# 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 105
1. ## economics

How do an economist as a scientist and an economist as a policy advisor help to create understanding of economics? As a scientists, we conduct experiments and do research following the scientific method. (e.g., we observe a phenomena, form a hypothesis,

asked by tracey on May 15, 2007

Write a linear system of equations that can be used to solve these problems. Then, solve to get your final answer. 3. The school that Kevin goes to is selling tickets to a fieldtrip. On the first day of ticket sales, the school sold 3 adult tickets and 1

asked by LadyPhantomhive on January 5, 2016
3. ## chemistry

A flask containing 200 mL of solution is labeled 0.300 M CuBr2. A sample containing 0.0500 moles of Br− is added to the solution. What is the molarity of the Br− ion solution? Assume no volume change. a) 0.850 M b) 0.667 M c) 1.10 M d) 1.00 M e) 0.400

asked by bilawal on January 11, 2016
4. ## AP Chemistry

A solution is 1.0M in AgNO3 and Fe(NO3)2.in the electrolysis of this solution using inert electrodes, the voltage is gradually increased. What is the order in which the substances in the solution would plate our or react at the cathode ? Assume that the

asked by chemistinprogress on March 19, 2014
5. ## chem

A solution is made by dissolving 27.8 g of nicotine (Molar Mass = 160 g/mol) in 145 g of cyclohexane (C6H12) to form 142 mL of solution. Calculate the mole fraction of the solute and the molarity, respectively, of this solution.

asked by volek on February 20, 2015
6. ## CHEM UNI

2. In a calorimetry experiment, 50.0 g of a 2.04 mole/kg HCl solution is mixed with 50.0 g of a 2.13 mol/kg NaOH solution. The specific heat of the resulting solution is 3.90 J·˚C−1·g−1. The temperature of the mixture rises from 22.1 ºC to 37.0

asked by Carmin on February 6, 2015
7. ## AP Chem

A 3.50 g sample of KCl is dissolved in 10.0 mL of water. The resulting solution is then added to 60.0 mL of a 0.500 M CaCl2(aq) solution. Assuming that the volumes are additive, calculate the concentrations of each ion present in the final solution.

asked by Anna on November 3, 2008
8. ## Chemistry

Iodine, I2, reacts with aqueous thiosulfate ion in neutral solution according to the balanced equation I2(aq)+2S2O2−3(aq)→S4O2−6(aq)+2I−(aq). How many grams of I2 are present in a solution if 33.00 mL of 0.165 M Na2S2O3 solution is needed to

asked by Mary on October 27, 2015
9. ## chemistry

Find for this reaction as written. (Use 1.0 for the density of the solution and 4.18 as the specific heat capacity.) When 0.129 of is combined with enough to make 53.8 of solution in a coffee-cup calorimeter, all of the zinc reacts, raising the temperature

asked by dtost on April 15, 2012
10. ## World History

Which accurately describes European feudalist society? In the feudal system, approximately 90 percent of people were peasants, and most were practicing Catholics. In the feudal system, approximately 60 percent of people were clergy, and most were

asked by Erick on October 22, 2017
11. ## Math

Guys please help me with this Trigonometry question based on De Moivre's theorem. Q: Find ¦È such that 0¡Ü¦È¡Ü360. cos7¦È + cos3¦È = cos5¦È I attempted to solve it with limited knowledge but I kind of doubt my answer. Anyway, this is how I

asked by Nye on October 16, 2016
12. ## Chemistry

A solution containing a mixture of 0.0381 M potassium chromate (K2CrO4) and 0.0769 M sodium oxalate (Na2C2O4) was titrated with a solution of barium chloride (BaCl2) for the purpose of separating CrO42– and C2O42– by precipitation with the Ba2 cation.

asked by Anne on October 15, 2015
13. ## Calculus

A spherical oil tank with a radius of 10 feet is half full of oil that weighs 60 pounds per cubic foot. Its top is 6 feet underground. How much work is needed to pump the oil out of the tank through a hole in its top? How do I solve this? Does the fact

asked by Ethan on December 14, 2013
14. ## Physics/Calculus

A spherical oil tank with a radius of 10 feet is half full of oil that weighs 60 pounds per cubic foot. Its top is 6 feet underground. How much work is needed to pump the oil out of the tank through a hole in its top? How do I solve this? Does the fact

asked by Ehtan on December 15, 2013
15. ## Physics

A skier swoops down a hill and over a ramp. She starts from rest at a height of 18m, leaves the ramp at an angle of 45 degrees, and just clears the snowman on her way down, making an angle of 30 degrees with the vertical as she does. Assuming that there is

asked by Jenny on June 17, 2014
16. ## science

Arrange the following from the most work to the least. For each instance, calculate the total amount of work done. Show all calculations, including units of measure. 1. pushing a box of math books weighing 600 newtons a distance of 20 meters -12000J 2.

asked by anonymous on November 5, 2009
17. ## chem- repost

i don't know how to solve this. looked through all my notes but i'm not sure what kind of formula i am to use or if i even need one! please help me to understand the theory behind this: "calculate the work need to make room for the products in the

asked by please, help me x( on April 17, 2011
18. ## chem

i don't know how to solve this. looked through all my notes but i'm not sure what kind of formula i am to use or if i even need one! please help me to understand the theory behind this: "calculate the work need to make room for the products in the

asked by marie on April 17, 2011
19. ## chemistry

i don't know how to solve this. looked through all my notes but i'm not sure what kind of formula i am to use or if i even need one! please help me to understand the theory behind this: "calculate the work need to make room for the products in the

asked by marie on April 17, 2011
20. ## chem- repost

i don't know how to solve this. looked through all my notes but i'm not sure what kind of formula i am to use or if i even need one! please help me to understand the theory behind this: "calculate the work need to make room for the products in the

asked by please, help me on April 17, 2011
21. ## chem- repost

i don't know how to solve this. looked through all my notes but i'm not sure what kind of formula i am to use or if i even need one! please help me to understand the theory behind this: "calculate the work need to make room for the products in the

asked by please, help me x( on April 17, 2011
22. ## algebra

An electrician working on a project spent one-third of his time wiring the main service. If the electrician spent 4hours wiring the main service,how much time did he spend on the project? Write an equation to solve the problem. Use algebra to solve the

asked by Cherie on April 26, 2012
23. ## chemistry

You weigh a sample of a monoprotic unknown acid and dissolve it in 50.00 mL of distilled water. Exactly half of this solution is titrated with Sodium Hydroxide to the phenolphthalein end point. The pH of the other half of the original solution is measured

asked by faruk on July 30, 2013
24. ## Education Tech

1.) Which of the following is the best strategy for studying test? a) Sitting alone in a chair in a quiet room, looking over your textbook. b) Working in pairs and exchanging practice questions. c) Developing a personal method that is right for you and

asked by Ashley mccgarvey on January 9, 2014
25. ## algebra

A desk and a chair cost \$200 as a set. If the desk costs four times more than the chair, how much does each one cost. Write and solve using a system of equations.

asked by Anonymous on February 26, 2014
26. ## Algebra

A desk and a chair cost \$200 as a set. If the desk costs four times more than the chair, how much does each one cost. Write and solve using a system of equations.

asked by EddieG on February 27, 2014
27. ## Trig

Let O represent the origin and P be the point (9, -4). Find the positive angle (counterclock wise direction)that the line segment OP makes with the positive x-axis. the answer is 5.86 radians but i keep getting 0.418 radian. please help and show work

asked by Drew on January 24, 2010
28. ## PHYSICS NEED HELP ASAP

A race car moving at 157km/hr decelerates at -7.00 m/s^2 to a speed of 75.0km/hr A) how long did this take? B) how many meters did the car travel during this deceleration? I attempted this problem many times and i don't seem to get the correct answer

asked by sahar on January 6, 2015
29. ## calculus

find the function that is finally graphed after the following transformations are applied to the graph of y=square root x in the order listed. a. reflected about the y-axis b. shift down 3 units c. shifht left 9 units please show work

asked by help on December 13, 2012
30. ## Ms. Sue Help me please!

Mrs. Miller sells a house for \$179,000. If she earns a commission of 6%, how much money does she earn? Write a porportion and show your work. I don't understand how to do it, I have seen the other questions and I don't get how you got 1074000. Can this be

asked by Help me! on December 1, 2017
31. ## Physics

How much work must be performed by a hand or other such agent to move the 8kg block very slowly 10 cm to the right if the attached spring was initally relaxed? Let k = 200 N/m and mK = 0.5. Show the equation and the plug the numbers into the equation and

asked by Anonymous on October 26, 2016
32. ## I apologize

The truth is I was trying to figure out the interest rates on a car loan and this page poped up I really didn't realize this was for students in tell you wanted me to show my work! I'm 40 and if I don't know the answer by now I don't I never will but

asked by dumb dumb on May 16, 2016
33. ## physics

A race car moving at 157km/hr decelerates at -7.00 m/s^2 to a speed of 75.0km/hr A) how long did this take? B) how many meters did the car travel during this deceleration? I attempted this problem many times and i don't seem to get the correct answer

asked by sahar on January 6, 2015
34. ## Trig

Let O represent the origin and P be the point (9, -4). Find the positive angle (counterclock wise direction)that the line segment OP makes with the positive x-axis. the answer is 5.86 radians but i keep getting 0.418 radian. please help and show work

asked by Drew on January 24, 2010
35. ## Chemistry

Zinc sulfide and oxygen gas react to form oxide and sulfur dioxide. Determine the amount of ZnO that should be produced in a reaction between 46.5 g of ZnS and 13.3 g of oxygen. What is the mass of the xs reactant? Please show work

asked by Christian on February 15, 2012
36. ## College Algebra

I could not figure out the answer to this Problem: The quadratic function f(x)= -2x^2 =4x +3 can be used to solve the following inequality: -2x^2 -4x < -3 First use the Quadratic Formula to find the x-intercept of f. This problem asks that the answer be

asked by Lee on October 22, 2010
37. ## sociology

what are the advantages and disadvantages of explicitly grounding a legal system in a particular religious tradition? Should the united states attempt t integrate christianity into its criminal justice system, as some conservatives recommend?

asked by pam on July 14, 2009
38. ## computers

computers that process data from sensors as events occur are called a. distributed computer b. even driven simulations c. pseudo sensory system d. real time system im confused between B and C

asked by Amy on July 30, 2015
39. ## social studies

Why did the system of feudalism arise during the Middle ages? A:to develop an economic system. B:to determine jobs within a city. C:to defend the countries from attacks. D:to organize the household of noblemen. I think the answer is C. Thank you

asked by Jamie on September 27, 2017
40. ## sociology

what are the advantages and disadvantages of explicitly grounding a legal system in a particular religious tradition? Should the united states attempt t integrate christianity into its criminal justice system, as some conservatives recommend?

asked by tiffany on July 13, 2009
41. ## Chemistry

The reaction described takes place in solution in a coffe-cup style calorimeter. We will assume that the cups absorb or release a negligible amount of heat so we will not need to worry about the calorimeter constant or qcal. If the total mass of the

asked by Tatiyana on October 16, 2017
42. ## Chemistry

(A) is a solution of hcl (b)is a solution of koh titrate against b8 record your titre values as follows burretreading|rough|1stread|2ndread|3rdread/finalrding under rough|33.50|un der 1s rd |33.50|under 2nd rd |33.60| under3rd rd|33.70 intial rding under

asked by Kc luckydony on March 2, 2011
43. ## statistics

what method gathering data may be best use for the following situations. 1.study about culture minorities. 2.study about pre-marital sex among college students and the respondents are friends or classmates. 3.the subject of study is patients in comatose

asked by on January 8, 2009
44. ## Chemistry

Can someone help me with these two questions? Thank you! a.) Describe (give instructions) how you would prepare 7.00 L of 0.750 M K2CrO4 from a 2.25 M K2Cro4 stock solution b.) A stock solution containing Ba2+ ions was prepared by dissolving 23.0 grams of

asked by Anonymous on June 11, 2015
45. ## physics

Through the process of doing work, energy can move between the external world and the system as the result of ____. The sentence is completed with the word FORCES. You have to rewrite the word to make the sentence true (if it is not already true.)

asked by Sejul on February 20, 2011
46. ## physics

Through the process of doing work, energy can move between the external world and the system as the result of ____. The sentence is completed with the word FORCES. You have to rewrite the word to make the sentence true (if it is not already true.)

asked by Sejul on February 19, 2011
47. ## Chemistry

A chemical reaction is run in which 132 joules of work is done by the system amd the internal energy changes by 469 joules. Calculate the amount of heat transferred. u=q+w I was going to do 469 = q + 132 but I think this is wrong.

asked by Hannah on January 22, 2012
48. ## chem

The mole fraction of an aqueous solution of potassium perchlorate is 0.125. Assuming that the density of this solution is 1.20g mL-1, calculate the following: (A) the mass percent of potassium perchlorate in the solution. (B) the molarity of potassium

asked by Lori on December 14, 2010
49. ## Chemistry

Combusting 44.8L of H2 with 22.4 L O2 (both at STP) results in the formation of 44.8 L of H2O if the reaction is maintained at the same conditions (STP) and goes to completion. Given the heat of formation of water (= -241.8 kK/mol) calculate a) the PV work

asked by Sanaya on January 26, 2016

There is currently quite a strong tide of opinion, in UK education, in favour of gender segregation for the duration of their secondary schooling. However, gender segregation is not a new phenomenon. Girls and boys usually went to single-sex schools

asked by Anonymous on March 8, 2008
51. ## Maths

Find the value(s) of k for which the pair of equations: Equation 1: kx + (k+1)y = 8 Equation 2: 4x + 3ky = 4 (a) no solutions (b) a unique solution (c) infinitely many solutions Can you please use the gradient way and show your working? Thanks a lot

asked by Who knows on December 23, 2016
52. ## Math

I need help solving the problem not the answer. (Multiple Choice) The steps below show the incomplete solution to find the value of x for the equation 7x + 8 − 3x = −6 + 10: Step 1: 7x + 8 − 3x = −6 + 10 Step 2: 7x + 8 − 3x = 4 Step 3: 4x + 8 = 4

asked by Ryan on March 30, 2017
53. ## Math

What powers of two prime numbers will give a product of 1000...000(this sign --> { below the 1000...000 and below this { telling 2012 zeros ) Please show your solution and how you did it. Thank you so much.

asked by Aliza on December 5, 2012
54. ## Chemistry

At the equivalence point in a titration you know the volume (x mL) of a standard solution of acid (2.5 M) that has been added to a known volume base (y mL). show how you can determine the concentration of the base.? Explain

asked by Juan on March 15, 2013
55. ## World History

Which statement supports the claim that the political philosophy of John Locke was as revolutionary as the scientific revolution of Copernicus? *****a. Just as Copernicus replaced the Earth with the Sun at the center of the solar system, Locke replaced the

56. ## Science

A Sample of seaweed contains 1 Liter of water and has 50 grams of salt dissolved in its cells. The seaweed is placed in a solution made of 2 Liters of water and 150 grams of dissolved salt. What will occur when the system reaches equilibrium? A. The

asked by Failing on September 28, 2018
57. ## LAN

1. System A consists of a single ring with 100 stations, one per repeater. System B consists of four 25 stations rings linked by a bridge. If the probability of a link failure is , a repeater failure is , and a bridge failure is , derive an expression for

asked by Sandra on March 18, 2013
58. ## Intro to Local Area Networks

1. System A consists of a single ring with 100 stations, one per repeater. System B consists of four 25 stations rings linked by a bridge. If the probability of a link failure is , a repeater failure is , and a bridge failure is , derive an expression for

asked by Ramie on March 18, 2010
59. ## Telecommunications

1. System A consists of a single ring with 100 stations, one per repeater. System B consists of four 25 stations rings linked by a bridge. If the probability of a link failure is , a repeater failure is , and a bridge failure is , derive an expression for

asked by liam on October 18, 2013
60. ## MATH/ALGEBRA PLEASE

Okay, I think I have arrived at all the answer to the questions thrown my way. However, how do I explain what is happening “graphically”, where the services are charging same rate? : Your company must use a transportation service to shuttle their

asked by H on December 17, 2009
61. ## AP Chemistry

For the system 2SO2(g) + O2(g) 2SO3 (g), change in enthalpy is negative for the production of SO3. At a particular temperature, 8.00 moles of sulfur dioxide and 10.00 moles of sulfur trioxide are introduced into a 2.00 L container. The system is allowed to

asked by S on January 12, 2008
62. ## Algebra II

1) Write an equation of the line that passes through (9,6) and is perpendicular to the line whose equation is y=-1/3x+7. Answer: y=3x-21 2)Find x in the solution of the system 3x+y=2 ans 2x-3y=16 Answer:2

asked by Lucy on April 6, 2008
63. ## math

i am supposed to solve this word problem using system of quatino methods The annual cost of owning and opearting a car, C dollars, is a linear function of the distance, d kilometers, it is driven. C=md+b the cost is \$4600 for 10 000km and \$9100 for 25

asked by jake on February 8, 2010
64. ## Computers

System A consists of a single ring with 100 stations, one per repeater. System B consists of four 25 stations rings linked by a bridge. If the probability of a link failure is , a repeater failure is , and a bridge failure is , derive an expression for

asked by Bob on March 17, 2014
65. ## Chemistry

Tartaric acid has two acidic (ionizable) hydrogens. The acid is often present in wines and precipitates from solution as wine ages. A solution containing an unknown concentration of the acid is titrated with NaOH. It requires 22.62 mL of 0.2000 M NaOH

asked by Destiny on October 10, 2011
66. ## Calculus

An airplane has airspeed of 724 k/h at bearing of North 30 degrees East. If the wind velocity is 32 from west. find the ground speed and direction of plane. Teacher gives solution of 740.5 k/hr and 57.9 degrees. Can anyone show steps?

asked by Trey on June 1, 2015
67. ## Clinical Chemistry

I am not sure how to start this. You are given a 200% solution of a compound. You must dilute and construct a calibration curve to interpret concentration of compound in unknown samples. Show the steps needed to perform a two-fold serial dilution through 5

asked by Ashley on November 2, 2014
68. ## Chem

choose the solvent below that would show the greatest boiling point elevation when used to make a 0.10m non electrolyte solution a.C6H6, Kb= 5.12 degree C/m b. CHCl3, Kb= 4.70 degree C/m c.CCl4, Kb= 29.9degree C/m d.CH3CH2OH, Kb= 1.99degree C/m

asked by Anonymous on October 15, 2014
69. ## Precalculus

"A rectangular pasture is subdivided into two equal pens. Using the barn as one side and 132 m of fencing for the rest, find the value of x that gives the maximum area, and A(x)." It gives no diagram whatsoever, so I have no idea if all the sides are the

asked by Emily on September 22, 2009
70. ## Chemistry

If you have 200 ml of a 0.1M solution of acetic acid (pka=4.75), 1. How many ml of a solution of 1.O M NaOH would you need to adjust the pH to 5.2? "Chemistry - DrBob222, Wednesday, June 29, 2011 at 8:41pm 200 mL x 0.1M = 20 mmoles. 1. ............HAc +

asked by Brayden--help Dr. Bob on June 30, 2011
71. ## Organic chemistry

the pka of benzoic acid is 4.2. show mathematically that this acid is 50% ionized. Use results of part a t oexplain why precipitation is incomplete if the pH of an aquesous solution of benzoate ion is lowered only to ph 7 by adding acid. Thank you

asked by ZC on September 28, 2010
72. ## Algebra 2

Simplify this expression sqrt(3y^3)*sqrt(4xy^4)*sqrt(6x^5y^2) Please show work!!!

asked by Alex on February 7, 2015
73. ## math

write a system of two equation and use them to solve the following problem: two farmers were discussing how many chickens and cows they would purchase at market. the first farmer says to the second, I have just purchased 30 new heads and 100 feet. how many

asked by stef on July 29, 2012
74. ## Chemistry

A biochemical engineer isolates a bacterial gene fragment and dissolves a 15.1 mg sample of the material in enough water to make 32.7 mL of solution. The osmotic pressure of the solution is 0.340 torr at 25°C. a) What is the molar mass of the gene

asked by Pooja on February 11, 2015
75. ## math

tom's work is 18km away, he starts walking to work at 5:30. He walks 4km every hour. His work opens at 9:00 will he be on time? sue leaves home and ride her bike to work at 7:30. She rides 12km every hour. When does sue overtake tom. how far have they

asked by sam on March 1, 2009
76. ## Chemistry

Explain in step by step and provide calculations to show how you can prepare 1.50 L of 0.10 M H2SO4 solution starting with 16 M H2SO4

asked by Megan on December 9, 2012
77. ## Math

I poured one liter of juice into three conainers that were not equal how many milliliters of juice might l have poured into container show 5 possible solution

asked by Vanessa on August 23, 2016
78. ## Math

Landon is working one plans for a 12-acre housing development. A park will cover 2 1/2 acres, and paved areas will take 1 3/4 acres. How many acres are left for home sites??? Please show work, for how you did it

asked by Madelyn Santiago on February 22, 2012
79. ## calculus

1. if f(x)=3^x-3^-x, find :f(2),f(-1) 2. if y1=x^2+3x-1 and y2=x-5, find: a. y1+y2 b. y1-y2 c. y1(y2) please show solution thanks.

asked by gen on November 11, 2010
80. ## Physics

We have a heat engine that produces 150 J of heat, does 40 J of work, and emits 110 J into another system. What is the efficiency of the heat engine? Please don't give me the answer! Just help figure out how to find it! The description for the lesson with

asked by Leila on December 5, 2016
81. ## math

Gemma has to complete her chores for the week. She must finish 10 hours of chores to receive her allowance. She can work on landscaping for 2 to 8 hours. She can also do laundry for 4 to 6 hours. Determine the graph that correctly represents this system of

asked by Rick on December 19, 2012
82. ## accounting

herman company received proceeds of \$188,500 on 10-year, 8% bonds issued on january 1, 2009. the bonds had a face value of \$200,000, pay interest semi-annually on june 30 and december 31, and have a call price of 101. herman uses the straight-line method

asked by debbie on November 10, 2010
83. ## Finance - Capital Budgeting/Bid Price

We have been requested by a large retailer to submit a bid for a new point-of-sale credit checking system. The system would be installed, by us, in 89 stores per year for three years. We would need to purchase \$1,300,000 worth of specialized equipment.

asked by Jess on December 1, 2013

A student is asked to standardize a solution of barium hydroxide. He weighs out 0.945 g potassium hydrogen phthalate (KHC8H4O4, treat this as a monoprotic acid). It requires 33.9 mL of barium hydroxide to reach the endpoint. A. What is the molarity of the

asked by Hannah on November 20, 2011
85. ## Priciples of Marketing

Jose suarez has been promoted to sales manager at a new firm and is trying to come up with a salesforce compensation method. He would like to have selling expenses relate directly to sales resources, a highly aggressive sales force, and minimization of

asked by Stumped on May 11, 2013
86. ## Chemistry

Robin the Research scientist prepares 100 mLs of a solution of 100 mM of Tris HCl. What is the pH? I am confused since we do not know the conjugate base concentration so how to solve for the pH

asked by Aarya Singh on January 31, 2017
87. ## calculus

Use the Intermediate Value Theorem to prove that the equation has a solution. Then use a graphing calculator or computer grapher to solve the equation. 2x^3-2x^2-2x+1=0 i am completely lost & have no idea where to start.

asked by Kelly on February 3, 2011
88. ## Chemistry

Sacchirin is a monoprotic acid. If the pH of a 1.50x10^-2M solution of this acid is 5.53, what is the Ka of saccharin? (the answer is 5.8x10^-10) I know we're supposed to use the Henderson Hasselbach equation to solve for the [H+] from pH, but what's next?

asked by howie on May 27, 2008
89. ## AP CHEMISTRY

30.0 mL of 0.10 M Ca(NO3)2 and 15.0 mL of 0.20 M Na3PO4 solutions are mixed. After the reaction is complete, which of these ions has the lowest concentration in the final solution? A) Na+ B) NO3- C) Ca+2 D) PO4-3 Answer is C.. How do you solve it though?!

asked by Ash on April 3, 2013
90. ## Beth/225

Research Methods Matrix A psychologist is planning to conduct a study that would examine pathological liars and the quality of their romantic relationships. You have been asked to provide the psychologist with a recommendation for which research method

asked by Anonymous on October 9, 2009
91. ## English Essay:NCLB

can some proofread my paragraph it is for a persuasive essay? Please,Thank You!! Is Education system taking the risk for students learning? Is the capital that we have been giving helping students to improve their performance in schools ? What can be done

asked by Stressed on April 21, 2012
92. ## Socials-Ms. Sue

I decided to expand my previous answer A transformation system can help or hinder industrialization because well, with a highly developed transformation system you can produce products in better working conditions. It would be much easier to transport

asked by Sara on November 23, 2009
93. ## Math probability

Suppose x is random variable with normal distribution (u,sigma^2) distribution and p(x

asked by Star on June 20, 2018
94. ## math

In a recent survey, it was determined that 1 out of 500 people had more then 6 siblings, based on this statistic what percent of people have more than 6 siblings? Please show me how to solve this!!!

asked by kevin on February 20, 2013
95. ## Algebra 2(graphing)

Solve 2x^2=3x+2 by graphing. If exact roots can't be found, state the consecutive integers between which the roots are located. Can you show how to do this step by step?

asked by Chels on November 6, 2007
96. ## Maths

Solve and show workings 3√/9 *27√ It's supose to be the square root of 3 over 9 time the quare root of 27. i know the answer is 1 however i don't know how to get that answer. Any help would be appriciated. Thanks

asked by Nat on February 16, 2014
97. ## math

graph the equation by plotting the points: 35-5y=0 i know how to put the solutions on the graph. i am stuck on this equation. i think x=0 but i can not figure for y. please help me and show me the steps to solve this.

asked by barb on August 19, 2010
98. ## Algebra 1

Factor the expression. 27w^2-12 I don't have an answer, I don't understand the steps can someone show me the correct steps for this problem, and then I can solve it?

asked by I'm an Acorn on April 4, 2017
99. ## Algebra

Can somebody please help me with solving this and show steps if they can. Solve the equation. Check for extraneous solutions. 9|9-8X|=2X+3 For my answer I got X=-1 I divided by 9 on both sides I got 8X=2X-6 Then I divided by 6 on both sides and got X=-1

asked by Shay on November 16, 2016
100. ## Algebra 1

Christopher orders a 3 topping pizza for \$15.25 and a 5 topping pizza for \$17.75. Write and solve a system of linear equations to find the price of a plain pizza( no toppings) and the cost of each topping.

asked by janet on November 14, 2012