the y-axis at y=3 and has one x-intercept at x=1 a) what's the other x-intercept b) what's the equation i have no clue how to solve this! You know that the center of the circle is somewhere in the line y = 3, denote the x-coordinate

asked by Anonymous on August 4, 2007
41. ## math

John and Smith went to a stationery shop. John bought 6 pens, 4 pencils and 3 erasers. Smith bought 3 pens, 8 pencils and 6 erasers and spent 20% more than John. What percentage money did John spend on pens? How can I form an equation and solve?

asked by rachel on December 8, 2014
42. ## Math

1: select all the pairs of ratios form a proportion. (2 points) A: 1/6, 4/20 B: 7/9, 28/36*** C: 14/19, 21/27 D: 30/80, 6/18 2: Which pair of ratios does NOT form a proportion? (1 point) A: 3/5, 24/40 B: 30/10, 15/5**** C: 9/14, 3/4 D: 7/12, 14/24 3: For

asked by AngelDabSwag on May 8, 2018
43. ## Math

Use the function tables to solve the problems. Table :2 Input ( Number of Pies Sold). Output( cost) 1. \$ 12.65 2 3 \$ 37.95 4 What is the rule for Table 2 ? What are the missing output entries in Table 2? 2/ following the same rule set in Table 2 , what

asked by NAwaf on February 22, 2014
44. ## Science

What are fuses and why do they come in different sizes? Fuses are devices placed in electrical circuits as protection for those circuits. They consist of small pieces of wire, sometime as ribbons, and are placed in series with the circuit so that the

asked by Bethan on September 28, 2006
45. ## History

All day long and in all places I am always fastening upon you, stirring you and persuading you and reproaching you. You will not easily find another like me. Use the passage to answer the question. 1. In the passage, what Greek philosopher describes his

asked by alex on October 10, 2016
46. ## Chemistry

1)The following balanced chemical equation represents the reaction of calcium carbonate CaCO3 (s), with hydrochloric acid : CaCo3(s) + 2HCl (aq) -> CaCl2(aq) + CO2(g) + H2O(l) If 155 g of calcium carbonate reacts with 245 g of hydrochloric acid, what mass

asked by Nikki on December 19, 2012
47. ## stastistics

The data show the time intervals is after an eruption(to the next eruption) of a certain geyser. Find the regression equation, letting the first variable be the independent (r) variable. Find the best predicted time of the interval after an eruption that

asked by anonymous on November 21, 2013
48. ## 12 math

benetley chalk brush manufacturer company has 900 empolyess: are female, are union members and are single.295 are single females, 187 are single union members 190 are female union memebers and 120 are single female union members. how many workers are

asked by steveo on August 30, 2008
49. ## English

Please read for any errors. And correct them. The premium on your disability insurance policy is overdue. Don’t let his valuable policy lapse. If you become disabled you will receive a monthly income from this policy. This disability policy provides

asked by Renell on February 16, 2011
50. ## Chemistry

1. The decomposition of acetaldehyde is a second order reaction with a rate constant of 4.71 × 10^−8 L/mol/s. What is the instantaneous rate of decomposition of acetaldehyde in a solution with a concentration of 5.55 × 10^−4 M? 2. The rate constant

asked by Bob on April 11, 2017
51. ## chemistry

HF hydrolyzes according to the following equation: HF(aq)+H2O(l) H3O+(aq)+F-(aq) When 0.0300 mol of HF dissolves in 1.0 L of water, the solution quickly ionizes to reach equilibrium. At equilibrium, the remaining [HF]=0.0270 M. a.) How many moles of HF

asked by alison on May 1, 2016
52. ## chemistry

Which of the following is NOT true of colligative properties? Colligative properties are... A. responsible for lowering the vapor pressure of a solution versus the vapor pressure of the pure solvent. B. independent of the chemical identity of the solute.

asked by jay on October 4, 2010
53. ## chem lab (webwork)

Which of the following is NOT true of colligative properties? Colligative properties are... A. dependent on the mass of solute present. B. independent of the chemical identity of the solute. C. responsible for lowering the vapor pressure of a solution

asked by UCI studebt on April 3, 2010
54. ## Algebra

Can someone check my work please? Fine the sum of the arithmetic series -4 + 1 + 6 + 11 + ..... + 91. I know that a1= -4, d=5, and a20=91. S20= 20/2 (-4 + 91) S20= 10 (87) S20= 870 The sum of the arithmetic series is 870.

asked by Algebra on April 26, 2019
55. ## Physics

A 0.568 kg particle has a speed of 1.57 m/s at point A and kinetic energy of 7.67 J at point B. What is its kinetic energy at A? What is its speed at point B? What is the total work done on the particle as it moves from A to B?

asked by Chris on October 1, 2013
56. ## Algebra 2 Could use help asap

I really am trying to work these problems out on my own. Please help If f(x)=3x^2 g(x)= 1/6+x find the following and give the domain (f+g) (x) (3x^2) + (1/6+x) x is all real numbers and x is not equal to 6 (f-g) (x) (3x^2) - (1/6+x) 3x^2-x-6 x is all real

asked by Sam on February 1, 2011
57. ## English

Hi, Can someone help me with my online Psychology assignment? She is a stickler for punctuation and grammar. I have not taken English yet. I need all the help I can get. The following is my assignment and response. For this assignment, I'd like you to

asked by Michelle on March 13, 2014
58. ## physics-heat

One cant solve this without knowing the time involved, or the mass of steam. steamers are vessels you can use to cook food in.food in steamer gains heat as the steam condenses on it.a boiler supplies steam at 105 degree to a steamer at the tare of 445 g

asked by bobpursley on April 3, 2007
59. ## Calculus AP

hi again im really need help TextBook: James Stewart:Essential Calculus, page 311. Here the problem #27: First make a substitution and then use integration by parts to evaluate the integral. Integral from sqrt(pi/2) TO sqrt(pi)of θ^3 cos(θ^2)dθ. i did

asked by Vicky on August 2, 2012
60. ## Accounting

What is the value of a company stock if it grows at a supernormal rate of 18% for the first four years, and then slows down to a constant growth rate of 10%. The company just paid annual dividend of \$2.00/share, and the rate of return on common stock (rcs)

asked by Lyra on June 29, 2017
61. ## math

The cheerleading squad is having a bake sale. They want to bake at least 120 cookies. They made 12 cookies the first hour and 24 cookies the second hour. a)Write an inequality that describes the scenario. Let Variable h represent the number of hours that

asked by XenaGonzalez on October 18, 2015
62. ## physics

Tom the cat is chasing Jerry the mouse across a table surface 1.5 m off the floor. Jerry steps out of the way at the last second, and Tom slides off the edge of the table at a speed of 5.0 m/s. Where will Tom strike the floor, and what velocity components

asked by Anonymous on September 26, 2007
63. ## physics

A 10 g particle has the potential energy shown in a graph with the y-axis label U(J) and the x axis is labeled in cm. There is a diagonal line from 4 J down to 1 cm and the line levels out on the x axis to 3 cm and rises again to a height of 2 J at 5 cm

asked by Ashley on December 2, 2009
64. ## physics

Two Earth satellites, A and B, each of mass m = 960 kg, are launched into circular orbits around the Earth's center. Satellite A orbits at an altitude of 4500 km, and satellite B orbits at an altitude of 13600 km. a) What are the potential energies of the

asked by Kensey on June 18, 2012
65. ## sociology

Professor Winston is explaining to his class that people who watch more hours of violent television programming also show greater levels of hostility and violence toward others. He continues to say that this means violence on television causes increased

66. ## Math

1.find x and y if 3 raise to the power 2x-y equals 1 and 16 raise to the power x divided by 4 equals 8 raise to the power 3x-y 2. solve 2x-3y 2=x 2y-5=3x y?

asked by poppy on April 29, 2019
67. ## algebra

The length of a rectangle is 4 in. more than twice its width. If the perimeter of the rectangle is 32 in., find the width of the rectangle let x = width length is then 2x+4 so 2(2x+4)+2x=32 Solve for x 4x + 8 +2x = 32 6x=24 x=4 thanks

asked by veronica on June 5, 2007
68. ## accounting

prepare entries to record the following summarized operations related to production for a company using a job order cost system: a. materials purchased on account-\$167000 b. prepaid expenses incurred on account-\$12200 c. materials pequisitioned: for

asked by Tonya on April 1, 2011
69. ## math

2. In a certain state, it has been shown that only 56% of the high school graduates who are capable of college work actually enroll in colleges.Find the probability that, among the 11 capable high school graduates in this state, each number will enroll in

asked by carol on March 30, 2014
70. ## math

In a certain state, it has been shown that only 56% of the high school graduates who are capable of college work actually enroll in colleges.Find the probability that, among the 11 capable high school graduates in this state, each number will enroll in

asked by carol on March 30, 2014
71. ## English

Is Biennial a word for every two years? Biannual means twice a year, right? So, how can I say eliminating a subscription will save the school \$5,000 every two years? Eliminating the subscription will save the school a biennial fee of \$5,000. ^^does that

asked by Afrikah on November 5, 2017
72. ## math

2. In a certain state, it has been shown that only 56% of the high school graduates who are capable of college work actually enroll in colleges.Find the probability that, among the 11 capable high school graduates in this state, each number will enroll in

asked by carol on March 30, 2014
73. ## math

In a certain state, it has been shown that only 56% of the high school graduates who are capable of college work actually enroll in colleges.Find the probability that, among the 11 capable high school graduates in this state, each number will enroll in

asked by carol on March 30, 2014
74. ## English

In the first paragraph, underline all common nouns once and proper nouns twice. In the second paragraph, underline two pronouns. In the third paragraph, underline one action verb once, underline a helping verb twice, and circle a linking verb. In the

asked by Cathy on October 1, 2010
75. ## Biochemistry

An enzyme-catalyzed reaction was carried out in a 0.2M �Tris� buffer, pH 7.8. As a result of the reaction, 0.03 mole/liter of H+ was produced. (pKa of Tris =8.1) (a) What was the ratio of Tris+ (conjugate acid) / Triso (Conjugate base) at the start of

asked by Christine on June 26, 2016
76. ## Math

An auditorium has 50 rows of seats. The first row has 20 seats, the second row has 21, the third row has 22 seats, and so on, each row having one more seat than the previous row. How many seats are there all together? a. write 2 different expressions for

asked by Emily on October 29, 2010
77. ## English

What best describes Emily Dickinson's attitude towards death? A.sentimental B.angry C.accepting

asked by Dee on November 19, 2015
78. ## Chemistry (Check)

Calculate the DHrxn of C6H12O6 (s) + O2 (g) --> CO2 (g) + H2O (l) with DHf. C6H12O6(s) -1260.04 O2(g) 0 CO2(g) -393.5 H2O(l) -285.840 I balanced the equation and my work: DHrxn = [14mol(-393.5+(-285.840))] - [7mol(-1260.04+0)] = -690.48 KJ/mol Is this

asked by Anonymous on November 16, 2015
79. ## Chemistry (Check)

Calculate the DHrxn of C57H110O6 (s) + O2(g) --> CO2(g) + H2O(l) with DHf. C57H110O6(s) -390.70 O2(g) 0 CO2(g) -393.5 H2O(l) -285.840 I balanced the equation and my work: DHrxn = [224mol(-393.5+(-285.840))] - [165mol(-390.70+0)] = -87706.66 KJ/mol Is this

asked by Anonymous on November 16, 2015
80. ## physics

the magnification caused by a convex lens is represented by Hi/Ho, where hi is the height of the image and ho is the height of the object. Using that ratio, show that the magnification caused by a convex lens is equal to di/do(ratio of the image distance

asked by hunar on December 12, 2012
81. ## precalculus

Can you check my answers? 1.Which of the following shows the best next step to prove the following by mathematical induction? 3^n>n*2^n, n≥1 1.When n=1, the formula is valid because 3^1 1*2^1 3>2 2.Assuming that 3^k>k*2^k a.3^k+1>k+1*2^k+1

asked by sally on December 15, 2016
82. ## chem

HCl is a strong acid and ionizes 100%. NaOH is a strong base and ionizes 100%. We have no way of knowing the pH of HCl + H2O because the problem doesn't state the amount of HCl added or the concentration of HCl. For the NaOH + HCl ==> NaCl + HOH. NaCl in

asked by DrBob222 on May 15, 2007

Can you check my answer? 4. Solve. 6 tenths = ___ thousandths Answer = 600 5. Write 347.392 in expanded form. Answer: (3*100)+(4*10)+(7*1)+(3* 1/10) + (9*1/100)+ (2*1/1000) 9. Write in standard form (number name) for: three thousand four hundred eight-two

asked by Jared on October 7, 2017
84. ## Chemistry

What is the Pb2+ concentration in a saturated solution of PbCl2 if the concentration of chloride ion is 0.023 M? Units: M ksp = 1.72x10^-5 i can't seem to get the answer. i have tried and ICE diagram and going from there: PbCl2 (s) Pb ^2+ = 2Cl- I: 0.023 M

asked by Lynn on April 3, 2017
85. ## LA

Both Ernesto from barrio boy and the boy in A day's wait interact with adults. Ernesto interacts with Ms. Ryan, while the sick boy interacts with his father. In a paragraph, compare and contrast how the boys interact with the adult. focus on how the boys

asked by A person that needs help. on January 8, 2018
86. ## Physics

(a) How high a hill can a car coast up (engine disengaged) if work done by friction is negligible and its initial speed is 110 km/h? (b) If, in actuality, a 750-kg car with an initial speed of 110 km/h is observed to coast up a hill to a height 22.0 m

asked by Anonymous on June 10, 2014
87. ## Physics

I have a question on fluids. Water in a section 1.2m wide, 2m high. retained by sluice gate that can pivot about its base. There is a retaining cable at the top of the gate. Determine tension in the retaining cable at the top of the gate when the depth of

asked by Danny on April 13, 2015
88. ## Physics

. (a) How high a hill can a car coast up (engine disengaged) if work done by friction is negligible and its initial speed is 110 km/h? (b) If, in actuality, a 750-kg car with an initial speed of 110 km/h is observed to coast up a hill to a height 22.0 m

asked by Anonymous on June 10, 2014
89. ## physics

(a) How high a hill can a car coast up (engine disengaged) if work done by friction is negligible and its initial speed is 110 km/h? (b) If, in actuality, a 750-kg car with an initial speed of 110 km/h is observed to coast up a hill to a height 22.0 m

asked by Anonymous on June 10, 2014
90. ## Mechanical Principles

I have a question on fluids. Water in a section 1.2m wide, 2m high. retained by sluice gate that can pivot about its base. There is a retaining cable at the top of the gate. Determine tension in the retaining cable at the top of the gate when the depth of

asked by Danny on April 13, 2015
91. ## physic

Hi! please help A sledge loaded with bricks has a total mass of 17.8 kg and is pulled at constant speed by a rope inclined at 20.8° above the horizontal. The sledge moves a distance of 20.6 m on a horizontal surface. The coefficient of kinetic friction

asked by Chan on October 20, 2009
92. ## AP Chemistry

I am honestly lost on this question and you can't proceed without solving the first on, so if anyone would be so inclines to help me out Aluminum metal reacts with zinc(II) ion in an aqueous solution by the following half-cell reactions: Al(s) → Al3+(aq)

asked by Damien on February 12, 2018
93. ## Chemistry

Need help on a lab results write-up. The lab is the synthesis and analysis of a transition metal complex. General reaction was stated as: Fe(III) + x(acac) -> Fe(acac)x - we were to determine x by completing experiment. x = 1, 2, 3, 4... acac = 2, 4

asked by Leah on February 14, 2013

A 0.386g sample of a protein was dissolved in water and made up to a volume of 60mL at 21.0°C. At this temperature the osmotic pressure of this solution was 1.24mmHg. Calculate the molecular mass of the protein 12682 g mol-1 95025 g mol-1 9627613 g mol-1

asked by lulu on October 9, 2010
95. ## Chemistry

The quantity of antimony in a sample can be determined by an oxidation-reduction titration with an oxidizing agent. A 7.79-g sample of stibnite, an ore of antimony, is dissolved in hot, concentrated HCl(aq) and passed over a reducing agent so that all the

asked by Jackie on April 23, 2017
96. ## math

Solve 3 log x = 1 + log (4x+5)/ log 2

asked by lindsay on July 10, 2014
97. ## math

x=-2 output=12 x=1 output =9 x=4 output =6 help me solve

asked by jack on February 9, 2011
98. ## algebra

If LOGx (A)=0.7 and LOGx (B) =0.5 how do I solve LOGx (B/A)

asked by Irma on April 5, 2010
99. ## Math

(2 + sqrt 2)/(2 - sqrt 2) = (x)/(3 + sqrt 10) How to solve for x?

asked by Anonymous on April 26, 2014
100. ## Math

Solve X=8(mod 11), X=9(mod 12), X=10(mod 13)

asked by Morris on December 2, 2010