# 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 164
1. ## Math Algebra 2

Help please. I know how to compute for the rest mass but how can you solve this problem. Solve for v in m = m0/(sqrt of 1 - (v^2/c^2)

asked by Anonymous on April 4, 2016
2. ## Math

1. x/y=a/b ; solve for Y. Does anyone know how to solve this? I believe you gotta cross multiply but I'm lost from there. any help would be great. Thank you!

asked by Tim on March 7, 2016
3. ## math

can someone solve these for me? -3x - 9 > 12 4 - x >= -10 x + 3/4 >= 1/2 -2x > 10 To solve, treat inequalities just as you would equations. For example, -2x>10 -2x/-2>10/-2 x>-5 I hope this helps. Thanks for asking.

asked by mike on May 29, 2007
4. ## Math

5x - 4y =-3 Y = -3x + 5 Solve for x and y How do we solve for x and y when the formats of the equations are different. That's we here I'm lost. When I try to get the answer I get confused

asked by Jackie on February 2, 2017
5. ## Algebra

Please how I solve this equation giving the domain of -3 I know that i have to replace the -3 where the x is but I do not know how to solve with the fraction. Thank you. -2x+1/3y=4

asked by Anonymous on September 22, 2016
6. ## math

Solve the equation. 5 1 -4 2 -3 -5 X= 5 7 2 -6 2 5 The numbers are supposed to be matrices. I'm not sure how I would solve the problem

asked by Anonymous on October 30, 2013
7. ## math

can someone solve this h/2 > 12 Treat the inequality just like an equation and solve. I hope this helps. Thanks for asking.

asked by mike on May 29, 2007
8. ## algebra2

Solve the matrix equation: 4 -5 m 32 1 2 * n = -5 if you meant this │4-5│ │m│ │1 2│ │n│ = │23│ │-5│ then this would result in the following two equations. 4m-5n=32 m+2n=-5 solve these for m and n, I got m=3 and n=-4

asked by anonymous on August 3, 2007
9. ## Math

(x-3) is a factor of x^3+ax^2+bx-3 but when divided by x+2 the remainder is 15 Solve for A and B I know that A is 1 and B is -11, but I don't understand how to solve it

asked by Kevin on October 11, 2012

x/3-2/3=1/x *Solve the rational below. I really need help. Multiply through by 3x x^2 -2x = 3 And solve. I don't get it... can you explain it more.then I can help you Margie

asked by Margie on March 4, 2007
11. ## math

72 is what percent of 480? Write and solve an equation to solve the problem

asked by alex on November 29, 2012
12. ## Help help help!!!!!!!!!

Simplify 18. -(-4)+3= Solve equations of the form x+a=b solve 26. 6.3=t+2.9 30. -8=14+(d+-6) 32. 312.9+163.4+b 34. - 11/5+w=-4/5 Thank You very much!!!

asked by Alex on December 9, 2007
13. ## Algebra

Please how I solve this equation giving the domain of -3 I know that i have to replace the -3 where the x is but I do not know how to solve with the fraction. Thank you. -2x+1/3y=4

asked by Martha on September 22, 2016
14. ## Math

How do you write an equation to solve for x when you have a rectangle that is 7 for height and 3x - 2 on length and how do you solve for x?

asked by SAm on September 26, 2013
15. ## Algebra 1

solve 3y+6x+3=9+6x. Would you be so kind to help me solve this problem so that I can understand the steps? Thank you kindly.

asked by Esther on January 22, 2011
16. ## Math Algebra 2

Help please. I know how to compute for the rest mass but how can you solve this problem. Solve for v in m = m0/(sqrt of 1 - (v^2/c^2)

asked by Anonymous on April 4, 2016
17. ## Chemistry

3.a solution has 64 grams of HI dissolved in 250 L of water. what is its [H+] 4. What is the pH of the solution in question #3? 5. A solution has 189 grams of HNO3 dissolved in 1000 L of water. What is pH?

asked by Emma on February 25, 2014
18. ## Alg 1

The popultion of Medford High is 800 students & the population of WEstville High is 1240 students. Medfords pop. has been increasing by 30 students per year, while westville has been decreasing by 25 students per year. In how many yearas will the

asked by Casey on March 9, 2011
19. ## Metric System

I have two queations that have to do with the metric system: 1- What connections can you identify between the metric units for length and volume? 2- Why is it difficult to convert miles to yrads or feet? Thanks in advance for your help! 1- What connections

asked by Olivia on August 18, 2005
20. ## math

asked by starie johnn on December 18, 2014
21. ## chemistry

5. Compound A has a MW of 283. 0.423g of Compound A is dissolved in 13.5mL of water and 1mL of the solution added to 5mL of water to produce “solution A”. What is the concentration of Compound A in “solution A”?

asked by jenny on December 8, 2011
22. ## science

Compound A has a MW of 283. 0.423g of Compound A is dissolved in 13.5mL of water and 1mL of the solution added to 5mL of water to produce “solution A”. What is the concentration of Compound A in “solution A”?

asked by jake on December 9, 2011
23. ## Chemistry II

If 15.0 mL of 1.2e-4 mol/L HI is added to 26.0 mL of 9.2e-4 mol/L HI, what is the pH of the solution? M x L = mols. Calculate mols for solution 1, do the same for solution 2, add mols together and divide by total liters. That will be the new molarity. Then

asked by Jayd on April 24, 2007
24. ## Chemistry

0.0020 mole of HCl is dossolved in water to make a 2000ml solution. Calculate the molarity of the HCl solution, the H30, and the pH. The H30 is the same as the molarity of the HCl solution.

asked by Susie on December 1, 2010
25. ## maths

A company hires skilled employees, each working under contract to 35h and paid € 550 a week, others working under contract B 20h and paid € 220 per week. 1. These employees will have to make a total of 370h of work per week and the entrepreneur has a

asked by Lee on January 4, 2012
26. ## physics

Guy has to get a piano onto a 2.4 m high platform. He can use a 3.0 m long frictionless ramp or a 4.0 m long frictionless ramp. Which ramp will Guy use if he wants to do the least amount of work? Either ramp as the work done is same in both cases. The

asked by mathew on February 10, 2015
27. ## Chemistry

I've been given the Volume of Concentrated NaOh solution (mL) and also the Concentration of Concentrated NaOh solution (M). I also have the volume of stock solution after dilution (mL). The question is asking the approximate concentration of stock solution

asked by Vanessa on October 31, 2008
28. ## Chemistry

Equal volumes of 1 M BaCl2 and 1 M NaSO4 are mixed. What effect will the addition of more Na2SO4 solution have on the concentration of Ba^2+ remaining in solution? *No effect *increase the concentration of Ba^2+ ions *Decreases the concentration of Ba^2+

asked by LT on April 14, 2008
29. ## Calculus

Use the method of cylindrical shells to find the volume V generated by rotating the region bounded by the? Use the method of cylindrical shells to find the volume V generated by rotating the region bounded by the given curves about y = 8. 27y = x^3, y = 0,

asked by John on January 31, 2012
30. ## Chemistry

1) The formation of water is represented by the following equation : 2H2(g) + O2(g) -> 2H2O(g) a.What is the limiting reactant if 4 mol of oxygen reacts with 16 mol of hydrogen? b.What amount (in moles) of water is produced in this reaction? 2) . Sliver

asked by IMPO QUESTION on December 19, 2012
31. ## Chemistry-DrBob222

A certain compound contains carbon, hydrogen , and oxygen. When 1.00 grams of this compound are burned in oxygen gas 1.47 grams of CO2 and 0.600 grams of water are formed. When 2.75 grams of the compound are dissolved in 10.0 grams of water the resulting

asked by Patrick on January 17, 2011

Just made it a new post didn't what it to get overcrowning.I hope this will help us figure out now For questions #1 through #10, refer to the following equilibrium system, with a Kc of 1.23E-03: C3H6O (aq) + 2C2H6O(aq)----> C7H16O2 (aq) + 2H2O (l) 1. What

asked by cateye on April 23, 2012
33. ## algebra1

graph the system of inequalities, and classify the figure created bu the solution region. y¡Ü4x+4 y¡Ü-0.25x+4 y¡Ý4x-1 y¡Ý-0.25x-1 a)the shaded region is a plane minus a rectangle b)there is no region common to all four inequalities c)the shaded

asked by jenika on May 17, 2012
34. ## algebra1

graph the system of inequalities, and classify the figure created bu the solution region. y¡Ü4x+4 y¡Ü-0.25x+4 y¡Ý4x-1 y¡Ý-0.25x-1 a)the shaded region is a plane minus a rectangle b)there is no region common to all four inequalities c)the shaded

asked by jenika on May 17, 2012
35. ## Math

Please show me how to solve the following problem: The ocncession stand is selling hot dogs and hamburger during the game. At half-time,they sold a total of 78 hamburgers and hot dogs and brought in \$105.50. How many of each item did they sell if

asked by Jane on December 26, 2011
36. ## Physics

Automotive engineers refer to the time rate of change of acceleration as the "jerk." Assume an object moves in one dimension such that its jerk J is constant. (a) Determine expressions for its acceleration ax(t), velocity vx(t), and position x(t), given

asked by Lorine on September 10, 2014
37. ## Physics

I know I need to show my work but the problem is that I don't even know where to begin. I am taking an online physics class with a teacher that is not willing to help. So any guidance would be much appreciated. Consider the two vectors: F1: (220N, 41°),

asked by anonymous on August 30, 2014
38. ## physical science

The heating elements of an electric toaster is typically made of nichrome wire (an alloy of nickel and chromium). As current passes through the wires, the wires heat up, thus toasting the toast. Estimate the overall resistance of a heating element which is

asked by michelle on February 17, 2017
39. ## Mole fraction of a vapor pressure?

If 0.380 mol of a nonvolatile nonelectrolyte are dissolved in 3.00 mol of water, what is the vapor pressure P(H2O) of the resulting solution? The vapor pressure of pure water is 23.8 torr at 25 C. I got this answer correct: 21.1 torr A solution is composed

asked by Sar on September 2, 2010
40. ## college

1. Critically evaluate the job analysis that Mary conducted for the position of assistant manager. Has she used appropriate methods? What are the strengths and weaknesses of her efforts? 2. What kind of factors about Today's Fashion and its operations

asked by Anonymous on June 6, 2011
41. ## human resource management

1. Critically evaluate the job analysis that Mary conducted for the position of assistant manager. Has she used appropriate methods? What are the strengths and weaknesses of her efforts? 2. What kind of factors about Today's Fashion and its operations

asked by tim on May 25, 2011
42. ## physics

Leon’s bicycle wheels have a circumference of 2 m. What is his linear speed when the wheels rotate at 1 revolution per second? Show all work leading to your answer. The wheel doesn't slip on the ground so the ground goes by at the same rate that a point

asked by Ciara on April 5, 2015
43. ## physics

Suppose the stone is thrown at an angle of 40.0° below the horizontal from the same building (h = 42.0m) as in the example above. If it strikes the ground 36.7 m away, find the following. (Hint: For part (a), use the equation for the x-displacement to

asked by mike on May 20, 2016
44. ## Math

What is the difference between an equation and an expression? Include an example of each. Can you solve for a variable in an expression? Explain. Can you solve for a variable in an equation? Explain. Write a mathematical phrase or sentence for your

asked by scooby9132002 on May 5, 2009
45. ## chemistry

If you pass 10.0mL of a 50.0mL solution of [Co(en)2Cl2]Cl that has been reduced with Zn through a cation exchange column, you will obtain a solution that has three H+ ions for every Co3+ ion that was originally present in the sample. These H+ ions are

asked by xx on October 26, 2014
46. ## Math

1. ABC Feeds has two different types of cattle feed containing crude protein in the amount of 45% and 20% respectively. How many of each type must a feed lot manager mix together to obtain 10 000lbs of a mixture that is 25% protein? 2. Meg has a solution

asked by McKenna Louise on January 26, 2014
47. ## CJ

The text mentions that the federal government and the individual states share government powers related to the criminal justice system. How do you feel power should be distributed between state and federal systems? Explain your rationale. How would this

asked by mama boo on March 19, 2009
48. ## physics

A 0.02kg bullet is fired at a 3.5kg block which is initially at rest on a table. The bullet embeds in the block. Friction converts the 24.02J of kinetic energy to heat and brings the block and bullet system to stop. How fast was the bullet and block system

asked by ChrismB on June 4, 2016
49. ## Dynamics of Rigid Bodies

The system of blocks A and B and two pulleys C and D is assembled as shown in the figure. Neglecting friction in and the mass of the pulleys, and assuming that the whole system is initially at rest, determine the acceleration of block A. The coefficient of

asked by Anonymous on April 10, 2013
50. ## physics

A 0.02kg bullet is fired at a 3.5kg block which is initially at resr on a table. The bullet embeds in the block. Friction converts the 24.02J of kinetic energy to heat and brings the block and bullet system to stop. How fast was the bullet and block system

asked by ChrismB on June 5, 2016
51. ## math

a wild preserve can support no more than 250 gorillas. how long will it take for the gorilla population to reach the carrying capacity of the preserve dp/dt = 0.0004P(250-P) and p = (250)/(1+7.929e^-.1t) show that the function is a solution of a logistic

asked by todi on February 12, 2008
52. ## Math

Please can someone show me the steps to do this problem?? Also, please don't tell me to just google the solution because I've already tried and have tried to do this problem by myself for hours now...Thank you so much. You are measuring trees in a forest.

asked by Lily on August 19, 2011
53. ## Math

Please can someone show me the steps to do this problem?? Also, please don't tell me to just google the solution because I've already tried and have tried to do this problem by myself for hours now...Thank you so much. You are measuring trees in a forest.

asked by Lily on August 19, 2011
54. ## algebra

In the magic square shown (I'll type it out), the sum of the numbers in each row, column, and diagonal are the same. Five of these numbers are represented by v,w,x,y, and z. Find y + z. Here's what the magic square looked like. I'll type semi-colons to

asked by Anneliese on February 25, 2009
55. ## chemistry

Would the following procedural errors result in an incorrectly high or low calculated percent NaOCl in commercial bleach solution? A student failed to allow the volumetric pipet to drain completely when transferring the diluted bleaching solution to the

asked by Brooke on April 1, 2013
56. ## chemistry

Would the following procedural errors result in an incorrectly high or low calculated percent NaOCl in commercial bleach solution? A student failed to allow the volumetric pipet to drain completely when transferring the diluted bleaching solution to the

asked by Brooke on April 2, 2013
57. ## Chemistry

Iodine clock reaction If the thiosulfate ion solution was omitted what would appear in the solution? I know that once the thiosulfate ion is responsible and exhaubated the reaction rate stops and iodine is presented in the color blue. In that case, if

58. ## physics

how would i solve this? A sled is dragged along a horizontal path at a constant speed of 1.5 m/s by a rope that is inclined at an angle of 30.0° with respect to the horizontal (the figure below). The total weight of the sled is 470 N. The tension in the

asked by jess on April 4, 2010
59. ## Chemistry (Check)

Completion 1)Metric 2)Five 3)Meter 4) 5)Weight The International System of Units (SI) is a revision of the ___1____ system. There are __2____ SI base units. In SI, the base unit of length is the ___3____. The Space taken up by a cube that is 10cm on each

asked by Bryan on January 18, 2007
60. ## Physics

You drop a 1.60 kg book to a friend who stands on the ground at distance D = 12.0 m below. If your friend's outstretched hands are at distance d = 1.40 m above the ground (see the figure), (a) how much work Wg does the gravitational force do on the book as

asked by Ariana on April 7, 2013
61. ## Computer Science

Write a function called myReplace() that performs a task similar to the string.replace() method. This function should take three parameters: The first, called the content string, can be any string. The second, called the token, should be a string

asked by Anonymous on October 22, 2015
62. ## Science

I am reviewing for a test and I don't know how to attempt this question. Could someone please work through this problem and then have the general steps that I need to take to solve the question? Here is the question: A rocket expels gases at a rate of 1.30

asked by Baxter Reus on February 9, 2015

A worker pushes a 820 N crate with a horizontal force of 345 N a distance of 24 m. Assume the coefficient of kinetic frictin between the crate and the floor is 0.22. a) How much work is done by the worker on the crate? b) How much work is done by the

asked by Alecia on December 9, 2010
64. ## juvenile justice

Now that you understand the historical background of the juvenile justice system, consider issues facing the juvenile court system today, and appraise the efficacy of juvenile justice policy in our modern society. What are the major differences? Do you

asked by jessie on January 12, 2010
65. ## algebra, logarithms

Evaluate the exponential equation for three positive values of x, three negative values of x, and at x=0. Transform the second expression into the equivalent logarithmic equation; and evaluate the logarithmic equation for three values of x that are greater

asked by Renee' on September 11, 2010

if a rocket is launched straight up into the air with an initial velocity of 112 feet per second, it's height after t seconds is given by the formula h = 112t - 16t, where x represents the height of the rocket in feet: A. When will the rocket reach it's

asked by Jay on April 8, 2015
67. ## AP Physics

Two blocks are connected by a string over a frictionless, massless pulley such that one is resting on an inclined plane and the other is hanging over the top edge of the plane. The hanging block has a mass of 16 kg and the one on the plane has a mass of 8

asked by Brianna on October 15, 2015
68. ## math

Evaluate the exponential equation for three positive values of x, three negative values of x, and at x=0. Transform the second expression into the equivalent logarithmic equation; and evaluate the logarithmic equation for three values of x that are greater

asked by Marlee on September 10, 2010
69. ## Physical Science

An ultrasonic wave in water is a compression wave that travels at 1,400 m/s A) An ultrasonic wave from a ship travels to the bottom of a lake and back in 0.16s. How deep is it at this point? B) If an ultrasonic wave is emitted in the ocean where the

asked by Charles on March 2, 2014
70. ## math

Question: Farmer Brown needs to fertilize his hay pasture before spring arrives. He knows that the perimeter of his pasture is 1000 feet and that the width is 200 feet. If one bag of fertilizer will cover 5000 square feet, how many bags of fertilizer does

asked by amy felton on May 22, 2019
71. ## Chemistry

In the qualitative analysis scheme, magnesium and nickel precipitate from solution upon the addition of sodium hydroxide. Once separated from the remaining cations by filtration or decanting, the solid mixture is acidified and warmed to dissolve magnesium

asked by Ashley on November 17, 2016
72. ## Math Word Problem %

lisa spend 3 hours driving to and from work each work day. what percent of her day does she spend driving to and from work each work day?

asked by andra on May 8, 2014
73. ## phy

A 290 kg piano slides 4.6 m down a 30° incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction is 0.40. (a) Calculate the force exerted by the man. N (b) Calculate the

asked by mas on September 25, 2010
74. ## Physics

Block A, with a mass of 10 kg, rests on a 36.9° incline. It is attached to a string that is parallel to the incline and passes over a massless, frictionless pulley at the top. Block B, also with a mass of 10 kg, is attached to the dangling end of the

asked by ANON on November 27, 2016
75. ## Calc 1

Find the limit. Use l'Hospital's Rule if appropriate. If there is a more elementary method, consider using it. lim x→∞ x^7e^−x^6 Find the limit. Use l'Hospital's Rule if appropriate. If there is a more elementary method, consider using it. lim

asked by TayB on April 20, 2015
76. ## chemistry

A solution of HCI has a density of 1.18 g/ml and is 36% (m/m). what is the molarity and molality of this solution? Assume 100g solution. Then the solute is 36 grams. Figure the moles for that. Then, you know density, so you can compute volume

asked by nancy on March 15, 2007
77. ## writing for the web

Question 1 This step in planning a Web project involves learning about HTML text editors, the original tools for creating Web pages. Choose a method for creating HTML pages. Gather your materials. Storyboard your pages. Choose a single-page or a multi-page

asked by Christopher on April 29, 2010
78. ## java programming

Provide a class called Letter for authoring a simple letter. The letter class has three data fields, the name of the sender, the name of the recipient, a body of the letter. 1. Supply the class constructors (default , and overloaded ) 2. Supply a method.

asked by JJ on January 20, 2011
79. ## physical chemistry

A solution is prepared by adding 1g of sugar mannitol (MW 182.2g/g-mole) in 100g of water at 20◦C. (a) Assuming that mannitol and water form an ideal solution, what is the equilibrium vapor pressure of solution? The vapor pressure of pure water is

asked by JP on December 3, 2014
80. ## O- chemistry

During a recrystalliztion experiment, a student allows the hot solution to cool to room temperature, then chills the solution in an ice bath. Is the student using correct recrystallization technique? Why does the student not simply chill the hot solution

asked by David on September 29, 2008
81. ## Chemistry

the solubility of aspartic acid in water is .500 g in 100 mL at 25 degrees C. If .251 g of aspartic acid is dissolved in 50. mL of water at 50 degrees C and let solution cool to 25 degrees C. is the solution supersaturated, saturated, or unsaturated. the

asked by Nicole on November 25, 2016

1.Jesse wants to see a context diagram and a diagram 0 DFD for TIMS. Be sure to include at least four processes in the diagram 0 DFD. 2.Jesse would also like to see a lower-level diagram for each of the four processes that you identify in diagram 0. You

asked by lacour on November 23, 2008
83. ## Algebra1 Word Problem HELP#2

Part A: Explain why the x-coordinates of the points where the graphs of the equations y = 2^x and y = 4^x−2 intersect are the solutions of the equation 2^x = 4^x−2. (4 points) Part B: Make tables to find the solution to 2^x = 4^x−2. Take the integer

asked by Tony K on July 30, 2017
84. ## Technology: ms.sue, bobpursley

24. From a technological viewpoint, explain why farming has gotten less labor intensive over the last hundred years. You two helped me on this yesterday, and I combined your answers and added my own to it. Please let me know if it is okay. 24. Farming has

asked by y912f on April 8, 2010
85. ## american civil war

i need some help quick, please help!!! 1)what did cone-shape shells replaced in the civil war? 2)what were the states that threatened to sedede from the CONFEDERACY called? 3)what was the method by which Confederacy raised money from farmers during the

asked by natn on April 2, 2007
86. ## chemistry

200cm^3 of 1.0 mol dm^-3 sulphuric acid,H2SO4 is poured into a 250 cm^3 volumetric flask.Distilled water is then added to make 250 cm^3 of solution. (a)What is the molarity of the diluted acid solution? (b)What is the volume of 1.6 mol dm^-3 sodium

asked by mandy on May 7, 2014
87. ## chemistry

What will be the amount of para-nitrophenol (PNP) in solution if 454.9 mL of 2.15 *10-2 M PNP solution is mixed with 92.7 mL of water? Report the amount in millimoles. Hint: do not confuse amount and concentration. I have not had chemistry in a long time

asked by sean on September 12, 2018
88. ## math(urgent)

Mary invested \$30,000 in two accounts some at 12% per annum and the rest at 8% per annum. Her total interest for one years was \$ 3200.How much was invested at each rate ? solution : \$3200=P1 (0.12)(1)+ (3000-P1)(0.08)(1) P1= ? P2= 30000-P1 ? HOW to solve

asked by fizz on May 16, 2014
89. ## math

can someone help me figure these literal equation out? I did them before but my teacher said they were incorrect. Questions~~ Solve the following formula for the variable indicated 9. r = d/t, where r = rate, d = distance, and t = time for d ( I didn’t

asked by Abby on September 28, 2015
90. ## Chemistry

The spectrophometer was used to measure the absorbance of each of a series of [FeSa]+ solutions. A standard curve was construnceted by plotting the absorbance vs. concentration (M). The slope and y-intercept were found to be 1496 M-1 and .003,

asked by Erin on April 2, 2017
91. ## Chemistry

You make 1.00 L of a buffered solution (pH = 5.10) by mixing propanoic acid and potassium propanoate. You have 1.00 M solutions of each component of the buffered solution. What volume of each solution do you mix to make such a buffered solution? propanoic

asked by Margaret on March 13, 2013
92. ## Algebra

Totally lost here! Evaluate the exponential equation for three positive values of x, three negative values of x, and at x=0. Transform the second expression into the equivalent logarithmic equation; and evaluate the logarithmic equation for three values of

asked by Ally on June 19, 2010
93. ## Calc

A line tangent to y=(x^2)+1 at x=a, a>0, intersects the x-axis at point P. a) Write an expression for the area of the triangle formed by the tangent line, the x-axis, and the line x=a. b) For what value of 'a' is the area of the triangle a minimum? Justify

asked by Michael on February 20, 2008
94. ## Chemistry

In a previous experiment, 0.800 g of the green complex iron salt was placed in an Erlenmeyer flask and heated with concentrated sulfuric acid until all oxalate ion was destroyed (CO2, SO2 and H2O are formed). Ferric ion (Fe3+) remained in solution and was

asked by Sam on July 12, 2010
95. ## Mathxxx!!!

1. How many solutions does the equation have? 4x+3=2(2x+9) a.one solution b.no solution c. infinite number of solutions d. impossible to determine 2. How many solutions does the equation have? 4x+19=-9-6x a.one solution b.no solution c. infinite number of

asked by Anonomys on December 8, 2015
96. ## Precalculus

"Show that x^6 - 7x^3 - 8 = 0 has a quadratic form. Then find the two real roots and the four imaginary roots of this equation." I used synthetic division to get the real roots 2 and -1, but I can't figure out how to get the imaginary roots. I checked

asked by Emily on September 20, 2009
97. ## math

Wyatt and Allyson were asked to solve a percent problem using the numbers 13 and 38. Wyatt found 13% of 38 and Allyson found 38% of 13. Explain why they both got the same answer. Would this work for other numbers as well? Why or why not?

asked by Betsy on February 12, 2013
98. ## algebra

wyatt and allyson were asked to solve a percent broblem using the numbers 13 and 38. wyatt found 13% of 38 and allyson found 38% of 13. explain why they both got the same answer. would this work for other numbers as well? why or why not

asked by pam on January 4, 2012
99. ## Statistics

data from sample of 400 cases, variable has 95% confidence interval of 54.3 to 54.7 I found the mean- how do i find standard error- step by step please. Standard error = sd/√n Note: sd = standard deviation; n = sample size. You'll need to determine the

asked by Angel on April 10, 2007